/* ─── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-body: #0f0f1a;
    --bg-sidebar: #14141f;
    --bg-card: #1a1a2e;
    --bg-input: #22223a;
    --bg-hover: #2a2a45;
    --border: #2a2a45;
    --text: #e8e8f0;
    --text-muted: #8888a0;
    --primary: #6366f1;
    --primary-hover: #5558e6;
    --success: #22c55e;
    --error: #ef4444;
    --danger: #dc2626;
    --warning: #f59e0b;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background: var(--bg-body);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }

/* ─── Login Page ──────────────────────────────── */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header h1 { font-size: 1.5rem; font-weight: 700; }
.login-header p { color: var(--text-muted); font-size: 0.875rem; margin-top: 0.25rem; }

/* ─── App Layout ──────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────────── */
.sidebar {
    width: 220px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}
.sidebar-brand h2 { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em; }

.sidebar-nav {
    flex: 1;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item.active svg { opacity: 1; }

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}
.user-name { color: var(--text-muted); }
.logout-link { color: var(--text-muted); }
.logout-link:hover { color: var(--error); }

/* ─── Main Content ────────────────────────────── */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
}

/* ─── Page Header ─────────────────────────────── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; }
.page-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

.event-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

/* ─── Alerts ──────────────────────────────────── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}
.alert-error { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: rgba(34,197,94,0.15); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }
.alert-warning { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }

/* ─── Buttons ─────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-full { width: 100%; justify-content: center; }

/* ─── Forms ───────────────────────────────────── */
.form-container {
    max-width: 720px;
}

.form-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}
.form-section h2 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }

.form-group {
    margin-bottom: 1rem;
}
.form-group:last-child { margin-bottom: 0; }

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input[type="color"] {
    width: 48px;
    height: 36px;
    padding: 2px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.form-group input[type="file"] {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.form-group small { display: block; margin-top: 0.25rem; color: var(--text-muted); font-size: 0.75rem; }

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem !important;
    color: var(--text) !important;
}
.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.form-row { }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

.form-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

/* ─── Events Grid ─────────────────────────────── */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

.event-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.15s, box-shadow 0.15s;
    color: var(--text);
}
.event-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.event-thumb {
    aspect-ratio: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.event-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.event-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.event-info {
    padding: 0.75rem;
}
.event-info h3 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.event-date { font-size: 0.75rem; color: var(--text-muted); }
.event-count { font-size: 0.75rem; color: var(--text-muted); display: block; }

/* ─── Stats Grid ──────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}
.stat-value { font-size: 2rem; font-weight: 700; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.15rem; }

/* ─── Cards ───────────────────────────────────── */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}
.card h2 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.card-header h2 { margin-bottom: 0; }
.card-danger { border: 1px solid rgba(220,38,38,0.3); }
.card-danger h2 { color: var(--error); }

.text-muted { color: var(--text-muted); font-size: 0.8rem; }

/* ─── Link Rows ───────────────────────────────── */
.link-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}
.link-row:last-child { border-bottom: none; }
.link-row label { font-size: 0.8rem; color: var(--text-muted); min-width: 100px; }
.link-value code {
    font-size: 0.8rem;
    background: var(--bg-input);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    word-break: break-all;
}

/* ─── Photos Grid ─────────────────────────────── */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

.photo-thumb {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 1/3;
    background: var(--bg-input);
    cursor: pointer;
    transition: transform 0.15s;
}
.photo-thumb:hover {
    transform: scale(1.02);
}
.photo-thumb a { display: block; width: 100%; height: 100%; }
.photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.35rem 0.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.photo-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}
.photo-thumb:hover .photo-actions { opacity: 1; }
.photo-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    transition: background 0.15s;
    padding: 0;
    text-decoration: none;
}
.photo-action-btn:hover { background: rgba(255,255,255,0.3); }
.photo-action-delete:hover { background: rgba(239,68,68,0.6); }
.photo-code { font-size: 0.65rem; color: #fff; opacity: 0.8; font-family: monospace; }

/* ─── Badges ──────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-active { background: rgba(34,197,94,0.2); color: var(--success); }
.badge-archived { background: rgba(136,136,160,0.2); color: var(--text-muted); }

/* ─── Empty State ─────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.empty-state p { margin-bottom: 1rem; }

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .events-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
}