/* ==========================================================================
   RollCall Student Portal - Modern Enterprise Design System
   ========================================================================== */

:root {
    --sp-primary: #6366f1;
    --sp-primary-hover: #4f46e5;
    --sp-primary-light: #e0e7ff;
    --sp-primary-gradient: #4f46e5;
    --sp-accent-gradient: #0ea5e9;
    --sp-card-gradient: #ffffff;
    --sp-surface-gradient: #f8fafc;
    
    --sp-success: #10b981;
    --sp-success-light: #d1fae5;
    --sp-warning: #f59e0b;
    --sp-warning-light: #fef3c7;
    --sp-danger: #ef4444;
    --sp-danger-light: #fee2e2;
    --sp-info: #0ea5e9;
    --sp-info-light: #e0f2fe;

    --sp-bg-main: #f8fafc;
    --sp-bg-card: #ffffff;
    --sp-bg-card-hover: #f1f5f9;
    --sp-border: #e2e8f0;
    --sp-border-subtle: #f1f5f9;
    
    --sp-text-main: #0f172a;
    --sp-text-muted: #64748b;
    --sp-text-subtle: #94a3b8;
    --sp-text-inverted: #ffffff;

    --sp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --sp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --sp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --sp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --sp-shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
    
    --sp-radius-sm: 8px;
    --sp-radius-md: 12px;
    --sp-radius-lg: 16px;
    --sp-radius-xl: 24px;
    --sp-radius-full: 9999px;
    --sp-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --sp-bg-main: #0b0f19;
    --sp-bg-card: #131a29;
    --sp-bg-card-hover: #1c2538;
    --sp-border: #222f46;
    --sp-border-subtle: #192334;
    --sp-text-main: #f8fafc;
    --sp-text-muted: #94a3b8;
    --sp-text-subtle: #64748b;
    --sp-primary-light: rgba(99, 102, 241, 0.2);
    --sp-success-light: rgba(16, 185, 129, 0.2);
    --sp-warning-light: rgba(245, 158, 11, 0.2);
    --sp-danger-light: rgba(239, 68, 68, 0.2);
    --sp-card-gradient: #131a29;
    --sp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --sp-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
    --sp-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.6);
}

[data-theme="ocean"] {
    --sp-primary: #0284c7;
    --sp-primary-hover: #0369a1;
    --sp-primary-light: #e0f2fe;
    --sp-primary-gradient: #0284c7;
    --sp-bg-main: #091a28;
    --sp-bg-card: #0f273c;
    --sp-bg-card-hover: #163653;
    --sp-border: #1d4364;
    --sp-text-main: #f0f9ff;
    --sp-text-muted: #7dd3fc;
}

[data-theme="sunset"] {
    --sp-primary: #ea580c;
    --sp-primary-hover: #c2410c;
    --sp-primary-light: #ffedd5;
    --sp-primary-gradient: #ea580c;
    --sp-bg-main: #181112;
    --sp-bg-card: #25181b;
    --sp-bg-card-hover: #332025;
    --sp-border: #442a30;
    --sp-text-main: #fff1f2;
    --sp-text-muted: #fda4af;
}

/* Base resets & typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--sp-bg-main);
    color: var(--sp-text-main);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Modern Dashboard Shell
   ========================================================================== */
.student-portal-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--sp-surface-gradient), var(--sp-bg-main);
}

/* Top App Header */
.container {
    height: auto !important;
    min-height: 100vh !important;
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

#attendance-section {
    height: auto !important;
    min-height: 100vh !important;
    display: flex !important;
    flex-direction: column !important;
}

#attendance-section.hidden,
#login-section.hidden,
.student-auth-viewport.hidden,
#register-section.hidden,
.hidden {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    max-height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

body:has(#login-section:not(.hidden)) {
    overflow: hidden !important;
    height: 100vh !important;
    max-height: 100vh !important;
}

.portal-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--sp-border);
    transition: var(--sp-transition);
}

[data-theme="dark"] .portal-topbar,
[data-theme="ocean"] .portal-topbar,
[data-theme="sunset"] .portal-topbar {
    background: rgba(19, 26, 41, 0.85);
}

.topbar-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--sp-text-main);
}

.portal-brand-logo {
    width: 42px;
    height: 42px;
    border-radius: var(--sp-radius-md);
    background: var(--sp-primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: var(--sp-shadow-glow);
}

.portal-brand-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.portal-brand-tagline {
    font-size: 0.75rem;
    color: var(--sp-text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.live-pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sp-success);
    box-shadow: 0 0 8px var(--sp-success);
    display: inline-block;
    animation: livePulse 2s infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* Topbar Center (Live Time & Status) */
.topbar-center {
    display: flex;
    align-items: center;
    gap: 16px;
}

.clock-ticker {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    padding: 6px 14px;
    border-radius: var(--sp-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sp-text-main);
    box-shadow: var(--sp-shadow-sm);
}

.clock-ticker i {
    color: var(--sp-primary);
}

/* Topbar Right Controls */
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--sp-radius-md);
    border: 1px solid var(--sp-border);
    background: var(--sp-bg-card);
    color: var(--sp-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: var(--sp-transition);
}

.topbar-btn:hover {
    background: var(--sp-bg-card-hover);
    border-color: var(--sp-primary);
    transform: translateY(-1px);
    box-shadow: var(--sp-shadow-sm);
}

.topbar-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--sp-danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: var(--sp-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 2px solid var(--sp-bg-card);
}

/* Student Profile Chip */
.student-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 4px;
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-full);
    cursor: pointer;
    transition: var(--sp-transition);
}

.student-chip:hover {
    border-color: var(--sp-primary);
    box-shadow: var(--sp-shadow-sm);
}

.student-chip-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--sp-primary);
}

.student-chip-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.student-chip-name {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.1;
}

.student-chip-roll {
    font-size: 0.7rem;
    color: var(--sp-text-muted);
}

.logout-topbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--sp-danger-light);
    color: var(--sp-danger);
    border: 1px solid transparent;
    border-radius: var(--sp-radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sp-transition);
}

.logout-topbar-btn:hover {
    background: var(--sp-danger);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* ==========================================================================
   Navigation Tabs Bar (No Popups!)
   ========================================================================== */
/* Segmented Pill Tabs Bar */
.portal-nav-strip {
    background: var(--sp-bg-card);
    border-bottom: 1px solid var(--sp-border);
    padding: 10px 24px;
    overflow-x: auto;
    scrollbar-width: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.portal-nav-strip::-webkit-scrollbar {
    display: none;
}

.nav-tabs-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--sp-bg-main);
    padding: 6px 8px;
    border-radius: var(--sp-radius-lg);
    border: 1px solid var(--sp-border);
}

.nav-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: none;
    background: transparent;
    color: var(--sp-text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--sp-radius-md);
    transition: var(--sp-transition);
    white-space: nowrap;
}

.nav-tab-btn i {
    font-size: 0.95rem;
    color: var(--sp-text-subtle);
    transition: var(--sp-transition);
}

.nav-tab-btn:hover {
    color: var(--sp-text-main);
    background: var(--sp-bg-card);
    box-shadow: var(--sp-shadow-sm);
}

.nav-tab-btn:hover i {
    color: var(--sp-primary);
}

.nav-tab-btn.active {
    background: var(--sp-primary-gradient);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.nav-tab-btn.active i {
    color: #ffffff !important;
}

