/* Header & Nav */
.admin-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg-app) 80%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: var(--space-4) var(--space-4) 0;
}

.shop-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.shop-logo {
    width: 32px;
    height: 32px;
    background: var(--brand);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-text);
}

.shop-name {
    font-size: var(--text-lg);
    font-weight: var(--fw-semibold);
}

.admin-nav {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: var(--space-2);
}
.admin-nav::-webkit-scrollbar { display: none; }

.nav-item {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition-fast);
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-item.active {
    color: var(--brand-text);
    background: var(--brand);
}

/* Layout */
.content-area {
    padding: var(--space-4);
    padding-bottom: calc(var(--space-12) * 2);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-sm);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 1px var(--brand);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: var(--fw-semibold);
    font-size: var(--text-sm);
    transition: var(--transition-fast);
    width: 100%;
    gap: var(--space-2);
}

.btn-primary {
    background: var(--brand);
    color: var(--brand-text);
    box-shadow: var(--shadow-brand);
}

.btn-primary:hover:not(:disabled) {
    background: var(--brand-hover);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

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

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

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Product List */
.product-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.product-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3);
    cursor: pointer;
    margin-bottom: 0;
}

.product-item:hover {
    background: var(--bg-hover);
}

.product-thumbnail {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--bg-input);
    flex-shrink: 0;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-meta {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

/* FAB */
.fab {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 56px;
    height: 56px;
    background: var(--brand);
    color: var(--brand-text);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-brand);
    transition: var(--transition-normal);
    z-index: 100;
}

.fab:hover {
    transform: scale(1.05) translateY(-2px);
}

.fab:active {
    transform: scale(0.95);
}

/* Search input specific */
.search-container {
    position: relative;
    margin-bottom: var(--space-4);
}

.search-container svg {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-container .form-input {
    padding-left: calc(var(--space-10));
}

/* Loaders */
.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-8);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Photo Upload */
.photo-upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-3);
}

.photo-upload-item {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 1px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.photo-upload-item:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--brand-light);
}

.photo-upload-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.6);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.photo-upload-item:hover .photo-delete-btn {
    opacity: 1;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--fw-medium);
}
.badge-success { background: color-mix(in srgb, var(--success) 20%, transparent); color: var(--success); }
.badge-warning { background: color-mix(in srgb, var(--warning) 20%, transparent); color: var(--warning); }
.badge-error { background: color-mix(in srgb, var(--error) 20%, transparent); color: var(--error); }