/* ==============================================
   admin.css - Auth forms, Admin layout, Form components
   ============================================== */

/* --- Auth Container --- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-8) var(--space-4);
    background-color: var(--color-bg);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
}

.auth-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    background-color: var(--color-primary);
    color: hsl(var(--primary-foreground));
    border-radius: 9999px;
    margin-bottom: var(--space-4);
}

.auth-badge-super {
    background-color: var(--color-super);
}

.auth-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-1);
}

.auth-desc {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-link {
    text-align: center;
    font-size: var(--text-md);
    color: var(--color-text-muted);
    margin-top: var(--space-6);
}

.auth-link a {
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

.auth-link a:hover {
    text-decoration: underline;
}

.auth-benefit-banner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, hsl(var(--primary-50, 255 247 237)), hsl(var(--primary-100, 254 243 199)));
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-card);
    margin-bottom: var(--space-4);
}
[data-theme="dark"] .auth-benefit-banner {
    background: rgba(var(--color-primary-rgb, 255 107 107), 0.1);
}
.auth-benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}
.auth-benefit-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.auth-benefit-text strong {
    font-size: var(--text-md);
    color: var(--color-primary);
}
.auth-benefit-text span {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* --- Form Components (shadcn style) --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-sale);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text);
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px hsla(var(--ring), 0.2);
}

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

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* --- Buttons --- */
.btn-primary {
    background-color: var(--color-primary);
    color: hsl(var(--primary-foreground));
    font-weight: 600;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-danger {
    background-color: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover {
    background-color: var(--color-secondary-bg);
    color: var(--color-text);
}

/* --- Alert --- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-btn);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.alert-error {
    background-color: var(--badge-error-bg);
    color: var(--badge-error-text);
    border: 1px solid hsl(var(--red-200));
}

.alert-success {
    background-color: var(--badge-active-bg);
    color: var(--badge-active-text);
    border: 1px solid hsl(var(--green-200));
}

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

.admin-sidebar {
    width: 250px;
    background-color: var(--color-card-bg);
    border-right: 1px solid var(--color-border);
    padding: 1.5rem 0;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar-header {
    padding: 0 1.25rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1rem;
}

.admin-sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.admin-sidebar-sub {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.125rem;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    padding: 0 0.75rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-btn);
    transition: all var(--transition-fast);
}

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

.admin-nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-secondary-bg);
    font-weight: 600;
}

.admin-nav-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 0.5rem 0.75rem;
}

.admin-main {
    flex: 1;
    padding: 2rem;
    background-color: var(--color-bg);
    min-width: 0;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.admin-page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* --- Table (shadcn style) --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-secondary-bg);
}

.data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.data-table tr:hover td {
    background-color: var(--color-secondary-bg);
}

/* --- Stats Card --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 1.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

.stat-change {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* --- Status Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-active { background: var(--badge-active-bg); color: var(--badge-active-text); }
.badge-pending { background: var(--badge-pending-bg); color: var(--badge-pending-text); }
.badge-suspended { background: var(--badge-error-bg); color: var(--badge-error-text); }
.badge-paid { background: var(--badge-info-bg); color: var(--badge-info-text); }
.badge-shipping { background: hsl(var(--purple-100)); color: hsl(var(--purple-600)); }
.badge-delivered { background: var(--badge-active-bg); color: var(--badge-active-text); }
.badge-completed { background: hsl(var(--green-200)); color: hsl(var(--green-700)); }
.badge-cancelled { background: hsl(var(--neutral-100)); color: hsl(var(--neutral-500)); }
.badge-refunded { background: var(--badge-error-bg); color: var(--badge-error-text); }

/* --- Toolbar --- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.toolbar .form-input {
    max-width: 300px;
}

/* --- Nav Section Headers --- */
.admin-nav-section { margin-top: 0.75rem; }
.admin-nav-section:first-child { margin-top: 0; }
.admin-nav-section-title {
    padding: 0.625rem 1rem 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

/* --- Admin Mobile Header --- */
.admin-mobile-header {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
}

.admin-mobile-menu-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-btn);
    -webkit-tap-highlight-color: transparent;
}

.admin-mobile-menu-btn:hover {
    background: var(--color-secondary-bg);
}

.admin-mobile-title {
    font-size: 1rem;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-mobile-home {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    -webkit-tap-highlight-color: transparent;
}

.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-sidebar-overlay);
}

.admin-sidebar-overlay.open,
.admin-sidebar-overlay.show {
    display: block;
}

/* --- Responsive Admin --- */
@media (max-width: 768px) {
    .admin-mobile-header {
        display: flex;
    }

    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: var(--z-sidebar);
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        height: 100vh;
        width: 280px;
        max-width: 85vw;
    }

    .admin-sidebar.mobile-open,
    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-main {
        padding: 1rem;
    }
}

/* --- Form field validation states --- */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger, #dc3545);
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.15);
}
.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--color-success, #28a745);
}
.field-error {
    display: block;
    color: var(--color-danger, #dc3545);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}
.form-group.has-error .form-label {
    color: var(--color-danger, #dc3545);
}