/* Google Fonts are now loaded via <link> preconnect in HTML for better mobile performance */

:root {
    color-scheme: dark;
    --font-ui: 'Inter', 'Cairo', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', 'Cairo', Georgia, serif;
    --font-arabic: 'Cairo', serif;

    --bg: #09090B;
    --bg-desert: #09090B;
    --surface: #18181B;
    --surface-solid: #18181B;
    --surface-raised: #27272A;
    --surface-hover: #27272A;
    --glass: #18181B;
    --glass-heavy: #27272A;
    --border: #27272A;
    --border-strong: #3F3F46;

    --text-main: #F8FAFC;
    --text: var(--text-main);
    --text-dim: #A1A1AA;
    --muted: #71717A;

    --primary: #10B981;
    --primary-lapis: #3B82F6;
    --primary-glow: rgba(16, 185, 129, 0.2);
    --secondary: #059669;
    --secondary-emerald: #059669;
    --accent: #10B981;
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --success-glow: rgba(16, 185, 129, 0.15);
    --error-glow: rgba(239, 68, 68, 0.15);
    --gold-base: #F59E0B;
    --gold-highlight: #FCD34D;
    --gold-gradient: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 20px;
    --radius-sm: 12px;
    --ring: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

:root[data-theme="light"] {
    color-scheme: light;
    --bg: #F9FAFB;
    --bg-desert: #F9FAFB;
    --surface: #FFFFFF;
    --surface-solid: #FFFFFF;
    --surface-raised: #F3F4F6;
    --surface-hover: #F3F4F6;
    --glass: #FFFFFF;
    --glass-heavy: #F3F4F6;
    --border: #E5E7EB;
    --border-strong: #D1D5DB;

    --text-main: #0F172A;
    --text: var(--text-main);
    --text-dim: #64748B;
    --muted: #94A3B8;

    --primary: #10B981;
    --primary-lapis: #2563EB;
    --primary-glow: rgba(16, 185, 129, 0.15);
    --secondary: #059669;
    --secondary-emerald: #059669;
    --accent: #10B981;
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --success-glow: rgba(16, 185, 129, 0.1);
    --error-glow: rgba(239, 68, 68, 0.1);
    --gold-base: #F59E0B;
    --gold-highlight: #FCD34D;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    transition: background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}

* {
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background-color: var(--bg);
    color: var(--text-main);
    font-family: var(--font-ui);
    line-height: 1.6;
    text-align: start;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    position: relative;
}



/* Glowing Ambient Orbs */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 25%),
        radial-gradient(circle at 85% 30%, color-mix(in srgb, var(--primary-lapis) 10%, transparent), transparent 25%);
    pointer-events: none;
    z-index: -2;
}

/* Modern Subtle Dot Grid Pattern */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image: radial-gradient(color-mix(in srgb, var(--text-main) 10%, transparent) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.5;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    border: 0;
    touch-action: manipulation;
}

img {
    display: block;
    max-width: 100%;
}

::selection {
    background: rgba(216, 173, 74, 0.32);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--primary) 55%, transparent);
    border: 3px solid var(--bg);
    border-radius: 99px;
}

:focus-visible {
    outline: 0;
    box-shadow: var(--ring);
}

.hidden {
    display: none !important;
}

.orb-container,
.orb {
    display: none !important;
}

.muted {
    color: var(--text-dim);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.app-logo .dot,
.brand-mark,
.portal-initial,
.stat-icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
}

.app-logo .dot {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: var(--gold-gradient);
    box-shadow: 0 0 18px var(--primary-glow);
    transform: rotate(45deg);
}

.app-logo-img {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 50%;
    flex-shrink: 0;
}

.brand-logo-img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 50%;
    flex-shrink: 0;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(216, 173, 74, 0.22), rgba(54, 193, 144, 0.16));
    border: 1px solid var(--border);
    color: var(--gold-highlight);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
}

.btn {
    min-height: 44px;
    padding: 0.72rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 800;
    letter-spacing: 0;
    white-space: nowrap;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
    user-select: none;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.62;
    transform: none;
}

