@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;850&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

@keyframes spin {
    to { transform: rotate(360deg); }
}

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --accent-indigo: #6366f1;
    --accent-violet: #8b5cf6;
    --accent-rose: #f43f5e;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-sky: #0ea5e9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-light: rgba(15, 23, 42, 0.05);
    --border-medium: rgba(15, 23, 42, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.03), 0 1px 2px -1px rgba(15, 23, 42, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.04), 0 2px 4px -2px rgba(15, 23, 42, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    --gradient-warm: linear-gradient(135deg, #f43f5e, #f59e0b);
    --gradient-cool: linear-gradient(135deg, #0ea5e9, #6366f1);
    --gradient-surface: linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.8) 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

/* ── Utilities ── */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hover-glow:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--border-glow);
    transform: translateY(-2px);
}


/* ── Modal Overlay ── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 17, 23, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9000;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-overlay .card {
    transform: scale(0.96);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 32px 80px -16px rgba(15, 17, 23, 0.24), 0 12px 32px -6px rgba(15, 17, 23, 0.1);
    max-height: 90vh;
    overflow-y: auto;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

h1, h2, h3, h4, .logo, .section-title, .card-title, .hero-title, .brand-title, .feature-heading {
    font-family: 'Outfit', sans-serif;
    font-weight: 750;
    letter-spacing: -0.03em;
}

/* ─── App Container ─── */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

/* ─── Premium Header ─── */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2.5rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 2.5rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.01), 0 4px 20px -8px rgba(0, 0, 0, 0.02);
}

.logo {
    font-size: 1.5rem;
    font-weight: 850;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.04em;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-indigo);
    background: rgba(79, 70, 229, 0.06);
}

/* ─── Stat Cards ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-medium);
}

.stat-card h3 {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.stat-card .value {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.04em;
    line-height: 1;
}

.stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    box-shadow: inset 0 -2px 4px rgba(0,0,0,0.02);
}

.stat-icon.purple { background: rgba(79, 70, 229, 0.08); }
.stat-icon.emerald { background: rgba(5, 150, 105, 0.08); }
.stat-icon.amber { background: rgba(217, 119, 6, 0.08); }
.stat-icon.rose { background: rgba(225, 29, 72, 0.08); }
.stat-icon.sky { background: rgba(2, 132, 199, 0.08); }

/* ─── Cards ─── */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.75rem 1.75rem;
    background: var(--text-primary);
    color: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 12px rgba(15, 17, 23, 0.08);
}

.btn:hover {
    background: #232735;
    transform: translateY(-1px) scale(1.01);
    box-shadow: 0 8px 24px rgba(15, 17, 23, 0.16);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 0.45rem 1rem;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-danger {
    background: var(--accent-rose);
    color: white;
    box-shadow: 0 4px 12px rgba(225, 29, 72, 0.15);
}

.btn-danger:hover {
    background: #be123c;
    box-shadow: 0 8px 24px rgba(225, 29, 72, 0.25);
}

/* ─── Upload / Dropzone ─── */
.dropzone {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--bg-primary);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent-indigo);
    background: rgba(79, 70, 229, 0.02);
}

.dropzone-icon {
    font-size: 2.75rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.dropzone:hover .dropzone-icon {
    color: var(--accent-indigo);
    transform: translateY(-4px);
}

/* ─── Form Inputs ─── */
.form-input {
    width: 100%;
    padding: 0.75rem 1.15rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 4px rgba(15, 17, 23, 0.05);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 650;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ─── Section Titles ─── */
.section-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-top: -1.25rem;
    margin-bottom: 1.75rem;
}

/* ─── Gallery Grid ─── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium);
}

.gallery-thumb {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.gallery-item:hover .gallery-thumb {
    transform: scale(1.02);
}

.gallery-info {
    padding: 1rem 1.25rem;
}

.gallery-info .name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-info .details {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ─── Event Cards ─── */
.event-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-medium);
}

.event-card-header {
    padding: 1.5rem 1.75rem 1.25rem;
    cursor: pointer;
}

.event-card-title {
    font-size: 1.15rem;
    font-weight: 850;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-card-footer {
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.event-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.event-card-actions {
    display: flex;
    gap: 6px;
}

.event-card-actions a,
.event-card-actions button {
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    background: none;
}

.action-edit, .action-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-weight: 650;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.action-edit {
    color: var(--accent-indigo);
    background: rgba(79, 70, 229, 0.08);
}

.action-edit:hover {
    background: rgba(79, 70, 229, 0.16);
    transform: translateY(-1px);
}

.action-delete {
    color: var(--accent-rose);
    background: rgba(225, 29, 72, 0.08);
}

.action-delete:hover {
    background: rgba(225, 29, 72, 0.16);
    transform: translateY(-1px);
}

/* ─── Face Group Cards ─── */
.face-group-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.face-group-card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--border-medium);
}

.face-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.face-group-name {
    font-weight: 750;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: 'Outfit', sans-serif;
}

.face-group-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.face-group-thumbs {
    display: flex;
    gap: 8px;
    margin-bottom: 1.25rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.face-group-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    transition: var(--transition);
    border: 1.5px solid var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.face-group-thumb:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.face-group-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 1rem;
}

.face-group-path {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Data Tables ─── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 1rem 1.5rem;
    border-bottom: 1.5px solid var(--border-medium);
}

.data-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.88rem;
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: rgba(15, 17, 23, 0.01);
}

/* ─── Badges ─── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.01em;
}

.badge-purple { background: rgba(124, 58, 237, 0.08); color: var(--accent-violet); }
.badge-emerald { background: rgba(5, 150, 105, 0.08); color: var(--accent-emerald); }
.badge-rose { background: rgba(225, 29, 72, 0.08); color: var(--accent-rose); }
.badge-amber { background: rgba(217, 119, 6, 0.08); color: var(--accent-amber); }
.badge-sky { background: rgba(2, 132, 199, 0.08); color: var(--accent-sky); }

/* ─── Progress Bar ─── */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Overlay Buttons ─── */
.delete-img-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(225, 29, 72, 0.8);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
}

.gallery-item:hover .delete-img-btn {
    opacity: 1;
}

.delete-img-btn:hover {
    background: var(--accent-rose);
    transform: scale(1.08);
}

/* ─── Toast System ─── */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    min-width: 320px;
    background: var(--text-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

@keyframes slideIn {
    from { transform: translateX(100%) translateY(10px); opacity: 0; }
    to { transform: translateX(0) translateY(0); opacity: 1; }
}

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 750;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    max-width: 360px;
    margin: 0 auto;
}