.nav-tab-badge {
    padding: 2px 7px;
    font-size: 0.7rem;
    border-radius: var(--sp-radius-full);
    background: rgba(255, 255, 255, 0.25);
    color: inherit;
    font-weight: 700;
}

/* Mobile Sidebar Elements (Hidden on Desktop) */
.mobile-sidebar-toggle,
.mobile-sidebar-backdrop,
.mobile-sidebar-drawer {
    display: none;
}

/* ==========================================================================
   Main Content Layout & Tab Panels
   ========================================================================== */
.portal-main-content {
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 28px 24px 60px 24px;
}

.student-tab-panel {
    display: none;
    animation: fadeInTab 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.student-tab-panel.active {
    display: block;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Hero Welcome Banner (Permanently Removed)
   ========================================================================== */
.hero-welcome-card {
    display: none !important;
}

/* ==========================================================================
   KPI Stats Grid (Compact, Sleek & Agile Footprint)
   ========================================================================== */
.stats-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    padding: 13px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: var(--sp-shadow-sm);
    transition: var(--sp-transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3.5px;
    background: var(--sp-primary);
    border-radius: var(--sp-radius-full) 0 0 var(--sp-radius-full);
}

.kpi-card.kpi-success::before { background: var(--sp-success); }
.kpi-card.kpi-warning::before { background: var(--sp-warning); }
.kpi-card.kpi-danger::before { background: var(--sp-danger); }
.kpi-card.kpi-info::before { background: var(--sp-info); }

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sp-shadow-md);
    border-color: var(--sp-primary);
}

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--sp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.kpi-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--sp-text-main);
    line-height: 1.15;
    margin-bottom: 2px;
}

.kpi-trend {
    font-size: 0.72rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
}

.trend-up { color: var(--sp-success); }
.trend-warning { color: var(--sp-warning); }
.trend-down { color: var(--sp-danger); }

.kpi-icon-wrap {
    width: 38px;
    height: 38px;
    border-radius: var(--sp-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.kpi-icon-wrap.purple { background: var(--sp-primary-light); color: var(--sp-primary); }
.kpi-icon-wrap.green { background: var(--sp-success-light); color: var(--sp-success); }
.kpi-icon-wrap.amber { background: var(--sp-warning-light); color: var(--sp-warning); }
.kpi-icon-wrap.blue { background: var(--sp-info-light); color: var(--sp-info); }

/* SVG Circular Gauge - Compact */
.circle-gauge-wrap {
    position: relative;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
}

.circle-gauge-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.gauge-bg-circle {
    fill: none;
    stroke: var(--sp-border);
    stroke-width: 5;
}

.gauge-val-circle {
    fill: none;
    stroke: var(--sp-primary);
    stroke-width: 5;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-in-out;
}

.gauge-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sp-text-main);
    font-family: 'Space Grotesk', sans-serif;
}

/* ==========================================================================
   Dashboard Main Split (Schedule & Activity)
   ========================================================================== */
.dashboard-grid-split {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 28px;
}

@media (max-width: 1024px) {
    .dashboard-grid-split {
        grid-template-columns: 1fr;
    }
}

.modern-panel {
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    box-shadow: var(--sp-shadow-sm);
    overflow: hidden;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--sp-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sp-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.panel-title i {
    color: var(--sp-primary);
}

.panel-action-btn {
    padding: 6px 12px;
    border-radius: var(--sp-radius-sm);
    border: 1px solid var(--sp-border);
    background: var(--sp-bg-card);
    color: var(--sp-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sp-transition);
}

.panel-action-btn:hover {
    color: var(--sp-primary);
    border-color: var(--sp-primary);
}

.panel-body {
    padding: 24px;
}

/* Timetable / Schedule Cards */
.schedule-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.schedule-card-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    transition: var(--sp-transition);
}

.schedule-card-item:hover {
    border-color: var(--sp-primary);
    transform: translateX(4px);
    background: var(--sp-bg-card);
    box-shadow: var(--sp-shadow-sm);
}

.schedule-card-item.active-now {
    border-color: var(--sp-primary);
    background: var(--sp-primary-light);
}

.schedule-time-box {
    min-width: 90px;
    display: flex;
    flex-direction: column;
}

.time-start {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--sp-text-main);
}

.time-end {
    font-size: 0.75rem;
    color: var(--sp-text-muted);
}

.schedule-details {
    flex: 1;
}

.subject-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sp-text-main);
    margin-bottom: 2px;
}

.teacher-room {
    font-size: 0.8rem;
    color: var(--sp-text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-tag {
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tag-present { background: var(--sp-success-light); color: var(--sp-success); }
.tag-upcoming { background: var(--sp-info-light); color: var(--sp-info); }
.tag-now { background: var(--sp-primary); color: #ffffff; animation: pulseGlow 2s infinite; }
.tag-absent { background: var(--sp-danger-light); color: var(--sp-danger); }

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 10px var(--sp-primary); }
    50% { box-shadow: 0 0 20px var(--sp-primary); }
}

.clickable-class-schedule-card {
    cursor: pointer;
    position: relative;
    user-select: none;
}

.clickable-class-schedule-card:hover {
    border-color: var(--sp-primary) !important;
    background: var(--sp-bg-card) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.16) !important;
}

.schedule-action-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.schedule-mark-attendance-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--sp-primary);
    background: var(--sp-primary-light);
    padding: 6px 12px;
    border-radius: var(--sp-radius-full);
    transition: var(--sp-transition);
}

.clickable-class-schedule-card:hover .schedule-mark-attendance-btn {
    background: var(--sp-primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.schedule-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: var(--sp-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.schedule-status-badge.present {
    background: var(--sp-success-light);
    color: var(--sp-success);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.schedule-status-badge.absent {
    background: var(--sp-danger-light);
    color: var(--sp-danger);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.schedule-status-badge.upcoming {
    background: var(--sp-info-light);
    color: var(--sp-info);
    border: 1px solid rgba(59, 130, 246, 0.35);
}

.schedule-card-item.attended-card {
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.03);
}

.schedule-card-item.absent-card {
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.03);
}

.schedule-card-item.upcoming-card {
    border-color: rgba(59, 130, 246, 0.35);
    background: rgba(59, 130, 246, 0.03);
}

.schedule-card-item.attended-card:hover,
.schedule-card-item.absent-card:hover,
.schedule-card-item.upcoming-card:hover {
    transform: none;
    box-shadow: none;
    cursor: default;
}

/* ==========================================================================
   Smart Mark Attendance Tab (Action Center - No Popups!)
   ========================================================================== */
.attendance-action-center {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 960px) {
    .attendance-action-center {
        grid-template-columns: 1fr;
    }
}

.action-card {
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    box-shadow: var(--sp-shadow-sm);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

/* Geofence Radar Card */
.radar-display-container {
    height: 180px;
    background: transparent;
    border: 1px dashed var(--sp-border);
    border-radius: var(--sp-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}

.radar-ping {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--sp-primary-light);
    border: 2px solid var(--sp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--sp-primary);
    position: relative;
}

.radar-ping::after {
    content: '';
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    border: 2px solid var(--sp-primary);
    opacity: 0.5;
    animation: radarRipple 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

@keyframes radarRipple {
    0% { transform: scale(0.6); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}

.radar-distance-metric {
    margin-top: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sp-text-main);
}

