/* === Admin Panel Styles === */
:root {
    --admin-bg: #0f1117;
    --admin-surface: #1a1b23;
    --admin-surface-hover: #22232e;
    --admin-border: rgba(255,255,255,0.08);
    --admin-text: #e4e4e7;
    --admin-text-muted: #71717a;
    --admin-primary: #51ddaa;
    --admin-primary-hover: #3cc494;
    --admin-danger: #ef4444;
    --admin-danger-hover: #dc2626;
    --admin-success: #22c55e;
    --admin-warning: #f59e0b;
    --admin-sidebar-width: 250px;
    --admin-topbar-height: 60px;
    --admin-radius: 10px;
    --admin-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body.admin-body {
    font-family: var(--admin-font);
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
    display: flex;
}

/* === Login Page === */
body.login-page {
    font-family: var(--admin-font);
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container { width: 100%; max-width: 400px; padding: 1rem; }

.login-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 2.5rem 2rem;
}

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

/* === Sidebar === */
.sidebar {
    width: var(--admin-sidebar-width);
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-header h2 i { color: var(--admin-primary); }

.sidebar-nav { flex: 1; padding: 0.75rem; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-item:hover { background: var(--admin-surface-hover); color: var(--admin-text); }
.nav-item.active { background: rgba(81,221,170,0.1); color: var(--admin-primary); }

.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--admin-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--admin-text-muted);
}

.logout-link { color: var(--admin-danger) !important; }
.logout-link:hover { background: rgba(239,68,68,0.1) !important; }

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

.topbar {
    height: var(--admin-topbar-height);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    border-bottom: 1px solid var(--admin-border);
    background: var(--admin-surface);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title { font-size: 1.15rem; font-weight: 600; }

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--admin-text);
    font-size: 1.25rem;
    cursor: pointer;
    margin-right: 1rem;
}

.content-area { padding: 2rem; max-width: 1200px; }

/* === Alerts === */
.alert {
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success { background: rgba(34,197,94,0.15); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.alert-error { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-family: var(--admin-font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary { background: var(--admin-primary); color: #0a0a0f; }
.btn-primary:hover { background: var(--admin-primary-hover); }
.btn-outline { background: transparent; border: 1px solid var(--admin-border); color: var(--admin-text); }
.btn-outline:hover { border-color: var(--admin-text-muted); background: var(--admin-surface-hover); }
.btn-danger { background: var(--admin-danger); color: white; }
.btn-danger:hover { background: var(--admin-danger-hover); }
.btn-sm { padding: 0.4rem 0.65rem; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }

/* === Dashboard === */
.dashboard-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--admin-surface);
    border-radius: var(--admin-radius);
    border: 1px dashed var(--admin-border);
}

.empty-state i { font-size: 3rem; color: var(--admin-text-muted); margin-bottom: 1rem; }
.empty-state h3 { margin-bottom: 0.5rem; }
.empty-state p { color: var(--admin-text-muted); margin-bottom: 1.5rem; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    overflow: hidden;
    transition: all 0.2s;
}

.admin-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-2px); }
.admin-card.inactive { opacity: 0.6; }

.admin-card-header {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--admin-border);
    background: linear-gradient(135deg, var(--admin-surface) 0%, var(--admin-surface-hover) 100%);
}

.admin-card-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--card-accent, var(--admin-primary));
}

.admin-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-surface-hover);
    color: var(--admin-text-muted);
    font-weight: 700;
    font-size: 0.9rem;
}

.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-inactive { background: rgba(239,68,68,0.15); color: #f87171; }

.admin-card-body { padding: 1.25rem; }
.admin-card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.card-meta { color: var(--admin-text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }

.card-slug {
    font-size: 0.8rem;
    color: var(--admin-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.card-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--admin-text-muted);
}

.card-stats i { margin-right: 0.25rem; }

.admin-card-actions {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--admin-border);
}

.inline-form { display: inline; }

/* === Forms === */
.card-form fieldset {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-form legend {
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-form legend i { color: var(--admin-primary); }

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--admin-text-muted);
    margin-bottom: 0.375rem;
}

