:root {
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #a855f7;
    --accent: #22d3ee;
    --bg-dark: #070b14;
    --card-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --error: #f43f5e;
    --success: #10b981;
    --radius-xl: 32px;
    --radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-dark);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(34, 211, 238, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.login-page {
    justify-content: center;
    align-items: center;
}

.glass-container {
    padding: 1.5rem;
    width: 100%;
    max-width: 480px;
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, var(--primary) 60deg, transparent 120deg);
    animation: rotateConic 10s linear infinite;
    opacity: 0.05;
    z-index: -1;
}

@keyframes rotateConic {
    100% {
        transform: rotate(360deg);
    }
}

.login-card h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.02em;
}

#install-btn {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(22, 163, 74, 0.2)) !important;
    border: 1px solid rgba(34, 197, 94, 0.3) !important;
    color: #4ade80 !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#install-btn:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(22, 163, 74, 0.3)) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.2);
}

.login-card h1 i {
    -webkit-text-fill-color: var(--accent);
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.input-group {
    text-align: left;
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.input-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    outline: none;
    transition: all 0.3s;
}

.input-group input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 1.1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1rem;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 25px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: scale(0.98);
}

.alert {
    padding: 1rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.alert.error {
    background: rgba(244, 63, 94, 0.1);
    color: var(--error);
    border-color: rgba(244, 63, 94, 0.2);
}

.alert.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.logout-link {
    color: var(--error);
    text-decoration: none;
    font-weight: 500;
}

.late-indicator {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    padding: 2px 8px;
}

/* Footer Styling */
.app-footer {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: auto;
}

.app-footer strong {
    color: var(--accent);
    font-weight: 600;
}

/* Dashboard Navigation */
.dashboard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2.5rem;
    background: rgba(7, 11, 20, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.3s, background 0.3s;
}

.card:hover {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(255, 255, 255, 0.15);
}

.clock-card {
    text-align: center;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent),
        var(--card-bg);
}

#digital-clock {
    font-size: 4rem;
    font-weight: 800;
    margin: 1.5rem 0;
    font-variant-numeric: tabular-nums;
    color: #fff;
    text-shadow: 0 0 30px var(--primary-glow);
}

.target-time {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.highlight {
    color: #fff;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 8px;
}

.info-list .info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.info-list .info-item .label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.info-list .info-item .value {
    font-weight: 600;
}

.status-badge {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-valid {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.status-invalid {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

/* Modern Table Styling */
.attendance-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin-top: 1rem;
}

.attendance-table th {
    padding: 1.2rem 1rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--glass-border);
}

.attendance-table td {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.2s;
}

.attendance-table tr td:first-child {
    border-left: 1px solid var(--glass-border);
    border-radius: 12px 0 0 12px;
}

.attendance-table tr td:last-child {
    border-right: 1px solid var(--glass-border);
    border-radius: 0 12px 12px 0;
}

.attendance-table tr:hover td {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.scroll-area {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid var(--glass-border);
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

.accordion-content {
    padding-top: 1.5rem;
    display: none;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.logout-link {
    color: var(--error);
    text-decoration: none;
    font-weight: 500;
}

.late-indicator {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: 10px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

@media (max-width: 640px) {
    #digital-clock {
        font-size: 2.5rem;
    }
}

/* Camera Placeholder Styles */
#photo-placeholder:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: scale(1.01);
}

#photo-placeholder:active {
    transform: scale(0.98);
}

#captured-img {
    animation: fadeIn 0.5s ease-out;
}

.attendance-table img {
    transition: transform 0.2s;
    cursor: zoom-in;
}

.attendance-table img:hover {
    transform: scale(1.1);
}