.btn-main {
    background: var(--gold-gradient);
    color: #171208;
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 28px var(--primary-glow);
}

.btn-main:hover {
    box-shadow: 0 16px 38px var(--primary-glow);
}

.btn-ghost {
    background: var(--glass);
    border-color: var(--border);
    color: var(--text-main);
}

.btn-ghost:hover {
    background: var(--glass-heavy);
    border-color: var(--border-strong);
}

.btn-sm {
    min-height: 34px;
    padding: 0.48rem 0.72rem;
    font-size: 0.82rem;
}

.btn-block {
    width: 100%;
}

.icon-btn {
    width: 44px;
    height: 44px;
    padding: 0;
}

.landing-page {
    background-color: var(--bg);
}

.nav-wrapper {
    position: fixed;
    inset-inline: 0;
    top: 0;
    width: 100%;
    margin-inline: auto;
    z-index: 1000;
    background: color-mix(in srgb, var(--bg) 65%, transparent);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), top 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-radius 0.4s ease, border 0.4s ease, box-shadow 0.4s ease;
}

.nav-wrapper.floating {
    top: 1rem;
    width: min(800px, calc(100% - 2rem));
    border-radius: 9999px;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    background: color-mix(in srgb, var(--surface) 85%, transparent);
}

.navbar {
    width: min(1180px, calc(100% - 2rem));
    min-height: 74px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}

.brand-text {
    display: grid;
    gap: 0.05rem;
    line-height: 1.1;
}

.brand-text strong {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.brand-text span {
    color: var(--text-dim);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem;
}

.install-app-btn {
    white-space: nowrap;
}

.hero-section {
    min-height: 92svh;
    position: relative;
    isolation: isolate;
    display: grid;
    align-items: center;
    padding: 7rem 1rem 3rem;
    overflow: hidden;
}

@keyframes auroraShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(-45deg, 
        var(--bg), 
        color-mix(in srgb, var(--primary) 8%, var(--bg)), 
        color-mix(in srgb, var(--primary-lapis) 8%, var(--bg)), 
        var(--bg)
    );
    background-size: 400% 400%;
    animation: auroraShift 15s ease infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 34%;
    background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-inner {
    width: min(1180px, 100%);
    margin-inline: auto;
    display: grid;
    grid-template-columns: minmax(0, 790px);
    justify-content: start;
    align-items: center;
    min-width: 0;
}

.hero-content {
    display: grid;
    gap: 1.25rem;
    max-width: 760px;
    min-width: 0;
}

.bismillah-mark {
    width: fit-content;
    color: var(--gold-highlight);
    font-family: var(--font-arabic);
    font-size: clamp(2rem, 4vw, 3.3rem);
    line-height: 1;
    text-shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
}

.pill-badge {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--gold-highlight);
    background: rgba(216, 173, 74, 0.1);
    font-size: 0.76rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(3.3rem, 8.6vw, 6.4rem);
    line-height: 0.98;
    letter-spacing: 0;
    color: var(--text-main);
    text-wrap: balance;
    overflow-wrap: break-word;
}

.hero-content h1 span {
    display: block;
    color: var(--gold-highlight);
}

.hero-lead {
    max-width: 650px;
    color: var(--text-dim);
    font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-arabic {
    color: var(--gold-highlight);
    font-family: var(--font-arabic);
    font-size: clamp(1.55rem, 3vw, 2.2rem);
    line-height: 1.4;
}

.hero-translation {
    margin-top: -0.8rem;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: center;
    margin-top: 0.5rem;
}

.floating-stats-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    max-width: 620px;
    margin-top: 1.5rem;
}

.stats-strip {
    width: min(1180px, calc(100% - 2rem));
    margin: -1.8rem auto 0;
    padding-bottom: 2.5rem;
    position: relative;
    z-index: 5;
}