.form-group label i { margin-right: 0.25rem; }

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-text);
    font-family: var(--admin-font);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(81,221,170,0.1);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

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

.form-row-3 {
    grid-template-columns: 120px 1fr 1fr;
}

.form-group-2x { grid-column: span 1; }

.input-with-prefix {
    display: flex;
    align-items: center;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    overflow: hidden;
}

.input-prefix {
    padding: 0.625rem 0.75rem;
    background: var(--admin-surface-hover);
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
    border-right: 1px solid var(--admin-border);
}

.input-with-prefix input {
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
}

.input-with-prefix input:focus { box-shadow: none !important; }

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 1rem;
}

/* === Theme Selector === */
.theme-selector { display: flex; gap: 0.75rem; }

.theme-option input { display: none; }

.theme-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid var(--admin-border);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.theme-preview-dark { background: #1a1a24; color: #fff; }
.theme-preview-light { background: #f5f5f7; color: #1a1a2e; }

.theme-option input:checked + .theme-preview {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(81,221,170,0.2);
}

/* === Color Picker === */
.color-picker { display: flex; align-items: center; gap: 1rem; }

.color-picker input[type="color"] {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    padding: 2px;
    background: var(--admin-border);
}

.color-swatches { display: flex; gap: 0.375rem; flex-wrap: wrap; }

.swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: white; box-shadow: 0 0 0 2px var(--admin-primary); }

/* === Toggle Switch === */
.toggle-switch {
    display: flex !important;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] { display: none; }

.toggle-slider {
    width: 44px;
    height: 24px;
    background: var(--admin-border);
    border-radius: 12px;
    position: relative;
    transition: background 0.3s;
}

.toggle-slider::after {
    content: '';
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
}

.toggle-switch input:checked + .toggle-slider { background: var(--admin-primary); }
.toggle-switch input:checked + .toggle-slider::after { transform: translateX(20px); }
.toggle-label { font-size: 0.9rem; color: var(--admin-text); }

/* === Upload Area === */
.upload-area {
    border: 2px dashed var(--admin-border);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    transition: border-color 0.2s;
}

.upload-area:hover { border-color: var(--admin-primary); }

.upload-area-dark { background: #1a1a24; }
.upload-area-dark .upload-preview { background: #1a1a24; padding: 0.5rem; }
.upload-area-light { background: #e8e8ed; }
.upload-area-light .upload-preview { background: #e8e8ed; padding: 0.5rem; }
.upload-area-light .upload-placeholder { color: #555; }
.upload-area-light .upload-remove { color: #c0392b; }

.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--admin-text-muted);
}

.upload-placeholder i { font-size: 2rem; }

.upload-preview {
    max-width: 150px;
    max-height: 150px;
    border-radius: 8px;
    display: block;
    margin: 0 auto 0.5rem;
}

.upload-remove {
    font-size: 0.8rem;
    color: var(--admin-danger);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

/* === Custom Links === */
.custom-link-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    align-items: center;
}

.custom-link-row input,
.custom-link-row select {
    padding: 0.5rem 0.75rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-text);
    font-family: var(--admin-font);
    font-size: 0.85rem;
}

.custom-link-row input[type="text"] { flex: 1; }
.custom-link-row input[type="url"] { flex: 2; }
.custom-link-row select { width: 120px; }

.remove-link { flex-shrink: 0; }

/* === Info Box === */
.info-box {
    background: var(--admin-surface-hover);
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.85rem;
}

.info-box p { margin-bottom: 0.5rem; }
.info-box p:last-child { margin-bottom: 0; }

.mt-2 { margin-top: 1.5rem; }

/* === Responsive === */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open { transform: translateX(0); }

    .sidebar-toggle { display: block; }

    .main-content { margin-left: 0; }

    .content-area { padding: 1rem; }

    .form-row { grid-template-columns: 1fr; }
    .form-row-3 { grid-template-columns: 1fr; }

    .cards-grid { grid-template-columns: 1fr; }

    .custom-link-row { flex-wrap: wrap; }
    .custom-link-row select { width: 100%; }
}