/* ========== CSS VARIABLES ========== */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(255,255,255,0.05);
    --bg-card-hover: rgba(255,255,255,0.08);
    --border-color: rgba(255,255,255,0.1);
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0b0;
    --text-muted: #6c757d;
    --accent-blue: #4f8ef7;
    --accent-green: #2dd4bf;
    --accent-red: #f87171;
    --accent-yellow: #fbbf24;
    --accent-purple: #a78bfa;
    --blur: blur(20px);
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --radius: 16px;
    --radius-sm: 10px;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #e8eaf0;
    --bg-card: rgba(255,255,255,0.7);
    --bg-card-hover: rgba(255,255,255,0.9);
    --border-color: rgba(0,0,0,0.08);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #888;
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* ========== BASE ========== */
*, *::before, *::after { box-sizing: border-box; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    background-attachment: fixed;
}

[data-theme="light"] body {
    background: linear-gradient(135deg, #f0f2f5 0%, #e8eaf0 100%);
    background-attachment: fixed;
}

/* ========== GLASS COMPONENTS ========== */
.glass {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.glass-nav {
    background: rgba(15,15,26,0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.6rem 0;
}

[data-theme="light"] .glass-nav {
    background: rgba(255,255,255,0.85) !important;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.glass-alert {
    backdrop-filter: var(--blur);
    border-radius: var(--radius-sm);
}

.glass-dropdown {
    background: var(--bg-secondary) !important;
    backdrop-filter: var(--blur);
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow) !important;
}

.glass-dropdown .dropdown-item {
    color: var(--text-primary) !important;
    padding: 0.6rem 1rem;
    transition: background 0.2s;
}

.glass-dropdown .dropdown-item:hover {
    background: var(--bg-card-hover) !important;
}

/* ========== NAVBAR ========== */
.brand-logo {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary) !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    padding: 0.5rem 0.8rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    font-size: 0.9rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
    background: var(--bg-card);
}

/* ========== AVATAR ========== */
.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: white;
}

.user-menu {
    display: flex;
    align-items: center;
    color: var(--text-primary) !important;
}

/* ========== STAT CARDS ========== */
.stat-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.08;
}

.stat-card.blue::before { background: var(--accent-blue); }
.stat-card.green::before { background: var(--accent-green); }
.stat-card.red::before { background: var(--accent-red); }
.stat-card.purple::before { background: var(--accent-purple); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.stat-icon.blue { background: rgba(79,142,247,0.15); color: var(--accent-blue); }
.stat-icon.green { background: rgba(45,212,191,0.15); color: var(--accent-green); }
.stat-icon.red { background: rgba(248,113,113,0.15); color: var(--accent-red); }
.stat-icon.purple { background: rgba(167,139,250,0.15); color: var(--accent-purple); }
.stat-icon.yellow { background: rgba(251,191,36,0.15); color: var(--accent-yellow); }

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* ========== TABLES ========== */
.glass-table {
    width: 100%;
    border-collapse: collapse;
}

.glass-table th {
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.glass-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text-primary);
    font-size: 0.9rem;
    vertical-align: middle;
}

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

/* ========== BUTTONS ========== */
.btn-glass {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1.2rem;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-glass:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-1px);
}

.btn-glow-blue {
    background: linear-gradient(135deg, #4f8ef7, #6366f1);
    border: none;
    color: white;
    border-radius: 50px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(79,142,247,0.4);
    transition: all 0.3s;
    width: 100%;
}

.btn-glow-blue:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(79,142,247,0.6);
    color: white;
}

.btn-glow-green {
    background: linear-gradient(135deg, #2dd4bf, #10b981);
    border: none;
    color: white;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 25px rgba(45,212,191,0.4);
    transition: all 0.3s;
    width: 100%;
}

.btn-glow-green:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 35px rgba(45,212,191,0.6);
    color: white;
}