.stats-strip .floating-stats-bar {
    max-width: none;
    margin-top: 0;
}

.stat-item {
    min-height: 116px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-solid);
    box-shadow: var(--shadow-sm);
    /* Removed backdrop-filter — not needed, solid bg used instead */
}

.stat-num {
    display: block;
    color: var(--gold-highlight);
    font-size: clamp(1.8rem, 4vw, 2.65rem);
    font-weight: 900;
    line-height: 1;
}

.stat-text {
    margin-top: 0.5rem;
    color: var(--text-dim);
    font-size: 0.74rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.page-section {
    width: min(1180px, calc(100% - 2rem));
    margin-inline: auto;
    padding: clamp(3rem, 7vw, 6rem) 0;
}

.section-kicker {
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 0.65rem;
}

.section-title {
    color: var(--text-main);
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3.35rem);
    line-height: 1.08;
    letter-spacing: 0;
    text-wrap: balance;
    margin-bottom: 1rem;
}

.section-lead {
    max-width: 720px;
    color: var(--text-dim);
    font-size: 1.05rem;
}

.section-heading-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
}

.cards-grid,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.portal-card,
.feature-card,
.process-card,
.form-section,
.glass-card,
.grid-card,
.stat-card,
.stat-card-premium,
.status-banner {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.portal-card {
    min-height: 320px;
    padding: 1.25rem;
    cursor: pointer;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 1rem;
    overflow: hidden;
    position: relative;
    color: var(--text-main);
    text-align: left;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}



.portal-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--gold-highlight);
    background: var(--surface-raised);
    box-shadow: 0 20px 40px rgba(216, 173, 74, 0.15);
}

.portal-card.student {
    --card-accent: var(--secondary);
}

.portal-card.faculty {
    --card-accent: var(--primary-lapis);
}

.portal-card.admin {
    --card-accent: var(--warning);
}

/* ==========================================
   ADVANCED UI/UX SUITE CSS
   ========================================== */

/* 1. Custom Sleek Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* 2. Stacked Toast Notifications ("Sonner" Style) */
#toastContainer {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 10000;
    pointer-events: none;
}
.toast-msg {
    background: var(--surface-raised);
    color: var(--text-main);
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.95rem;
    pointer-events: auto;
    animation: slideInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform-origin: bottom right;
}
.toast-msg.toast-success { border-left: 4px solid var(--success); }
.toast-msg.toast-error { border-left: 4px solid var(--error); }
.toast-msg.toast-info { border-left: 4px solid var(--primary-lapis); }
.toast-msg.fade-out {
    animation: fadeOutRight 0.3s forwards;
}

@keyframes slideInUp {
    0% { opacity: 0; transform: translateY(100%) scale(0.9); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeOutRight {
    0% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(100%); }
}

/* 3. Scroll Reveal Animations */
.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 4. 3D Hover Tilt Effect Setup */
.tilt-card {
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* 5. Spotlight Cursor Borders */
.tilt-card {
    position: relative;
    overflow: hidden;
}
.tilt-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px; /* border width */
    background: radial-gradient(
        400px circle at var(--mouse-x, 0) var(--mouse-y, 0), 
        color-mix(in srgb, var(--primary) 40%, transparent),
        transparent 40%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

/* 6. Cinematic Kinetic Typography */
.kinetic-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px) rotateX(-20deg);
    animation: kineticAssemble 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes kineticAssemble {
    0% { opacity: 0; transform: translateY(20px) rotateX(-20deg) scale(0.95); filter: blur(4px); }
    100% { opacity: 1; transform: translateY(0) rotateX(0) scale(1); filter: blur(0); }
}



.portal-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.portal-initial {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    border: 1px solid color-mix(in srgb, var(--card-accent, var(--primary)) 45%, transparent);
    background: color-mix(in srgb, var(--card-accent, var(--primary)) 16%, transparent);
    color: color-mix(in srgb, var(--card-accent, var(--primary)) 88%, white);
    font-size: 1rem;
    font-weight: 900;
}

