/* Admin Common Styles */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-main: #0f172a;
    --bg-surface: #1e293b;
    --bg-card: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #475569;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
}

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

body {
    font-family: 'Noto Sans KR', 'Outfit', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo span { font-size: 24px; }
.sidebar-logo strong {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 18px;
}

.sidebar-section {
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-menu { list-style: none; }

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-menu a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.sidebar-menu a.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), transparent);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.sidebar-menu .icon { font-size: 18px; }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 { font-size: 24px; }

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

.search-input {
    padding: 10px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    min-width: 200px;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #a855f7);
    color: white;
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(99,102,241,0.3); }

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

.btn-danger { background: var(--error); color: white; }

.icon-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-card);
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
}

.icon-btn:hover { background: var(--primary); }
.icon-btn.danger:hover { background: var(--error); }

/* Category Section */
.category-section {
    background: var(--bg-surface);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.category-header {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
    border-left: 4px solid var(--primary);
}

.category-header .count { color: var(--text-secondary); font-weight: 400; }

.products-list { padding: 16px; display: grid; gap: 12px; }

/* Product Card */
.product-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-main);
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}

.product-card:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.product-image {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image span { font-size: 24px; }

.product-info { flex: 1; }
.product-name { font-weight: 600; margin-bottom: 4px; }
.product-price { color: var(--primary); font-weight: 700; }

.product-status { display: flex; gap: 6px; margin-top: 8px; }

.chip {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    background: var(--bg-card);
    color: var(--text-secondary);
}

.chip.active { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.chip.danger { background: rgba(239, 68, 68, 0.2); color: var(--error); }

.product-actions { display: flex; gap: 8px; }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    padding: 20px;
}

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

.modal {
    background: var(--bg-surface);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-lg { max-width: 700px; }

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

.modal-close {
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-close:hover { background: var(--error); color: white; }

.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 12px; }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: span 2; }

.form-group label { font-size: 13px; color: var(--text-secondary); }

.form-group input, .form-group select, .form-group textarea {
    padding: 10px 12px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

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

.checkbox-group { flex-direction: row; flex-wrap: wrap; gap: 16px; align-items: center; }
.checkbox-group label { display: flex; align-items: center; gap: 6px; cursor: pointer; }

/* Loading & Empty */
.loading { display: flex; justify-content: center; padding: 60px; }

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.empty-state { text-align: center; padding: 60px; color: var(--text-secondary); }

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 16px 24px;
    border-radius: 12px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }

/* Order Cards */
.orders-grid { display: grid; gap: 16px; }

.order-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.order-card:hover { border-color: var(--primary); transform: translateY(-2px); }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full { grid-column: span 1; }
}