/* =============================================
   อาภรณ์แก้ว — Admin Stylesheet
   ============================================= */

/* === Admin Body === */
.admin-body {
    background: var(--gray-900);
    min-height: 100vh;
}

/* === Admin Login === */
.admin-login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
    padding: 20px;
}

.admin-login-page .login-card {
    max-width: 400px;
    width: 100%;
    padding: 40px 32px;
    animation: slideUp 0.6s ease-out;
}

/* === Sidebar === */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    font-size: 1.8rem;
}

.sidebar-brand h2 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    line-height: 1.2;
}

.brand-sub {
    font-size: 0.7rem;
    color: var(--gold-400);
    font-weight: 400;
}

.sidebar-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 400;
    transition: var(--transition);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(139, 79, 252, 0.3);
    color: white;
    font-weight: 500;
}

.nav-icon {
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-avatar {
    font-size: 1.2rem;
}

.admin-name {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.82rem;
}

/* === Admin Main === */
.admin-main {
    margin-left: 260px;
    min-height: 100vh;
    background: var(--gray-50);
}

.admin-header {
    background: white;
    padding: 16px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    flex: 1;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--gray-700);
    padding: 4px;
}

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

.date-display {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.admin-content {
    padding: 24px 28px;
}

/* === Stats Grid === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 2rem;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 400;
}

.stat-borrowed .stat-value {
    color: var(--warning);
}

.stat-returned .stat-value {
    color: var(--success);
}

.stat-overdue .stat-value {
    color: var(--danger);
}

.stat-deposit .stat-value {
    color: var(--primary-600);
}

/* === Admin Section === */
.admin-section {
    margin-bottom: 28px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.section-header .btn-outline {
    color: var(--primary-600);
    border-color: var(--primary-200);
}

.section-header .btn-outline:hover {
    background: var(--primary-50);
}

/* === Admin Table === */
.table-wrapper {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow-x: auto;
}

.admin-table th {
    background: var(--gray-50);
}

.admin-table .btn-sm {
    padding: 4px 10px;
    font-size: 0.72rem;
}

.action-btns {
    display: flex;
    gap: 6px;
}

.btn-edit {
    background: var(--info);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: 'Prompt', sans-serif;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-edit:hover {
    opacity: 0.8;
}

.btn-delete {
    background: var(--danger);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: 'Prompt', sans-serif;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-delete:hover {
    opacity: 0.8;
}

/* === Filters Bar === */
.filters-bar {
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    background: white;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: 'Prompt', sans-serif;
    font-size: 0.85rem;
    color: var(--gray-700);
    outline: none;
    transition: var(--transition);
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(139, 79, 252, 0.1);
}

/* === Suit Modal === */
.stock-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.stock-item {
    text-align: center;
}

.stock-item label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.stock-item input {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: 'Prompt', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.stock-item input:focus {
    border-color: var(--primary-500);
}

/* =============================================
   Admin Responsive
   ============================================= */

@media (max-width: 1023px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

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

    .sidebar-close {
        display: block;
    }

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

    .hamburger {
        display: block;
    }

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

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-content {
        padding: 16px;
    }

    .admin-header {
        padding: 12px 16px;
    }

    .stock-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .filters-bar {
        flex-direction: column;
        gap: 12px;
    }
}