.portal-status {
    padding: 0.28rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    background: var(--glass);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.portal-card h3,
.feature-card h3,
.process-card h3 {
    color: var(--text-main);
    font-size: 1.22rem;
    line-height: 1.2;
}

.portal-card p,
.feature-card p,
.process-card p {
    color: var(--text-dim);
}

.portal-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: color-mix(in srgb, var(--card-accent, var(--primary)) 86%, white);
    font-weight: 900;
}

.feature-card,
.process-card {
    min-height: 220px;
    padding: 1.25rem;
    display: grid;
    align-content: start;
    gap: 0.85rem;
}

.feature-meter {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--glass-heavy);
}

.feature-meter span {
    display: block;
    height: 100%;
    width: var(--value, 70%);
    background: linear-gradient(90deg, var(--secondary), var(--primary));
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.process-step {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    color: #171208;
    font-weight: 900;
}

.auth-overlay,
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(3, 7, 6, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.auth-overlay.active,
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.auth-modal,
.modal-content {
    width: min(100%, 460px);
    max-height: 92vh;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-solid);
    box-shadow: var(--shadow-lg);
}

.auth-modal {
    padding: 1.25rem;
    transform: translateY(16px) scale(0.98);
    transition: transform 220ms ease;
}

.modal-content {
    padding: 1.25rem;
}

.auth-overlay.active .auth-modal {
    transform: translateY(0) scale(1);
}

.auth-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.auth-modal h2 {
    color: var(--text-main);
    font-size: 1.4rem;
}

.auth-modal p {
    color: var(--text-dim);
}

.close-modal {
    width: 38px;
    height: 38px;
    border-radius: var(--radius);
    display: grid;
    place-items: center;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text-main);
    cursor: pointer;
}

.tab-nav {
    display: flex;
    gap: 0.35rem;
    padding: 0.35rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--glass);
}

.tab {
    flex: 1;
    min-height: 40px;
    padding: 0.55rem 0.7rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    cursor: pointer;
    font-weight: 900;
    transition: background 180ms ease, color 180ms ease;
}

.tab.active {
    background: var(--surface-raised);
    color: var(--gold-highlight);
    box-shadow: var(--shadow-sm);
}

.input-field {
    margin-bottom: 1rem;
}

.label {
    display: block;
    margin-bottom: 0.42rem;
    color: var(--text-dim);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.input,
textarea.input,
select.input {
    width: 100%;
    min-height: 46px;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--bg) 72%, var(--surface-raised));
    color: var(--text-main);
    caret-color: var(--primary);
    transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

textarea.input {
    min-height: 116px;
    resize: vertical;
}

.input::placeholder {
    color: color-mix(in srgb, var(--text-dim) 65%, transparent);
}

.input:focus {
    border-color: var(--border-strong);
    background: color-mix(in srgb, var(--bg) 58%, var(--surface-raised));
    box-shadow: var(--ring);
    outline: 0;
}

select.input,
select.input option {
    color: var(--text-main) !important;
    background: var(--surface-solid) !important;
}

.password-row {
    position: relative;
}

.password-row .input {
    padding-inline-end: 4.5rem;
}

.password-toggle {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-end: 0.4rem;
    min-height: 34px;
    padding: 0 0.55rem;
    transform: translateY(-50%);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--glass);
    color: var(--text-main);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 900;
}

.password-strength {
    height: 7px;
    margin: -0.45rem 0 0.85rem;
    border-radius: 999px;
    overflow: hidden;
    background: var(--glass-heavy);
}

.password-strength span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--error);
    transition: width 180ms ease, background 180ms ease;
}

.password-strength[data-score="2"] span {
    width: 40%;
    background: var(--warning);
    box-shadow: 0 0 10px var(--warning);
}

.password-strength[data-score="3"] span {
    width: 70%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.password-strength[data-score="4"] span {
    width: 100%;
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.auth-error,
#authError {
    color: var(--error);
    font-size: 0.88rem;
    margin: 0.5rem 0 1rem;
    text-align: center;
}

