/**
 * Shared Components CSS
 * Reusable styles for alerts, pagination, cards, forms
 */

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.5;
    position: relative;
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.alert-message {
    flex: 1;
}

.alert-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
    line-height: 1;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

.alert-success {
    background-color: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.alert-success .alert-icon {
    color: #10b981;
}

.alert-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-error .alert-icon {
    color: #ef4444;
}

.alert-warning {
    background-color: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

.alert-warning .alert-icon {
    color: #f59e0b;
}

.alert-info {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.alert-info .alert-icon {
    color: #16a34a;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin: 24px 0;
}

.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 4px;
}

.pagination-item {
    display: flex;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid #dce3d6;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.pagination-link:hover {
    background: #f6f8f4;
    border-color: #4a7c59;
    color: #4a7c59;
}

.pagination-item.active .pagination-link {
    background: #4a7c59;
    border-color: #4a7c59;
    color: #fff;
}

.pagination-ellipsis span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    color: #6b7280;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-card-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f6f8f4;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-content {
    padding: 16px;
}

.product-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px;
    color: #1f2937;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-price {
    font-size: 18px;
    font-weight: 700;
    color: #4a7c59;
}

.product-card-seller {
    font-size: 13px;
    color: #6b7280;
    margin-top: 8px;
}

/* Stat Cards */
.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #ecfdf5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #4a7c59;
}

.stat-card-content {
    flex: 1;
}

.stat-card-value {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.2;
}

.stat-card-title {
    font-size: 14px;
    color: #6b7280;
    margin-top: 4px;
}

.stat-card-trend {
    font-size: 13px;
    margin-top: 8px;
    font-weight: 500;
}

.trend-up {
    color: #10b981;
}

.trend-down {
    color: #ef4444;
}

.trend-neutral {
    color: #6b7280;
}

/* Info Cards */
.info-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid #e5e7eb;
}

.info-card-icon {
    font-size: 20px;
}

.info-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: #1f2937;
}

.info-card-body {
    padding: 20px;
}

.info-card-footer {
    padding: 12px 20px;
    background: #f6f8f4;
    border-top: 1px solid #e5e7eb;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}

.form-group .required {
    color: #ef4444;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.5;
    color: #1f2937;
    background-color: #fff;
    border: 1px solid #dce3d6;
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: #4a7c59;
    box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

.form-control::placeholder {
    color: #9ca3af;
}

.form-control.is-invalid {
    border-color: #ef4444;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    font-size: 13px;
    color: #ef4444;
    margin-top: 6px;
}

.form-hint {
    display: block;
    font-size: 13px;
    color: #6b7280;
    margin-top: 6px;
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

/* Checkboxes */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #4a7c59;
}

.form-check-label {
    font-size: 14px;
    color: #374151;
    cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: #4a7c59;
    color: #fff;
    border-color: #4a7c59;
}

.btn-primary:hover:not(:disabled) {
    background: #3d6649;
    border-color: #3d6649;
}

.btn-secondary {
    background: #fff;
    color: #374151;
    border-color: #dce3d6;
}

.btn-secondary:hover:not(:disabled) {
    background: #f6f8f4;
    border-color: #4a7c59;
}

.btn-danger {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.table th {
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #f6f8f4;
}

.table tbody tr:hover {
    background: #f9fafb;
}

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

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-success {
    background: #ecfdf5;
    color: #065f46;
}

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

.badge-danger {
    background: #fef2f2;
    color: #991b1b;
}

.badge-info {
    background: #f0fdf4;
    color: #166534;
}

.badge-neutral {
    background: #f3f4f6;
    color: #4b5563;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e5e7eb;
    border-top-color: #4a7c59;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

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

.text-right {
    text-align: right;
}

.text-muted {
    color: #6b7280;
}

.text-success {
    color: #10b981;
}

.text-danger {
    color: #ef4444;
}

.text-warning {
    color: #f59e0b;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.d-flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }