/* ==========================================================================
   Olis Admin — Clean White & Blue Theme
   ========================================================================== */

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

/* ── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #f5f7fa;
    --bg-sidebar: #ffffff;
    --bg-topbar: rgba(255, 255, 255, 0.92);

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-heading: #0f172a;

    --accent: #2563eb;
    --accent-hover: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.12);
    --accent-gradient: linear-gradient(135deg, #2563eb, #3b82f6);
    --accent-light: #eff6ff;

    --success: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.08);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --danger: #dc2626;
    --danger-bg: rgba(220, 38, 38, 0.08);
    --info: #0891b2;
    --info-bg: rgba(8, 145, 178, 0.08);

    --border: #e2e8f0;
    --border-hover: #cbd5e1;

    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);

    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --topbar-height: 64px;

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Login Page ────────────────────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #bfdbfe 100%);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%);
    top: -150px; right: -150px;
    animation: pulse-glow 5s ease-in-out infinite;
}

.login-wrapper::after {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06), transparent 70%);
    bottom: -120px; left: -120px;
    animation: pulse-glow 5s ease-in-out infinite 2.5s;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.login-card {
    width: 420px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.1), 0 1px 3px rgba(0,0,0,0.04);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 32px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

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

/* ── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
    transition: width var(--transition-slow);
    overflow: hidden;
    box-shadow: 1px 0 0 var(--border);
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 65px;
}

.sidebar-header .logo-img {
    width: 36px; height: 36px;
    object-fit: contain;
    flex-shrink: 0;
}

.sidebar.collapsed .logo-img {
    width: 32px; height: 32px;
}

.sidebar-header .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-heading);
    white-space: nowrap;
    transition: opacity var(--transition);
}

.sidebar.collapsed .logo-text { opacity: 0; width: 0; }
.sidebar.collapsed .sidebar-header { justify-content: center; padding: 20px 0 16px; }

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px;
}

.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

.nav-section { margin-bottom: 20px; }

.nav-section-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-section-title { opacity: 0; height: 0; margin: 0; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
}

.nav-link:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.nav-link.active {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 20px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.nav-link .icon {
    width: 20px; height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.sidebar.collapsed .nav-link { justify-content: center; padding: 10px 0; }
.sidebar.collapsed .nav-link span:not(.icon) { display: none; }

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--border);
}

/* ── Main Content ──────────────────────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-slow);
    min-height: 100vh;
}

.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed); }

/* ── Top Bar ───────────────────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-topbar);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }

.topbar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 20px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.topbar-toggle:hover { color: var(--accent); background: var(--accent-light); }

.topbar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
}

.topbar-right { display: flex; align-items: center; gap: 12px; }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    border: 1px solid var(--border);
}

.topbar-user .avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

/* ── Page Content ──────────────────────────────────────────────────────── */
.page-content { padding: 28px; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-heading);
}

/* ── Cards & Stats ─────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

.stat-card:hover::before { opacity: 1; }

.stat-card .stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.stat-card .stat-icon.purple { background: var(--accent-light); color: var(--accent); }
.stat-card .stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-card .stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-card .stat-icon.blue { background: rgba(8, 145, 178, 0.08); color: var(--info); }
.stat-card .stat-icon.red { background: var(--danger-bg); color: var(--danger); }

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Content Card ──────────────────────────────────────────────────────── */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.content-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.content-card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
}

.content-card-body { padding: 0; }
.content-card-body.padded { padding: 24px; }

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

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition);
}

.data-table tbody tr:hover {
    background: var(--accent-light);
}

.data-table tbody tr:last-child td { border-bottom: none; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }
.btn-icon { padding: 8px; }

/* ── Forms ─────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: #fff;
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control { resize: vertical; min-height: 80px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ── Badges ────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-purple { background: var(--accent-light); color: var(--accent); }

/* ── Modals ────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    transform: translateY(20px) scale(0.97);
    transition: transform var(--transition-slow);
}

.modal-overlay.active .modal { transform: translateY(0) scale(1); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 18px; font-weight: 600; color: var(--text-heading); }

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition);
}

.modal-close:hover { color: var(--text-primary); }

.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ── Pagination ────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px;
}

.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.pagination a:hover { background: var(--accent-light); color: var(--accent); }
.pagination .active-page { background: var(--accent); color: #fff; }

/* ── Search & Filters ──────────────────────────────────────────────────── */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 9px 14px 9px 36px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.search-box .search-icon {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Alerts ────────────────────────────────────────────────────────────── */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(22,163,74,0.15); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(220,38,38,0.15); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(217,119,6,0.15); }

/* ── Empty State ───────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Loading Spinner ───────────────────────────────────────────────────── */
.spinner {
    width: 24px; height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 24px auto;
}

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

/* ── Truncated Text ────────────────────────────────────────────────────── */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

/* ── Action Buttons ────────────────────────────────────────────────────── */
.action-btns { display: flex; gap: 6px; }