.grid-2,
.grid-3,
.grid-4 {
    display: grid;
    gap: 1rem;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.app-container {
    width: min(1180px, calc(100% - 2rem));
    min-height: 720px;
    margin: 2rem auto;
    display: flex;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
}

.app-sidebar,
.portal-sidebar,
.admin-sidebar,
.sidebar {
    width: 280px;
    min-height: 100vh;
    padding: 2rem 1.25rem;
    border-inline-end: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
    backdrop-filter: blur(18px);
    overflow-y: auto;
}

.app-content,
.portal-main,
.admin-main,
.main-content {
    flex: 1;
    min-width: 0;
    padding: clamp(1.25rem, 3vw, 3rem);
}

.portal-layout,
.admin-layout {
    min-height: 100vh;
    width: 100%;
    background: var(--bg);
}

.view-header {
    margin-bottom: 2rem;
}

.view-title {
    color: var(--text-main);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: 0;
    text-wrap: balance;
}

.view-desc {
    max-width: 760px;
    margin-top: 0.5rem;
    color: var(--text-dim);
}

.nav-item,
.admin-nav-item,
.m-nav-item {
    color: var(--text-dim);
    text-decoration: none;
}

.nav-item,
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 42px;
    padding: 0.7rem 0.8rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 800;
    transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.nav-item:hover,
.nav-item.active,
.admin-nav-item:hover,
.admin-nav-item.active {
    color: var(--text-main);
    background: var(--glass-heavy);
}

.form-section,
.glass-card,
.grid-card,
.status-banner {
    padding: clamp(1rem, 2vw, 1.5rem);
}

.dashboard-section,
.admin-section {
    min-width: 0;
}

.form-section h3,
.grid-card h3,
.status-banner h3 {
    color: var(--text-main);
    margin-bottom: 1rem;
}

.data-table,
table {
    width: 100%;
    border-collapse: collapse;
}

.data-table {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.data-table th,
.data-table td,
table th,
table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    text-align: left;
    vertical-align: middle;
}

.data-table th,
table th {
    background: color-mix(in srgb, var(--surface-raised) 74%, var(--bg));
    color: var(--text-dim);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.data-table tr:hover td {
    background: var(--glass);
}

.badge,
.status-pill,
.glass-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 0.26rem 0.58rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text-main);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge-pending {
    background: rgba(243, 191, 82, 0.14);
    color: var(--warning);
}

.badge-approved,
.status-pill.approved {
    background: rgba(71, 215, 141, 0.14);
    color: var(--success);
}

.badge-rejected {
    background: rgba(255, 107, 107, 0.14);
    color: var(--error);
}

.stats-grid,
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.stat-card,
.stat-card-premium {
    padding: 1.25rem;
}

.stat-val,
.stat-info .val {
    color: var(--gold-highlight);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900;
    line-height: 1;
}

.stat-lbl,
.stat-info h4 {
    margin-top: 0.5rem;
    color: var(--text-dim);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mobile-bottom-nav,
.mobile-nav {
    display: none;
    position: fixed;
    inset-inline: 0;
    inset-block-end: 0;
    z-index: 1200;
    min-height: 70px;
    padding: 0.55rem 0.8rem calc(0.55rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-solid) 94%, transparent);
    backdrop-filter: blur(18px);
}

.mobile-entry-bar {
    display: none;
}

.mobile-entry-item {
    color: var(--text-main);
    text-decoration: none;
}

.m-nav-item {
    display: grid;
    place-items: center;
    gap: 0.16rem;
    padding: 0.35rem;
    border-radius: var(--radius);
    font-size: 0.72rem;
    font-weight: 900;
    cursor: pointer;
}

.m-nav-item.active {
    color: var(--gold-highlight);
}

.m-nav-icon {
    font-size: 1rem;
}

.id-card,
.id-card-wrap {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, rgba(120, 169, 255, 0.22), transparent 38%),
        linear-gradient(315deg, rgba(216, 173, 74, 0.18), transparent 44%),
        #111b27;
    color: #fff;
    box-shadow: var(--shadow-md);
}