.radar-status-badge {
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Location GPS Coordinates Box (Overrides legacy CSS) */
.location-info {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    background: var(--sp-bg-main) !important;
    border: 1px solid var(--sp-border) !important;
    border-radius: var(--sp-radius-md) !important;
    padding: 12px 14px !important;
    margin: 0 0 16px 0 !important;
}

.location-info strong {
    border-bottom: none !important;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
    width: auto !important;
    font-size: 0.8rem !important;
    letter-spacing: normal !important;
    text-transform: none !important;
    color: var(--sp-text-muted) !important;
    font-weight: 600 !important;
    display: inline !important;
}

.location-info span {
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: var(--sp-text-main) !important;
    font-family: inherit !important;
}

/* Mode Switcher Buttons */
.verification-mode-pills {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.mode-pill {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    color: var(--sp-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--sp-transition);
}

.mode-pill:hover {
    border-color: var(--sp-primary);
    color: var(--sp-primary);
}

.mode-pill.active {
    background: var(--sp-primary);
    color: #ffffff;
    border-color: var(--sp-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Scanner Viewport */
.modern-scanner-box {
    position: relative;
    width: 100%;
    border-radius: var(--sp-radius-lg);
    overflow: hidden;
    background: #000000;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modern-scanner-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-crosshair {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--sp-radius-md);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.scanner-crosshair::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #00ffcc;
    box-shadow: 0 0 10px #00ffcc;
    animation: scannerLaser 2s ease-in-out infinite alternate;
}

@keyframes scannerLaser {
    0% { transform: translateY(0); }
    100% { transform: translateY(198px); }
}

/* ==========================================================================
   Full In-Line History & Attendance Log (Replaces #history-modal popup!)
   ========================================================================== */
.history-filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
}

.filter-group-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.history-select {
    padding: 8px 14px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    color: var(--sp-text-main);
    font-size: 0.9rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
}

.history-select:focus {
    border-color: var(--sp-primary);
}

.history-search-input {
    padding: 8px 14px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    color: var(--sp-text-main);
    font-size: 0.9rem;
    min-width: 220px;
}

.modern-table-wrap {
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    overflow-x: auto;
    box-shadow: var(--sp-shadow-sm);
}

.modern-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.modern-table th {
    background: var(--sp-bg-main);
    padding: 14px 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--sp-border);
}

.modern-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--sp-border-subtle);
    font-size: 0.9rem;
    color: var(--sp-text-main);
}

.modern-table tr:last-child td {
    border-bottom: none;
}

.modern-table tr:hover td {
    background: var(--sp-bg-card-hover);
}

/* ==========================================================================
   Analytics & Smart Bunk Calculator (Brand New Feature!)
   ========================================================================== */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 28px;
}

@media (max-width: 960px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

.bunk-calculator-box {
    background: var(--sp-card-gradient);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    padding: 24px;
    box-shadow: var(--sp-shadow-sm);
}

.calculator-slider-wrap {
    margin: 20px 0;
}

.calculator-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--sp-border);
    outline: none;
    -webkit-appearance: none;
}

.calculator-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--sp-primary);
    cursor: pointer;
    box-shadow: 0 0 10px var(--sp-primary);
}

.bunk-verdict-card {
    padding: 18px;
    border-radius: var(--sp-radius-md);
    background: var(--sp-success-light);
    color: var(--sp-success);
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.bunk-verdict-card.warning {
    background: var(--sp-warning-light);
    color: var(--sp-warning);
}

.bunk-verdict-card.danger {
    background: var(--sp-danger-light);
    color: var(--sp-danger);
}

/* Subject Health Bars */
.subject-health-row {
    margin-bottom: 16px;
}

.subject-health-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.health-progress-track {
    height: 10px;
    border-radius: var(--sp-radius-full);
    background: var(--sp-border);
    overflow: hidden;
    position: relative;
}

.health-progress-bar {
    height: 100%;
    border-radius: var(--sp-radius-full);
    transition: width 0.6s ease;
}

.progress-safe { background: var(--sp-success); }
.progress-warning { background: var(--sp-warning); }
.progress-danger { background: var(--sp-danger); }

/* ==========================================================================
   Leave & OD Requests Portal (Brand New Feature - No Popups!)
   ========================================================================== */
.leave-portal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 960px) {
    .leave-portal-layout {
        grid-template-columns: 1fr;
    }
}

.modern-form-group {
    margin-bottom: 18px;
}

.modern-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sp-text-main);
    margin-bottom: 6px;
}

.modern-input, .modern-textarea, .modern-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    color: var(--sp-text-main);
    font-size: 0.95rem;
    transition: var(--sp-transition);
    box-sizing: border-box;
}

.modern-input:focus, .modern-textarea:focus, .modern-select:focus {
    outline: none;
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.modern-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--sp-radius-md);
    background: var(--sp-primary-gradient);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--sp-transition);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.modern-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

/* ==========================================================================
   Digital Student ID (3D Flip Holographic Card - Brand New!)
   ========================================================================== */
.id-card-center-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.id-card-perspective {
    perspective: 1200px;
    width: 360px;
    height: 520px;
    margin-bottom: 24px;
}

.id-card-flipper {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.id-card-flipper.flipped {
    transform: rotateY(180deg);
}

.id-card-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--sp-radius-xl);
    padding: 28px;
    box-shadow: var(--sp-shadow-xl), 0 0 35px rgba(99, 102, 241, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}

.id-card-front {
    background: #1e293b; border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.id-card-front::after {
    content: '';
    position: absolute;
    inset: 0;
    display: none;
    pointer-events: none;
}

.id-card-back {
    background: #0f172a; border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transform: rotateY(180deg);
}

.id-college-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.id-college-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--sp-radius-sm);
    background: #ffffff;
    color: var(--sp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.id-college-title {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.id-college-sub {
    font-size: 0.7rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.id-photo-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 12px 0;
}

.id-photo-frame {
    width: 110px;
    height: 110px;
    border-radius: var(--sp-radius-lg);
    border: 3px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    margin-bottom: 12px;
}

.id-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.id-student-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 2px 0;
}

.id-student-role {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--sp-radius-full);
    font-weight: 600;
}

.id-data-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: rgba(0, 0, 0, 0.25);
    padding: 10px 14px;
    border-radius: var(--sp-radius-md);
    font-size: 0.75rem;
}

.id-data-label {
    opacity: 0.7;
}

.id-data-val {
    font-weight: 700;
}

.id-barcode-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.fake-barcode {
    height: 28px;
    width: 100%;
    background: repeating-linear-gradient(90deg, #fff 0px, #fff 2px, transparent 2px, transparent 4px, #fff 4px, #fff 7px, transparent 7px, transparent 9px);
    opacity: 0.9;
}

#id-card-qr-container img,
#id-card-qr-container canvas {
    background: #ffffff !important;
    padding: 4px !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
}

/* ==========================================================================
   Slide-out Notifications Drawer (Replaces Modal Popup!)
   ========================================================================== */
.notifications-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 90vw;
    height: 100vh;
    background: var(--sp-bg-card);
    border-left: 1px solid var(--sp-border);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.notifications-drawer.open {
    right: 0;
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--sp-transition);
}

.drawer-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.drawer-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--sp-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.drawer-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}

.drawer-close-btn {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--sp-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--sp-radius-sm);
}