.btn-glow-red {
    background: linear-gradient(135deg, #f87171, #ef4444);
    border: none;
    color: white;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 25px rgba(248,113,113,0.4);
    transition: all 0.3s;
    width: 100%;
}

.btn-glow-red:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 35px rgba(248,113,113,0.6);
    color: white;
}

/* ========== FORMS ========== */
.form-control, .form-select {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.7rem 1rem !important;
    transition: border-color 0.2s, box-shadow 0.2s !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 0 3px rgba(79,142,247,0.15) !important;
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
}

.form-control::placeholder { color: var(--text-muted) !important; }

.form-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

/* ========== BADGES ========== */
.badge-sm { font-size: 0.65rem; }

.status-badge {
    padding: 0.25rem 0.65rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-active { background: rgba(45,212,191,0.15); color: var(--accent-green); border: 1px solid rgba(45,212,191,0.3); }
.status-inactive { background: rgba(248,113,113,0.15); color: var(--accent-red); border: 1px solid rgba(248,113,113,0.3); }
.status-pending { background: rgba(251,191,36,0.15); color: var(--accent-yellow); border: 1px solid rgba(251,191,36,0.3); }
.status-loggedin { background: rgba(45,212,191,0.15); color: var(--accent-green); border: 1px solid rgba(45,212,191,0.3); }
.status-loggedout { background: rgba(107,114,128,0.15); color: #9ca3af; border: 1px solid rgba(107,114,128,0.3); }

/* ========== LOGIN PAGE ========== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0d1b4b 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(79,142,247,0.08) 0%, transparent 60%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.login-card {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

/* ========== ATTENDANCE BUTTONS ========== */
.attendance-btn-wrap {
    padding: 1.5rem;
}

.location-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.location-inside {
    background: rgba(45,212,191,0.1);
    border: 1px solid rgba(45,212,191,0.3);
    color: var(--accent-green);
}

.location-outside {
    background: rgba(248,113,113,0.1);
    border: 1px solid rgba(248,113,113,0.3);
    color: var(--accent-red);
}

.location-loading {
    background: rgba(251,191,36,0.1);
    border: 1px solid rgba(251,191,36,0.3);
    color: var(--accent-yellow);
}

/* ========== CAMERA ========== */
#cameraContainer {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    aspect-ratio: 4/3;
}

#videoPreview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

#capturedPhoto {
    width: 100%;
    border-radius: var(--radius);
    display: none;
}

.camera-overlay {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
}

.capture-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    border: 3px solid rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
    font-size: 1.5rem;
}

.capture-btn:active { transform: scale(0.9); }

/* ========== PAGE HEADER ========== */
.page-header {
    padding: 1.5rem 0 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .stat-number { font-size: 1.6rem; }
    .page-title { font-size: 1.2rem; }
    .glass-table { font-size: 0.8rem; }
    .glass-table th, .glass-table td { padding: 0.6rem 0.5rem; }
    .btn-glow-green, .btn-glow-red { padding: 0.85rem 1.5rem; font-size: 1rem; }
}

@media (max-width: 576px) {
    .container-fluid { padding-left: 0.75rem !important; padding-right: 0.75rem !important; }
    .glass-card { border-radius: 12px; }
    .stat-card { padding: 1rem; }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ========== PULSE ANIMATION ========== */
.pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-green);
    display: inline-block;
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* ========== MISC ========== */
.text-accent-blue { color: var(--accent-blue); }
.text-accent-green { color: var(--accent-green); }
.text-accent-red { color: var(--accent-red); }
.text-accent-yellow { color: var(--accent-yellow); }
.text-muted-light { color: var(--text-secondary); }

.divider { border-color: var(--border-color); }

.section-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.photo-thumb {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.modal-glass .modal-content {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius) !important;
    color: var(--text-primary) !important;
}

.working-time-badge {
    background: rgba(167,139,250,0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(167,139,250,0.3);
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}