.id-photo,
.profile-img-large,
.user-avatar {
    border-radius: var(--radius);
}

.auth-view-container {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 980px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .cards-grid,
    .feature-grid,
    .process-grid,
    .stats-grid,
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-heading-row {
        align-items: start;
        flex-direction: column;
    }

    .app-sidebar,
    .portal-sidebar,
    .admin-sidebar,
    .sidebar {
        width: 100%;
        min-height: auto;
        border-inline-end: 0;
        border-bottom: 1px solid var(--border);
    }

    .app-container {
        flex-direction: column;
    }
}

@media (max-width: 720px) {
    body.landing-page {
        padding-bottom: 86px;
    }

    .navbar {
        min-height: 66px;
        width: min(100% - 1rem, 1180px);
    }

    .brand-text {
        display: none;
    }

    .nav-actions {
        gap: 0.4rem;
    }

    .nav-actions .btn:not(.icon-btn):not(#navLoginBtn) {
        display: none;
    }

    .hero-section {
        min-height: auto;
        padding: 5.3rem 1rem 1.4rem;
    }

    .hero-bg {
        background: linear-gradient(180deg, color-mix(in srgb, var(--bg) 76%, transparent), var(--bg) 78%);
    }

    .nav-actions #navLoginBtn {
        min-width: 72px;
        padding-inline: 0.7rem;
        font-size: 0.88rem;
    }

    .hero-content h1 {
        font-size: clamp(2.15rem, 11vw, 3.15rem);
    }

    .hero-content {
        gap: 0.9rem;
    }

    .bismillah-mark {
        font-size: 1.9rem;
    }

    .pill-badge {
        max-width: 100%;
        padding: 0.42rem 0.55rem;
        font-size: 0.68rem;
        letter-spacing: 0.08em;
    }

    .hero-arabic {
        font-size: 1.45rem;
    }

    .hero-lead {
        font-size: 0.98rem;
    }

    .hero-actions,
    .floating-stats-bar,
    .cards-grid,
    .feature-grid,
    .process-grid,
    .stats-grid,
    .dashboard-grid,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .stats-strip {
        width: min(100% - 1rem, 1180px);
        margin-top: 0;
        padding-bottom: 1.5rem;
    }

    .stats-strip .floating-stats-bar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .hero-actions {
        display: grid;
        gap: 0.65rem;
        margin-top: 0.2rem;
    }

    .hero-actions .btn {
        min-height: 54px;
        width: 100%;
    }

    .floating-stats-bar {
        display: grid;
    }

    .stat-item {
        min-height: auto;
        padding: 0.75rem 0.5rem;
        text-align: center;
    }

    .stat-num {
        font-size: 1.55rem;
    }

    .stat-text {
        font-size: 0.57rem;
        letter-spacing: 0.08em;
    }

    .page-section {
        width: min(100% - 1rem, 1180px);
        padding-block: 2.4rem;
    }

    .section-title {
        font-size: clamp(1.55rem, 8vw, 2.1rem);
    }

    .section-lead {
        font-size: 0.96rem;
    }

    .portal-card {
        min-height: auto;
        padding: 1rem;
        gap: 0.85rem;
    }

    .portal-initial {
        width: 42px;
        height: 42px;
    }

    .portal-card h3,
    .feature-card h3,
    .process-card h3 {
        font-size: 1.08rem;
    }

    .portal-card p,
    .feature-card p,
    .process-card p {
        font-size: 0.94rem;
    }

    .feature-card,
    .process-card {
        min-height: auto;
    }

    .app-content,
    .portal-main,
    .admin-main,
    .main-content {
        padding: 1.1rem;
    }

    .mobile-bottom-nav,
    .mobile-nav {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }

    .mobile-entry-bar {
        position: fixed;
        inset-inline: 0;
        inset-block-end: 0;
        z-index: 1600;
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.4rem;
        padding: 0.6rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom));
        border-top: 1px solid var(--border);
        background: color-mix(in srgb, var(--surface-solid) 94%, transparent);
        backdrop-filter: blur(18px);
        box-shadow: 0 -14px 34px rgba(0, 0, 0, 0.26);
    }