.drawer-close-btn:hover {
    color: var(--sp-text-main);
    background: var(--sp-bg-card-hover);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.drawer-item {
    padding: 14px;
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    border: 1px solid var(--sp-border);
    margin-bottom: 12px;
    transition: var(--sp-transition);
}

.drawer-item:hover {
    border-color: var(--sp-primary);
    background: var(--sp-bg-card);
}

.drawer-item-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--sp-text-main);
    margin-bottom: 4px;
}

.drawer-item-desc {
    font-size: 0.8rem;
    color: var(--sp-text-muted);
    line-height: 1.4;
}

.drawer-item-time {
    font-size: 0.7rem;
    color: var(--sp-text-subtle);
    margin-top: 6px;
}

/* ==========================================================================
   Non-blocking Toast System
   ========================================================================== */
.sp-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.sp-toast {
    pointer-events: auto;
    min-width: 280px;
    max-width: 420px;
    padding: 14px 18px;
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    box-shadow: var(--sp-shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sp-text-main);
    animation: toastSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: var(--sp-transition);
}

.sp-toast.toast-success { border-left: 4px solid var(--sp-success); }
.sp-toast.toast-warning { border-left: 4px solid var(--sp-warning); }
.sp-toast.toast-error { border-left: 4px solid var(--sp-danger); }
.sp-toast.toast-info { border-left: 4px solid var(--sp-primary); }

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Suppress disruptive modal popups to honor "make use of less popups" */
#notification-modal,
#profile-modal,
#history-modal,
#update-request-modal {
    display: none !important;
}




/* ==========================================================================
   Redesigned Student Login Page (Professional & Stylish)
   ========================================================================== */
#login-section:not(.hidden),
.student-auth-viewport:not(.hidden) {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    z-index: 9999 !important;
    overflow: hidden !important;
    background: var(--sp-bg-main) !important;
}

.student-auth-fullscreen-container {
    display: flex;
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.auth-ambient-blur-1,
.auth-ambient-blur-2 {
    display: none !important;
}

.student-auth-fullscreen-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

/* Left Showcase Panel (Hero & Trust Highlights) */
.auth-showcase-panel {
    flex: 1.2;
    height: 100vh;
    max-height: 100vh;
    padding: 36px 52px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #f1f5f9;
    border-right: 1px solid var(--sp-border);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.auth-showcase-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--sp-primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--sp-radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    width: fit-content;
}

.auth-showcase-brand {
    margin: 36px 0 28px 0;
}

.auth-showcase-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--sp-text-main);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin: 16px 0 14px 0;
}

.auth-showcase-sub {
    font-size: 1.05rem;
    color: var(--sp-text-muted);
    line-height: 1.6;
    max-width: 540px;
    margin: 0;
}

.auth-feature-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0;
}

.auth-feat-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-lg);
    box-shadow: var(--sp-shadow-sm);
    transition: var(--sp-transition);
}

.auth-feat-item:hover {
    transform: translateX(4px);
    border-color: var(--sp-primary);
    box-shadow: var(--sp-shadow-md);
}

.auth-feat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--sp-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.auth-feat-icon.purple { background: rgba(99, 102, 241, 0.12); color: var(--sp-primary); }
.auth-feat-icon.green  { background: rgba(16, 185, 129, 0.12); color: var(--sp-success); }
.auth-feat-icon.blue   { background: rgba(59, 130, 246, 0.12); color: var(--sp-info); }

.auth-feat-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--sp-text-main);
    margin-bottom: 3px;
}

.auth-feat-desc {
    font-size: 0.82rem;
    color: var(--sp-text-muted);
    line-height: 1.45;
}

.auth-showcase-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--sp-text-subtle);
    padding-top: 20px;
    border-top: 1px solid var(--sp-border);
}

/* Right Login Column */
.student-login-box {
    flex: 0.8;
    min-width: 400px;
    height: 100vh;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px 52px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-radius: 0;
    border: none;
    border-left: 1px solid var(--sp-border);
    box-shadow: -15px 0 50px rgba(0, 0, 0, 0.06);
    position: relative;
    z-index: 3;
    overflow-y: auto;
    scrollbar-width: none;
    box-sizing: border-box;
    transition: var(--sp-transition);
}

.student-login-box::-webkit-scrollbar {
    display: none;
}

@media (min-width: 1025px) {
    .student-login-box .login-brand-header {
        margin-bottom: 18px;
    }
    .student-login-box .login-brand-logo-icon {
        display: none !important;
    }
    .student-login-box .login-brand-headline {
        font-size: 1.6rem !important;
        margin-bottom: 4px !important;
    }
    .student-login-box .avatar-container {
        margin-bottom: 14px !important;
    }
    .student-login-box .avatar-circle {
        width: 60px !important;
        height: 60px !important;
    }
    .student-login-box .login-field-wrap {
        margin-bottom: 14px !important;
    }
    .student-login-box .login-options-row {
        margin-bottom: 14px !important;
    }
}

.student-login-box > div,
.student-login-box > form {
    max-width: 440px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="dark"] .student-login-box,
[data-theme="ocean"] .student-login-box,
[data-theme="sunset"] .student-login-box {
    background: rgba(15, 23, 42, 0.96);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.login-brand-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-brand-logo-icon {
    width: 58px;
    height: 58px;
    border-radius: var(--sp-radius-lg);
    background: var(--sp-primary-gradient);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.8rem;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
    margin-bottom: 16px;
    animation: floatIcon 4s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.login-brand-headline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sp-text-main);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

.login-brand-sub {
    font-size: 0.9rem;
    color: var(--sp-text-muted);
    margin: 0;
}

.login-field-wrap {
    margin-bottom: 18px;
    position: relative;
}

.login-field-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sp-text-main);
    margin-bottom: 6px;
}

.login-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    color: var(--sp-text-subtle);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--sp-transition);
}

.login-styled-input {
    width: 100%;
    padding: 13px 42px 13px 42px;
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-md);
    background: var(--sp-bg-main);
    color: var(--sp-text-main);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--sp-transition);
    box-sizing: border-box;
}

.login-styled-input:focus {
    outline: none;
    border-color: var(--sp-primary);
    background: var(--sp-bg-card);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.login-styled-input:focus + .login-input-icon {
    color: var(--sp-primary);
}

.login-eye-toggle {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--sp-text-subtle);
    cursor: pointer;
    padding: 6px;
    font-size: 1rem;
    transition: var(--sp-transition);
}

.login-eye-toggle:hover {
    color: var(--sp-text-main);
}

.login-options-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    font-size: 0.85rem;
}

.login-forgot-link {
    color: var(--sp-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--sp-transition);
}

.login-forgot-link:hover {
    text-decoration: underline;
}

.login-submit-button,
#login-btn {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: var(--sp-radius-md);
    background: #4f46e5 !important;
    color: #ffffff !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    transition: var(--sp-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-submit-button:hover,
#login-btn:hover {
    background: #4338ca !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.login-submit-button span,
.login-submit-button .login-btn-label,
.login-submit-button .btn-text,
#login-btn span,
#login-btn .login-btn-label,
#login-btn .btn-text {
    color: #ffffff !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    background: transparent !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    text-transform: none !important;
    letter-spacing: 0.02em !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.login-submit-button i,
#login-btn i {
    color: #ffffff !important;
    font-size: 1rem !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.login-submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-footer-action {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--sp-border-subtle);
    font-size: 0.9rem;
    color: var(--sp-text-muted);
}

