/* VortisLink Admin — Modern Dark UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --primary-glow: #6366f122;
    --accent: #22d3ee;
    --success: #34d399;
    --danger: #f87171;
    --warning: #fbbf24;

    --bg-0: #09090b;
    --bg-1: #0f0f14;
    --bg-2: #18181f;
    --bg-3: #1f1f28;
    --bg-4: #27272f;

    --text-0: #fafafa;
    --text-1: #d4d4d8;
    --text-2: #a1a1aa;
    --text-3: #71717a;

    --border: #27272a;
    --border-hover: #3f3f46;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-0);
    color: var(--text-0);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ===== LOGIN ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-0);
    background-image:
        radial-gradient(ellipse at 20% 50%, #6366f108 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, #22d3ee06 0%, transparent 50%);
}

.login-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--shadow);
}

.login-card h1 {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.subtitle { color: var(--text-3); font-size: 14px; margin-bottom: 32px; }

.error-msg {
    background: #f8717122;
    color: var(--danger);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    border: 1px solid #f8717133;
}

/* ===== LAYOUT ===== */
.admin-layout { display: flex; min-height: 100vh; overflow-x: hidden; max-width: 100vw; }

.sidebar {
    width: 240px;
    background: var(--bg-1);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    font-size: 22px;
    font-weight: 800;
    padding: 0 24px 24px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 24px;
    color: var(--text-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover { color: var(--text-0); background: var(--bg-2); }
.nav-item.active { color: var(--primary); background: var(--primary-glow); border-left-color: var(--primary); }

.main-content {
    flex: 1;
    padding: 32px;
    overflow-y: visible;
    background: var(--bg-0);
    min-width: 0;
}

/* ===== HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.slug-badge {
    padding: 6px 14px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-2);
    font-family: 'JetBrains Mono', monospace;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 0 20px var(--primary-glow); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    background: var(--bg-3);
    color: var(--text-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: inherit;
}
.btn-secondary:hover { border-color: var(--border-hover); background: var(--bg-4); }

.btn-danger {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    transition: var(--transition);
}
.btn-danger:hover { opacity: 0.85; }

.btn-full { width: 100%; }
.btn-sm { font-size: 13px; padding: 8px 16px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }
.btn-small { font-size: 12px; padding: 6px 14px; border-radius: var(--radius-sm); }

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-0);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder { color: var(--text-3); }

.form-group input[type="color"] {
    height: 44px;
    padding: 4px;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.form-group input[type="file"] { padding: 8px; }

.form-row { display: flex; gap: 10px; margin-top: 16px; }
.form-row-2 { display: flex; gap: 12px; }
.form-row-2 .form-group { flex: 1; }

.form-row-hours {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.day-label {
    width: 90px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
}

.hour-input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-0);
    font-size: 13px;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.card:hover { border-color: var(--border-hover); }

.card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-0);
}

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.stat-value {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label { font-size: 12px; color: var(--text-3); margin-top: 4px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== SITES GRID ===== */
.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-0);
}

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}

.site-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    overflow: hidden;
    word-break: break-word;
}

.site-card:hover { border-color: var(--border-hover); }

.site-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }

.site-logo-sm { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.site-logo-placeholder {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700; color: white;
}

.site-name { font-weight: 700; font-size: 16px; }
.site-slug { font-size: 13px; color: var(--text-3); font-family: monospace; }
.site-stats-row { font-size: 13px; color: var(--text-3); margin-bottom: 12px; }
.site-actions { display: flex; gap: 8px; }

/* ===== EDITOR ===== */
.editor-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
}

.editor-form { display: flex; flex-direction: column; gap: 0; }

.editor-preview { position: sticky; top: 32px; }

.preview-frame {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    height: 700px;
}

.preview-frame iframe { width: 100%; height: 100%; border: none; }

.preview-img { max-width: 80px; height: 80px; object-fit: cover; border-radius: 8px; margin-top: 8px; }
.preview-cover { max-width: 200px; height: 80px; border-radius: 8px; }

/* ===== LINK EDITOR ===== */
.link-item {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    padding: 10px;
    background: var(--bg-1);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.link-item select, .link-item input {
    padding: 7px 10px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-0);
    font-size: 13px;
    font-family: inherit;
}

.link-type { width: 100px; }
.link-label { flex: 1; }
.link-url { flex: 2; }
.link-icon { width: 80px; }

/* Menu editor */
.menu-edit-item {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    padding: 10px;
    background: var(--bg-1);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.menu-edit-item input {
    padding: 7px 10px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-0);
    font-size: 13px;
    flex: 1;
    font-family: inherit;
}

/* ===== QR PAGE ===== */
.qr-page { max-width: 600px; }
.qr-card { text-align: center; }
.qr-preview { margin: 20px 0; }
.qr-preview img { max-width: 280px; border-radius: var(--radius); }
.qr-preview p { color: var(--text-3); }
.qr-url { font-family: monospace; color: var(--text-2); font-size: 14px; margin-bottom: 16px; }
.qr-actions { display: flex; gap: 10px; justify-content: center; }
.tips-list { padding-left: 20px; }
.tips-list li { color: var(--text-2); font-size: 14px; margin-bottom: 8px; }

/* ===== MODAL ===== */
.modal {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-content h2 {
    margin-bottom: 24px;
    font-size: 22px;
    font-weight: 800;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-3);
    grid-column: 1 / -1;
}

.loading {
    text-align: center;
    padding: 48px;
    color: var(--text-3);
    grid-column: 1 / -1;
}

/* ===== RESPONSIVE ===== */

/* Sidebar e main content si adattano sempre */
.main-content { min-width: 0; }

/* Finestra media — sidebar collassa */
@media (max-width: 1100px) {
    .sidebar { width: 200px; }
    .sidebar-logo { font-size: 18px; padding: 0 16px 20px; }
    .nav-item { padding: 10px 16px; font-size: 13px; }
    .main-content { padding: 24px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Finestra piccola — sidebar orizzontale */
@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .sidebar {
        width: 100%; flex-direction: row; overflow-x: auto; padding: 8px 12px;
        border-right: none; border-bottom: 1px solid var(--border);
        align-items: center; gap: 0; flex-shrink: 0;
    }
    .sidebar-logo { padding: 0 12px 0 0; font-size: 18px; }
    .nav-item { white-space: nowrap; padding: 8px 14px; border-left: none; border-bottom: 2px solid transparent; font-size: 13px; }
    .nav-item.active { border-left: none; border-bottom-color: var(--primary); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 14px 10px; }
    .stat-value { font-size: 22px; }
    .stat-label { font-size: 10px; }
    .editor-grid { grid-template-columns: 1fr; }
    .editor-preview { display: none; }
    .main-content { padding: 12px; overflow-x: hidden; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .page-header h1 { font-size: 20px; }
    .header-actions { width: 100%; }
    .form-row-2 { flex-direction: column; gap: 0; }
    .sites-grid { grid-template-columns: 1fr; }
    .card { padding: 14px; }
    .modal-content { margin: 12px; padding: 20px; max-width: calc(100vw - 24px); }
    .site-card-header { flex-wrap: wrap; }
    .site-actions { flex-wrap: wrap; }
    .btn-primary, .btn-secondary, .btn-danger { font-size: 12px; padding: 8px 12px; }
    .section-title { font-size: 16px; }
    .slug-badge { font-size: 11px; padding: 4px 10px; }
}