    .mobile-entry-item {
        min-height: 58px;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        background: var(--glass);
        display: grid;
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 0.45rem;
        padding: 0.5rem;
        font-size: 0.78rem;
        font-weight: 900;
    }

    .mobile-entry-item span {
        width: 30px;
        height: 30px;
        border-radius: var(--radius-sm);
        display: grid;
        place-items: center;
        background: var(--gold-gradient);
        color: #171208;
        font-size: 0.68rem;
        font-weight: 900;
    }

    .mobile-entry-item strong {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 460px) {
    .brand-mark {
        width: 38px;
        height: 38px;
    }

    .brand-text strong {
        font-size: 0.9rem;
    }

    .nav-actions #navLoginBtn {
        padding-inline: 0.7rem;
    }

    .auth-modal {
        padding: 1rem;
    }

    .tab {
        font-size: 0.82rem;
    }
}

/* ==========================================
   PORTAL & DASHBOARD LAYOUTS
   ========================================== */

.portal-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100svh;
    background: var(--bg);
}

.app-sidebar,
.portal-sidebar,
.sidebar {
    background: var(--surface);
    backdrop-filter: blur(24px);
    border-inline-end: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}

.main-content {
    padding: clamp(1.5rem, 5vw, 4rem);
    overflow-y: auto;
    max-height: 100vh;
    width: 100%;
}

.sidebar-overlay {
    display: none;
}

.mobile-top-bar {
    display: none;
}

.view-header {
    margin-bottom: 2.5rem;
}

.view-title {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.view-desc {
    color: var(--text-dim);
    font-size: 1rem;
}

.nav-item {
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 200ms ease;
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    user-select: none;
}

.nav-item:hover {
    background: var(--glass);
    color: var(--text-main);
}

.nav-item.active {
    background: var(--glass-heavy);
    color: var(--gold-highlight);
    box-shadow: inset 4px 0 0 var(--primary);
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 1.15rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: rgba(0, 0, 0, 0.24);
    color: var(--text-dim);
    font-size: 0.76rem;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 0.1em;
}

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

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Action Buttons */
.action-btn {
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-weight: 800;
    font-size: 0.78rem;
    transition: opacity 180ms ease;
}

.action-btn:hover {
    opacity: 0.84;
}

.btn-approve { background: rgba(71, 215, 141, 0.16); color: var(--success); }
.btn-reject { background: rgba(255, 107, 107, 0.16); color: var(--error); }
.btn-action { background: rgba(120, 169, 255, 0.16); color: var(--primary-lapis); }

/* ID Card Styles */
.id-card-container {
    perspective: 1000px;
    margin: 2rem auto;
    width: fit-content;
}

.id-card {
    width: 380px;
    background: linear-gradient(135deg, #111d1a, #07110f);
    border: 1px solid var(--border-strong);
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.id-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(216, 173, 74, 0.08), transparent 70%);
    pointer-events: none;
}

.id-header {
    text-align: center;
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.id-header h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--gold-highlight);
    letter-spacing: 0.05em;
}

.id-photo {
    width: 120px;
    height: 150px;
    background: var(--surface-raised);
    margin: 0 auto 1.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    object-fit: cover;
    display: block;
}

.id-details p {
    font-size: 0.88rem;
    margin-bottom: 0.45rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.id-details strong {
    color: var(--muted);
    font-weight: 500;
}

.id-number {
    text-align: center;
    font-size: 1.6rem;
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--accent);
    margin-top: 1.5rem;
    letter-spacing: 0.15em;
    text-shadow: 0 0 12px rgba(239, 180, 67, 0.2);
}

/* Attendance Buttons */
.btn-att {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text-dim);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.btn-att:hover {
    border-color: var(--primary);
    background: var(--glass-heavy);
}