.login-register-link {
    color: var(--sp-primary);
    font-weight: 700;
    text-decoration: none;
    margin-left: 4px;
    transition: var(--sp-transition);
}

.login-register-link:hover {
    text-decoration: underline;
}

.in-card-forgot-panel {
    display: none;
    animation: fadeInTab 0.3s ease;
}

/* ==========================================================================
   Login Notification Banners, Security Policy Notes, and Modal Fixes
   ========================================================================== */
.login-notice-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--sp-radius-md, 12px);
    margin-bottom: 18px;
    font-size: 0.88rem;
    line-height: 1.45;
    position: relative;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    animation: slideInNotice 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInNotice {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-notice-banner.hidden {
    display: none !important;
}

.login-notice-banner .login-notice-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.login-notice-banner .login-notice-content {
    flex: 1;
}

.login-notice-banner .login-notice-title {
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 3px;
    letter-spacing: -0.01em;
}

.login-notice-banner .login-notice-text {
    font-size: 0.84rem;
    opacity: 0.95;
}

/* Warning / Device Locked Variant */
.login-notice-banner.warning {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #b45309;
}
[data-theme="dark"] .login-notice-banner.warning,
[data-theme="ocean"] .login-notice-banner.warning,
[data-theme="sunset"] .login-notice-banner.warning {
    background: rgba(245, 158, 11, 0.18);
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}
.login-notice-banner.warning .login-notice-icon {
    color: #d97706;
}
[data-theme="dark"] .login-notice-banner.warning .login-notice-icon {
    color: #f59e0b;
}

/* Danger / Account Blocked Variant */
.login-notice-banner.danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #b91c1c;
}
[data-theme="dark"] .login-notice-banner.danger,
[data-theme="ocean"] .login-notice-banner.danger,
[data-theme="sunset"] .login-notice-banner.danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.45);
    color: #fca5a5;
}
.login-notice-banner.danger .login-notice-icon {
    color: #dc2626;
}
[data-theme="dark"] .login-notice-banner.danger .login-notice-icon {
    color: #ef4444;
}

/* Permanent Security Policy Box */
.login-security-policy-note {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: var(--sp-radius-md, 12px);
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.18);
    font-size: 0.8rem;
    color: var(--sp-text-muted);
}
[data-theme="dark"] .login-security-policy-note,
[data-theme="ocean"] .login-security-policy-note,
[data-theme="sunset"] .login-security-policy-note {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.25);
}

.login-security-policy-note .policy-note-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--sp-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.login-security-policy-note .policy-note-list {
    margin: 0;
    padding-left: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-security-policy-note .policy-note-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

.login-security-policy-note .policy-note-list li i {
    font-size: 0.82rem;
    margin-top: 3px;
    flex-shrink: 0;
    color: var(--sp-primary);
}

.login-security-policy-note .policy-note-list li strong {
    color: var(--sp-text-main);
}

/* Modern status indicator styling */
.status-indicator {
    padding: 12px 16px;
    margin: 14px 0;
    border-radius: var(--sp-radius-md, 10px);
    font-size: 0.88rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    line-height: 1.4;
    box-sizing: border-box;
}

.status-indicator.hidden {
    display: none !important;
}

.status-indicator.error {
    background: rgba(239, 68, 68, 0.14) !important;
    border: 1px solid rgba(239, 68, 68, 0.35) !important;
    color: #ef4444 !important;
}

.status-indicator.warning {
    background: rgba(245, 158, 11, 0.14) !important;
    border: 1px solid rgba(245, 158, 11, 0.35) !important;
    color: #f59e0b !important;
}

.status-indicator.success {
    background: rgba(16, 185, 129, 0.14) !important;
    border: 1px solid rgba(16, 185, 129, 0.35) !important;
    color: #10b981 !important;
}

.status-indicator.info {
    background: rgba(59, 130, 246, 0.14) !important;
    border: 1px solid rgba(59, 130, 246, 0.35) !important;
    color: #3b82f6 !important;
}

/* Modal Overlay High Z-Index & Modern Styling */
.modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(15, 23, 42, 0.72) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 100000 !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.visible {
    opacity: 1 !important;
    visibility: visible !important;
}

.modal-overlay .modal-content {
    background: var(--sp-bg-card, #ffffff) !important;
    color: var(--sp-text-main, #0f172a) !important;
    border-radius: var(--sp-radius-xl, 18px) !important;
    border: 1px solid var(--sp-border, rgba(0, 0, 0, 0.1)) !important;
    width: 90% !important;
    max-width: 480px !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35) !important;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    overflow: hidden !important;
}

.modal-overlay.visible .modal-content {
    transform: scale(1) translateY(0) !important;
}

#blocked-user-modal .modal-header {
    background: rgba(239, 68, 68, 0.1) !important;
    border-bottom: 1px solid rgba(239, 68, 68, 0.2) !important;
    color: #dc2626 !important;
    padding: 18px 24px !important;
}

#blocked-user-modal .modal-header h3 {
    margin: 0 !important;
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

#blocked-user-modal .modal-body {
    padding: 24px !important;
}

#blocked-user-modal .modal-footer {
    padding: 16px 24px !important;
    border-top: 1px solid var(--sp-border, #e2e8f0) !important;
    display: flex;
    justify-content: flex-end;
}


/* ==========================================================================
   Profile & Security Portal Styles
   ========================================================================== */
.profile-hero-card {
    background: var(--sp-card-gradient), var(--sp-bg-card);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius-xl);
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 28px;
    box-shadow: var(--sp-shadow-md);
    position: relative;
    overflow: hidden;
}

.profile-hero-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: transparent;
    pointer-events: none;
}

.profile-hero-left {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.profile-avatar-wrapper {
    position: relative;
    width: 96px;
    height: 96px;
    flex-shrink: 0;
}

.profile-hero-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
    background: var(--sp-bg-card-hover);
}

.profile-avatar-edit-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    background: var(--sp-primary-gradient);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--sp-bg-card);
    transition: var(--sp-transition);
    font-size: 0.85rem;
}

.profile-avatar-edit-badge:hover {
    transform: scale(1.12);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.profile-hero-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.profile-hero-name-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.profile-hero-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.65rem;
    font-weight: 700;
    margin: 0;
    color: var(--sp-text-main);
    letter-spacing: -0.02em;
}

.profile-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #10b981;
    background: rgba(16, 185, 129, 0.12);
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.profile-hero-sub {
    margin: 0;
    font-size: 0.95rem;
    color: var(--sp-text-muted);
}

.profile-hero-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.prof-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: var(--sp-radius-sm);
    background: var(--sp-bg-main);
    border: 1px solid var(--sp-border);
    color: var(--sp-text-main);
}

.prof-tag strong {
    color: var(--sp-primary);
}

.prof-tag.status-active {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
    color: #10b981;
    font-weight: 600;
}

.profile-hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.profile-credits-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sp-text-muted);
    background: var(--sp-bg-main);
    padding: 6px 14px;
    border-radius: var(--sp-radius-full);
    border: 1px solid var(--sp-border);
}

.profile-credits-pill span {
    color: var(--sp-primary);
    font-weight: 700;
}

