/* ========== ADMIN PANEL CSS ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --admin-primary: #8B1A2B;
    --admin-primary-light: #a82040;
    --admin-secondary: #D4A853;
    --admin-bg: #f4f6f9;
    --admin-sidebar: #1e293b;
    --admin-sidebar-hover: #334155;
    --admin-card: #fff;
    --admin-text: #1e293b;
    --admin-text-light: #64748b;
    --admin-border: #e2e8f0;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-info: #3b82f6;
    --admin-radius: 8px;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.1);
    --admin-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.6;
}

/* ========== LOGIN ========== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e293b, #334155);
    padding: 24px;
}

.login-card {
    background: var(--admin-card);
    padding: 48px 40px;
    border-radius: 16px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--admin-shadow-lg);
}

.login-card h1 {
    color: var(--admin-primary);
    font-size: 2rem;
    margin-bottom: 4px;
}

.login-card > p {
    color: var(--admin-text-light);
    margin-bottom: 32px;
}

.login-card form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-card input {
    padding: 14px 16px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s;
}

.login-card input:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.login-hint {
    font-size: 0.8rem;
    color: var(--admin-text-light);
    margin-top: 8px;
}

/* ========== BUTTONS ========== */
.btn-admin {
    padding: 12px 24px;
    background: var(--admin-primary);
    color: #fff;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    transition: background 0.2s;
}

.btn-admin:hover {
    background: var(--admin-primary-light);
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--admin-bg);
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s;
}

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

.btn-success {
    background: var(--admin-success);
}

.btn-success:hover {
    background: #059669;
}

.btn-danger {
    background: var(--admin-danger);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

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

/* ========== SIDEBAR ========== */
.sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.sidebar-badge {
    background: var(--admin-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--admin-radius);
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--admin-sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: var(--admin-primary);
    color: #fff;
}

.nav-icon {
    font-size: 1.1rem;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ========== MAIN AREA ========== */
.admin-main {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

.admin-header {
    background: var(--admin-card);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--admin-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.admin-header h3 {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--admin-text);
}

.admin-user {
    font-size: 0.9rem;
    color: var(--admin-text-light);
}

.admin-content {
    padding: 32px;
}

/* ========== DASHBOARD STATS ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--admin-card);
    padding: 24px;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--admin-bg);
}

.stat-info h4 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--admin-text);
}

.stat-info p {
    font-size: 0.85rem;
    color: var(--admin-text-light);
}

/* ========== CARDS & TABLES ========== */
.admin-card {
    background: var(--admin-card);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 24px;
}

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

.admin-card-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.admin-card-body {
    padding: 24px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
    font-size: 0.9rem;
}

.admin-table th {
    font-weight: 600;
    color: var(--admin-text-light);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tr:hover {
    background: var(--admin-bg);
}

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

/* ========== STATUS BADGES ========== */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ========== FORMS ========== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--admin-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--admin-border);
}

/* ========== ITEM LIST (Editable) ========== */
.item-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--admin-bg);
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
}

.item-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
}

.item-row input:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.item-row .price-input {
    width: 100px;
}

.item-row .btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-icon-danger {
    background: #fee2e2;
    color: var(--admin-danger);
}

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

/* ========== TABS ========== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--admin-border);
    margin-bottom: 24px;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--admin-text-light);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--admin-text);
}

.tab-btn.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========== TOAST NOTIFICATION ========== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--admin-text);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    box-shadow: var(--admin-shadow-lg);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    background: var(--admin-success);
}

.toast-error {
    background: var(--admin-danger);
}

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--admin-text-light);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 1rem;
    margin-bottom: 16px;
}

/* ========== COLOR PICKER ========== */
.color-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.color-row label {
    min-width: 140px;
    font-size: 0.9rem;
}

.color-row input[type="color"] {
    width: 50px;
    height: 36px;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
}

.color-row input[type="text"] {
    width: 100px;
    padding: 6px 10px;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.85rem;
}

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

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

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

    .sidebar-toggle {
        display: block;
    }

    .admin-content {
        padding: 20px 16px;
    }

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

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

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