.btn-att.active.btn-p {
    background: var(--success-glow) !important;
    color: var(--success) !important;
    border-color: var(--success) !important;
    box-shadow: 0 0 10px var(--success-glow);
}

.btn-att.active.btn-a {
    background: var(--error-glow) !important;
    color: var(--error) !important;
    border-color: var(--error) !important;
    box-shadow: 0 0 10px var(--error-glow);
}

.btn-att.active.btn-l {
    background: var(--primary-glow) !important;
    color: var(--primary) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Subject Badges */
.badge {
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Premium Animations & Utilities */
.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

.skeleton {
    background: linear-gradient(90deg, var(--surface-solid) 25%, var(--surface-raised) 50%, var(--surface-solid) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: var(--radius-sm);
    color: transparent !important;
    pointer-events: none;
    user-select: none;
}

.skeleton * {
    visibility: hidden;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Premium Enhancements */

/* Smooth Theme Transitions */
body, .portal-card, .glass-card, .nav-wrapper, .modal-content, .input, .btn, .surface, .main-content {
    transition: background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}

/* Scroll Reveal */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Toast Notifications */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--glass-heavy);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transform: translateY(100px) scale(0.9);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    z-index: 9999;
}
.toast-notification.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.toast-notification .toast-icon {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
}
.toast-notification.success .toast-icon {
    color: var(--success);
    background: var(--success-glow);
}
.toast-notification.error .toast-icon {
    color: var(--error);
    background: rgba(239, 68, 68, 0.15);
}

/* Beautiful Empty States */
.empty-state-card {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--glass-heavy);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    margin: 1rem 0;
}
.empty-state-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}
.empty-state-card h3 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
}
.empty-state-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Academic Calendar */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--glass-heavy);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.calendar-grid-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.calendar-grid-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--surface-hover);
    border-bottom: 1px solid var(--border);
}

.calendar-grid-header div {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--border);
    gap: 1px;
}

.calendar-day {
    background: var(--surface);
    min-height: 120px;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: background-color 0.2s ease;
}

.calendar-day:hover {
    background: var(--surface-hover);
}

.calendar-day.empty {
    background: var(--surface);
    opacity: 0.3;
}

.calendar-day.today .day-number {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.day-number {
    font-weight: 500;
    color: var(--text-main);
    align-self: flex-start;
    margin-bottom: 0.25rem;
}

.event-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.2s ease;
}

.event-badge:hover {
    opacity: 0.8;
}

.event-holiday {
    background: var(--error);
    box-shadow: 0 0 5px rgba(239, 68, 68, 0.4);
}

.event-exam {
    background: var(--gold-base);
    box-shadow: 0 0 5px rgba(212, 175, 55, 0.4);
}

.event-general {
    background: var(--primary);
    box-shadow: 0 0 5px rgba(37, 99, 235, 0.4);
}

/* Floating Action Button (FAB) Menu */
.fab-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 1rem;
}

.fab-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-end;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fab-container.active .fab-actions {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.fab-action {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.2s ease;
}

.fab-action:hover {
    background: var(--surface-hover);
    transform: scale(1.05);
}

.fab-main {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gold-base);
    color: var(--bg);
    border: none;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(212, 175, 55, 0.4);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}

.fab-container.active .fab-main {
    transform: rotate(45deg);
    background: var(--error);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

/* Drag and Drop visual cues */
.subject-card[draggable="true"] {
    cursor: grab;
}
.subject-card[draggable="true"]:active {
    cursor: grabbing;
}
.subject-card.dragging {
    opacity: 0.5;
    border: 2px dashed var(--gold-base);
    transform: scale(0.98);
}
.subject-card.drag-over {
    border-top: 3px solid var(--gold-base);
    transform: translateY(2px);
}

.analytics-dashboard { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }
@media (max-width: 900px) { .analytics-dashboard { grid-template-columns: 1fr; } }

/* Hide install button when already running as a PWA app */
@media all and (display-mode: standalone) {
    #installAppBtn, .pwa-install-btn, .install-app-btn {
        display: none !important;
    }
}