/* In-line Edit Profile Panel */
.prof-edit-panel {
    background: var(--sp-bg-card);
    border: 1px solid var(--sp-primary);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
    animation: fadeInTab 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.prof-edit-alert {
    padding: 12px 16px;
    border-radius: var(--sp-radius-md);
    margin-bottom: 20px;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.prof-edit-alert.info {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--sp-primary);
}

.prof-edit-alert.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #10b981;
}

.prof-edit-alert.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

.prof-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px 20px;
    margin-bottom: 24px;
}

.prof-form-grid .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.prof-form-grid .form-group label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--sp-text-main) !important;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.prof-form-grid .form-group label i {
    color: var(--sp-primary) !important;
    font-size: 0.95rem;
    width: 14px;
}

.prof-form-grid input.form-input,
.prof-form-grid select.form-input,
.prof-form-grid input[type="text"],
.prof-form-grid input[type="email"],
.prof-form-grid input[type="tel"] {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 16px !important;
    border-radius: var(--sp-radius-md) !important;
    border: 1.5px solid #cbd5e1 !important;
    background: #ffffff !important;
    color: #0f172a !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
    transition: var(--sp-transition) !important;
}

.prof-form-grid input.form-input:focus,
.prof-form-grid select.form-input:focus,
.prof-form-grid input[type="text"]:focus,
.prof-form-grid input[type="email"]:focus,
.prof-form-grid input[type="tel"]:focus {
    border-color: var(--sp-primary) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

.prof-form-grid input.form-input:disabled,
.prof-form-grid select.form-input:disabled,
.prof-form-grid input[type="email"]:disabled {
    background: #f1f5f9 !important;
    color: #64748b !important;
    border-color: #e2e8f0 !important;
    cursor: not-allowed !important;
}

[data-theme="dark"] .prof-form-grid input.form-input,
[data-theme="dark"] .prof-form-grid select.form-input,
[data-theme="dark"] .prof-form-grid input[type="text"],
[data-theme="dark"] .prof-form-grid input[type="email"],
[data-theme="dark"] .prof-form-grid input[type="tel"] {
    border-color: #334155 !important;
    background: #1e293b !important;
    color: #f8fafc !important;
}

[data-theme="dark"] .prof-form-grid input.form-input:disabled,
[data-theme="dark"] .prof-form-grid input[type="email"]:disabled {
    background: #0f172a !important;
    color: #64748b !important;
    border-color: #1e293b !important;
}

.prof-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--sp-border);
}

.prof-form-actions .modern-btn-outline {
    background: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #cbd5e1 !important;
    padding: 10px 20px !important;
    border-radius: var(--sp-radius-md) !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    transition: var(--sp-transition) !important;
}

.prof-form-actions .modern-btn-outline:hover {
    background: #e2e8f0 !important;
    color: #1e293b !important;
}

.prof-form-actions .modern-btn-primary {
    background: var(--sp-primary-gradient) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 10px 24px !important;
    border-radius: var(--sp-radius-md) !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
    transition: var(--sp-transition) !important;
}

.prof-form-actions .modern-btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.45) !important;
}

/* Grid Layout for Profile Details: 2x2 balanced layout */
.profile-grid-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .profile-grid-layout {
        grid-template-columns: 1fr;
    }
}

.profile-detail-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.profile-card-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    background: var(--sp-bg-main);
    border: 1px solid var(--sp-border);
    color: var(--sp-text-muted);
}

.profile-card-badge.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.25);
    color: #10b981;
}

.profile-card-badge.info {
    background: rgba(14, 165, 233, 0.1);
    border-color: rgba(14, 165, 233, 0.25);
    color: #0ea5e9;
}

.profile-info-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.profile-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 4px;
    border-bottom: 1px solid var(--sp-border-subtle);
    gap: 16px;
}

.profile-info-row:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--sp-text-muted);
    font-weight: 500;
    flex-shrink: 0;
}

.info-label i {
    width: 16px;
    color: var(--sp-primary);
    text-align: center;
}

.info-value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--sp-text-main);
    text-align: right;
    word-break: break-word;
}

.info-value.highlight {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--sp-primary);
    font-size: 1rem;
    font-weight: 700;
}

.info-value-code {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--sp-bg-main);
    padding: 4px 10px;
    border-radius: var(--sp-radius-sm);
    border: 1px solid var(--sp-border);
    max-width: 220px;
}

.info-value-code code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    color: var(--sp-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-copy-code {
    background: none;
    border: none;
    color: var(--sp-text-muted);
    cursor: pointer;
    padding: 2px 4px;
    font-size: 0.85rem;
    transition: var(--sp-transition);
}

.btn-copy-code:hover {
    color: var(--sp-primary);
}

.badge-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-status-pill.success {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
}

.badge-status-pill.warning {
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
}

.badge-status-pill.danger {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

/* ==========================================================================
   Mobile & Responsive UI Design System
   ========================================================================== */

/* Tablets & Medium Screens (<= 1024px) */
@media (max-width: 1024px) {
    .auth-showcase-panel {
        display: none !important;
    }

    .student-auth-fullscreen-container {
        align-items: center;
        justify-content: center;
        padding: 30px 20px;
    }

    .student-login-box {
        flex: 1 !important;
        max-width: 480px !important;
        min-height: auto !important;
        margin: 0 auto !important;
        border-radius: var(--sp-radius-xl) !important;
        border: 1px solid var(--sp-border) !important;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15) !important;
        padding: 44px 36px !important;
    }

    .stats-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .profile-master-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
    /* Fullscreen Mobile Login Screen */
    #login-section:not(.hidden),
    .student-auth-viewport:not(.hidden) {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        max-height: 100vh !important;
        overflow-y: auto !important;
        display: flex !important;
        flex-direction: column !important;
        z-index: 9999 !important;
        padding: 0 !important;
    }

    .student-auth-fullscreen-container {
        padding: 0 !important;
        min-height: 100vh !important;
        height: auto !important;
        max-height: none !important;
        width: 100% !important;
        overflow: visible !important;
        flex-direction: column !important;
    }

    .student-login-box {
        max-width: 100% !important;
        width: 100% !important;
        min-width: 0 !important;
        min-height: 100vh !important;
        height: auto !important;
        max-height: none !important;
        margin: 0 !important;
        border-radius: 0 !important;
        border: none !important;
        padding: 40px 20px 36px 20px !important;
        box-shadow: none !important;
        overflow: visible !important;
        justify-content: center;
        background: var(--sp-bg-card) !important;
    }

    .login-brand-headline {
        font-size: 1.6rem !important;
    }

    .login-brand-sub {
        font-size: 0.85rem !important;
    }

    .login-styled-input {
        font-size: 16px !important; /* Prevents iOS auto-zoom on input focus */
        padding: 13px 14px 13px 42px !important;
    }

    .btn-login-submit {
        padding: 13px 20px !important;
        font-size: 0.95rem !important;
    }

    /* Mobile Header & Brand Bar */
    .portal-topbar {
        position: sticky !important;
        top: 0 !important;
        z-index: 100 !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        padding: 0 !important;
    }

    .topbar-inner {
        padding: 8px 12px !important;
        gap: 8px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .portal-brand-tagline,
    .topbar-center,
    .brand-sub-badge,
    .student-chip-info,
    .topbar-profile-summary {
        display: none !important;
    }

    .student-chip {
        padding: 2px !important;
        background: transparent !important;
        border: none !important;
    }

    .student-chip-avatar {
        width: 32px !important;
        height: 32px !important;
    }

    .portal-brand-title {
        font-size: 1.15rem !important;
    }

    .portal-brand-logo {
        width: 34px !important;
        height: 34px !important;
        font-size: 1.05rem !important;
    }

    .topbar-right {
        gap: 6px !important;
    }

    .topbar-btn {
        width: 36px !important;
        height: 36px !important;
        font-size: 0.9rem !important;
        border-radius: var(--sp-radius-md) !important;
    }

    .logout-topbar-btn {
        display: none !important;
    }

    .mobile-sidebar-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 36px !important;
        height: 36px !important;
        background: var(--sp-bg-main) !important;
        border: 1px solid var(--sp-border) !important;
        border-radius: var(--sp-radius-md) !important;
        color: var(--sp-text-main) !important;
        font-size: 1.05rem !important;
        cursor: pointer !important;
        flex-shrink: 0 !important;
        transition: var(--sp-transition) !important;
    }

    .mobile-sidebar-toggle:hover {
        background: var(--sp-bg-card) !important;
        border-color: var(--sp-primary) !important;
        color: var(--sp-primary) !important;
    }

    /* Mobile Navigation Sidebar Drawer & Backdrop */
    .mobile-sidebar-backdrop {
        display: block !important;
        position: fixed !important;
        inset: 0 !important;
        background: rgba(15, 23, 42, 0.65) !important;
        backdrop-filter: blur(4px) !important;
        -webkit-backdrop-filter: blur(4px) !important;
        z-index: 998 !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transition: opacity 0.25s ease, visibility 0.25s ease !important;
    }

    .mobile-sidebar-backdrop.open {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    .mobile-sidebar-drawer {
        display: flex !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        bottom: 0 !important;
        width: 310px !important;
        max-width: 86vw !important;
        background: var(--sp-bg-card) !important;
        border-right: 1px solid var(--sp-border) !important;
        z-index: 999 !important;
        flex-direction: column !important;
        transform: translateX(-100%) !important;
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35) !important;
        overflow-y: auto !important;
    }

    .mobile-sidebar-drawer.open {
        transform: translateX(0) !important;
    }

    .mobile-sidebar-header {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 16px 18px !important;
        border-bottom: 1px solid var(--sp-border) !important;
    }

    .mobile-sidebar-brand {
        display: flex !important;
        align-items: center !important;
        gap: 10px !important;
    }

    .portal-brand-logo.small {
        width: 34px !important;
        height: 34px !important;
        font-size: 1rem !important;
    }

    .mobile-sidebar-badge {
        font-size: 0.70rem !important;
        color: var(--sp-text-muted) !important;
        font-weight: 500 !important;
        display: block !important;
    }

    .mobile-sidebar-close {
        width: 32px !important;
        height: 32px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: var(--sp-bg-main) !important;
        border: 1px solid var(--sp-border) !important;
        border-radius: var(--sp-radius-sm) !important;
        color: var(--sp-text-muted) !important;
        cursor: pointer !important;
        font-size: 0.95rem !important;
    }

    .mobile-sidebar-close:hover {
        color: var(--sp-danger) !important;
        border-color: var(--sp-danger) !important;
    }

    .mobile-sidebar-nav {
        display: flex !important;
        flex-direction: column !important;
        gap: 6px !important;
        padding: 14px 12px !important;
        flex: 1 !important;
    }

    .mobile-sidebar-tab {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 12px !important;
        width: 100% !important;
        padding: 11px 14px !important;
        border-radius: var(--sp-radius-md) !important;
        border: 1px solid transparent !important;
        background: transparent !important;
        color: var(--sp-text-muted) !important;
        font-size: 0.88rem !important;
        font-weight: 600 !important;
        text-align: left !important;
        cursor: pointer !important;
        transition: var(--sp-transition) !important;
        box-shadow: none !important;
        position: relative !important;
        overflow: visible !important;
    }

    .mobile-sidebar-tab::before {
        display: none !important;
    }

    .mobile-sidebar-tab i {
        font-size: 1.05rem !important;
        width: 24px !important;
        min-width: 24px !important;
        max-width: 24px !important;
        text-align: center !important;
        color: var(--sp-text-muted) !important;
        flex-shrink: 0 !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        margin: 0 !important;
    }

    .mobile-sidebar-tab span:not(.nav-tab-badge) {
        flex: 1 !important;
        text-align: left !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        line-height: 1.3 !important;
        display: block !important;
    }

    .mobile-sidebar-tab:hover {
        background: var(--sp-bg-main) !important;
        color: var(--sp-text-main) !important;
        box-shadow: none !important;
    }

    .mobile-sidebar-tab:hover i {
        color: var(--sp-primary) !important;
    }

    .mobile-sidebar-tab.active {
        background: var(--sp-primary) !important;
        color: #ffffff !important;
        border-color: var(--sp-primary) !important;
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25) !important;
    }

    .mobile-sidebar-tab.active i,
    .mobile-sidebar-tab.active span {
        color: #ffffff !important;
    }

    .mobile-sidebar-tab .nav-tab-badge {
        margin-left: auto !important;
        background: rgba(255, 255, 255, 0.2) !important;
        color: #ffffff !important;
        font-size: 0.65rem !important;
        padding: 2px 6px !important;
        border-radius: var(--sp-radius-full) !important;
        font-weight: 700 !important;
        flex-shrink: 0 !important;
    }

    .mobile-sidebar-footer {
        padding: 14px 16px !important;
        border-top: 1px solid var(--sp-border) !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        background: var(--sp-bg-main) !important;
    }

    .mobile-sidebar-profile {
        display: flex !important;
        align-items: center !important;
        gap: 10px !important;
    }

    .mobile-sidebar-info {
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }

    .mobile-sidebar-name {
        font-size: 0.88rem !important;
        font-weight: 700 !important;
        color: var(--sp-text-main) !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }

    .mobile-sidebar-role {
        font-size: 0.72rem !important;
        color: var(--sp-success) !important;
        font-weight: 600 !important;
    }

    .mobile-sidebar-logout-btn {
        width: 100% !important;
        padding: 9px 12px !important;
        border-radius: var(--sp-radius-md) !important;
        border: 1px solid var(--sp-border) !important;
        background: var(--sp-bg-card) !important;
        color: var(--sp-danger) !important;
        font-size: 0.85rem !important;
        font-weight: 600 !important;
        cursor: pointer !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
        transition: var(--sp-transition) !important;
    }

    .mobile-sidebar-logout-btn:hover {
        background: var(--sp-danger) !important;
        color: #ffffff !important;
        border-color: var(--sp-danger) !important;
    }

    /* Hide Top Nav Tabs Strip on Mobile - Replaced with Sidebar */
    .portal-nav-strip {
        display: none !important;
    }

    /* Content Area */
    .portal-main-content {
        padding: 14px 12px 60px 12px !important;
    }

    /* Hero welcome card permanently removed */
    .hero-welcome-card {
        display: none !important;
    }

    /* Compact 2x2 KPI Cards - Smaller & Balanced */
    .stats-kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
        margin-bottom: 14px !important;
    }

    .kpi-card {
        padding: 8px 10px !important;
        gap: 6px !important;
        min-height: 52px !important;
        border-radius: var(--sp-radius-md) !important;
        box-sizing: border-box !important;
    }

    .kpi-label {
        font-size: 0.60rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.02em !important;
        margin-bottom: 1px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }

    .kpi-value {
        font-size: 1.05rem !important;
        font-weight: 700 !important;
        line-height: 1.15 !important;
        margin-bottom: 0 !important;
    }

    .kpi-trend {
        display: none !important;
    }

    .circle-gauge-wrap {
        width: 32px !important;
        height: 32px !important;
        flex-shrink: 0 !important;
    }

    .circle-gauge-svg {
        width: 32px !important;
        height: 32px !important;
    }

    .gauge-text {
        font-size: 0.52rem !important;
        font-weight: 700 !important;
    }

    .kpi-icon-wrap {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.80rem !important;
        border-radius: var(--sp-radius-sm) !important;
        flex-shrink: 0 !important;
    }

    /* Schedule Card on Mobile - Clean, Vertical Stack, No Overflow */
    .schedule-card-item,
    .clickable-class-schedule-card {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 12px 14px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .schedule-time-box {
        min-width: 0 !important;
        width: 100% !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: baseline !important;
        justify-content: flex-start !important;
        gap: 8px !important;
    }

    .schedule-time-box .time-start {
        font-size: 0.95rem !important;
        font-weight: 700 !important;
        color: var(--sp-text-main) !important;
    }

    .schedule-time-box .time-end {
        font-size: 0.78rem !important;
        color: var(--sp-text-muted) !important;
    }

    .schedule-details {
        width: 100% !important;
        min-width: 0 !important;
    }

    .schedule-details .subject-name {
        font-size: 0.98rem !important;
        font-weight: 700 !important;
        color: var(--sp-text-main) !important;
        margin-bottom: 3px !important;
        word-break: break-word !important;
    }

    .schedule-details .teacher-room {
        font-size: 0.78rem !important;
        color: var(--sp-text-muted) !important;
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    .schedule-action-col {
        width: 100% !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 8px !important;
        padding-top: 10px !important;
        border-top: 1px dashed var(--sp-border) !important;
        box-sizing: border-box !important;
    }

    .schedule-action-col .status-tag {
        margin: 0 !important;
        font-size: 0.70rem !important;
        padding: 4px 10px !important;
        border-radius: var(--sp-radius-full) !important;
        flex-shrink: 0 !important;
    }

    .schedule-action-col .schedule-mark-attendance-btn,
    .schedule-action-col .schedule-status-badge {
        width: auto !important;
        flex: 1 !important;
        max-width: 175px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 6px !important;
        padding: 7px 12px !important;
        font-size: 0.78rem !important;
        border-radius: var(--sp-radius-full) !important;
        box-sizing: border-box !important;
        white-space: nowrap !important;
    }

    /* Tab Header & Title Sections */
    .panel-section-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        margin-bottom: 16px !important;
    }

    .panel-title {
        font-size: 1.15rem !important;
    }

    /* Attendance Tab & Controls on Mobile */
    .attendance-action-center {
        display: flex !important;
        flex-direction: column !important;
        gap: 14px !important;
    }

    .action-card {
        padding: 16px 14px !important;
        border-radius: var(--sp-radius-md) !important;
        box-sizing: border-box !important;
        width: 100% !important;
    }

    .radar-display-container {
        height: 140px !important;
        margin-bottom: 12px !important;
        padding: 10px !important;
    }

    .radar-ping {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
    }

    .radar-distance-metric {
        font-size: 0.90rem !important;
        margin-top: 8px !important;
    }

    .radar-status-badge {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
        justify-content: center !important;
        margin-top: 6px !important;
    }

    .radar-status-badge .badge {
        font-size: 0.70rem !important;
        padding: 3px 8px !important;
    }

    .location-info {
        padding: 12px 14px !important;
        margin-bottom: 12px !important;
        border-radius: var(--sp-radius-md) !important;
    }

    .location-info > div {
        display: flex !important;
        flex-direction: column !important;
        gap: 6px !important;
        grid-template-columns: 1fr !important;
        font-size: 0.8rem !important;
    }

    .verification-mode-pills {
        gap: 8px !important;
        margin-bottom: 14px !important;
    }

    .mode-pill {
        padding: 8px 12px !important;
        font-size: 0.80rem !important;
    }

    .modern-scanner-box {
        min-height: 210px !important;
        max-height: 280px !important;
        border-radius: var(--sp-radius-md) !important;
        width: 100% !important;
    }

    .scanner-crosshair {
        width: 140px !important;
        height: 140px !important;
    }

    #capture-btn {
        width: 100% !important;
        padding: 12px 16px !important;
        font-size: 0.92rem !important;
        margin-top: 14px !important;
    }

    .classes-container {
        width: 100% !important;
    }

    .class-item {
        background: var(--sp-bg-main);
        border: 1px solid var(--sp-border);
        border-radius: var(--sp-radius-md);
        padding: 12px 14px;
        margin-bottom: 10px;
        box-sizing: border-box;
        width: 100%;
    }

    .class-item.nearby {
        border-color: var(--sp-primary);
        background: var(--sp-primary-light);
    }

    .class-item .class-name {
        font-weight: 700;
        font-size: 0.92rem;
        color: var(--sp-text-main);
        margin-bottom: 4px;
    }

    .class-item .class-details {
        font-size: 0.75rem;
        color: var(--sp-text-muted);
        display: flex;
        flex-direction: column;
        gap: 3px;
        margin-bottom: 8px;
    }

    .class-item .class-status {
        display: inline-block;
        padding: 3px 8px;
        border-radius: var(--sp-radius-full);
        font-size: 0.70rem;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .class-item .attendance-btn {
        width: 100%;
        padding: 9px 12px;
        border-radius: var(--sp-radius-md);
        font-weight: 600;
        font-size: 0.84rem;
        cursor: pointer;
        background: var(--sp-primary);
        color: #ffffff;
        border: none;
        box-sizing: border-box;
    }

    .class-item .attendance-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }

    /* Student Digital ID Card */
    .modern-id-card {
        max-width: 100% !important;
        padding: 22px 18px !important;
    }

    .id-card-body {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 14px !important;
    }

    .id-photo-frame {
        width: 90px !important;
        height: 100px !important;
    }

    /* Profile Rows */
    .profile-info-row {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
        padding: 10px 0 !important;
    }

    .info-value {
        text-align: left !important;
    }

    .info-value-code {
        max-width: 100% !important;
        width: 100% !important;
        justify-content: space-between;
    }
}

/* Small Smartphone Screens (<= 480px) */
@media (max-width: 480px) {
    .portal-main-content {
        padding: 10px 8px 50px 8px !important;
    }

    .stats-kpi-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
        margin-bottom: 12px !important;
    }

    .kpi-card {
        padding: 7px 8px !important;
        gap: 5px !important;
        min-height: 48px !important;
    }

    .kpi-value {
        font-size: 0.98rem !important;
    }

    .kpi-label {
        font-size: 0.58rem !important;
    }

    .kpi-subtext {
        display: none !important;
    }

    .student-login-box {
        padding: 36px 18px 30px 18px !important;
    }

    .login-brand-logo-icon {
        width: 48px !important;
        height: 48px !important;
        font-size: 1.4rem !important;
    }

    .login-brand-headline {
        font-size: 1.4rem !important;
    }
}


[data-theme="dark"] .auth-showcase-panel,
[data-theme="ocean"] .auth-showcase-panel,
[data-theme="sunset"] .auth-showcase-panel {
    background: #0f172a !important;
}