/**
 * WP Tender Manager — Frontend Styles
 */

/* ─── Variables ─── */
:root {
    --wptm-primary: #2563eb;
    --wptm-primary-hover: #1d4ed8;
    --wptm-success: #16a34a;
    --wptm-success-bg: #dcfce7;
    --wptm-warning: #ca8a04;
    --wptm-warning-bg: #fef9c3;
    --wptm-danger: #dc2626;
    --wptm-danger-bg: #fee2e2;
    --wptm-gray-50: #f9fafb;
    --wptm-gray-100: #f3f4f6;
    --wptm-gray-200: #e5e7eb;
    --wptm-gray-300: #d1d5db;
    --wptm-gray-400: #9ca3af;
    --wptm-gray-500: #6b7280;
    --wptm-gray-600: #4b5563;
    --wptm-gray-700: #374151;
    --wptm-gray-800: #1f2937;
    --wptm-gray-900: #111827;
    --wptm-radius: 8px;
    --wptm-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --wptm-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --wptm-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

/* ─── Wrapper ─── */
.wptm-tenders-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    max-width: 100%;
    margin: 0 auto;
    color: var(--wptm-gray-800);
}

/* ─── Toolbar ─── */
.wptm-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid var(--wptm-gray-200);
    border-radius: var(--wptm-radius);
    box-shadow: var(--wptm-shadow-sm);
}

.wptm-toolbar-left {
    flex: 1;
    min-width: 250px;
}

.wptm-toolbar-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Search Box */
.wptm-search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.wptm-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--wptm-gray-400);
    pointer-events: none;
}

.wptm-search-input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--wptm-gray-300);
    border-radius: 6px;
    font-size: 14px;
    color: var(--wptm-gray-800);
    background: var(--wptm-gray-50);
    transition: all 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.wptm-search-input:focus {
    border-color: var(--wptm-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: #fff;
}

.wptm-search-input::placeholder {
    color: var(--wptm-gray-400);
}

/* Filter Selects */
.wptm-filter-select {
    padding: 10px 36px 10px 14px;
    border: 1px solid var(--wptm-gray-300);
    border-radius: 6px;
    font-size: 14px;
    color: var(--wptm-gray-700);
    background-color: var(--wptm-gray-50);
    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: 18px;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.wptm-filter-select:focus {
    border-color: var(--wptm-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: #fff;
}

/* ─── Summary Bar ─── */
.wptm-summary-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: var(--wptm-gray-50);
    border: 1px solid var(--wptm-gray-200);
    border-radius: var(--wptm-radius) var(--wptm-radius) 0 0;
    font-size: 13px;
    color: var(--wptm-gray-500);
}

.wptm-results-count strong {
    color: var(--wptm-gray-800);
}

/* ─── Table ─── */
.wptm-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.wptm-tenders-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--wptm-gray-200);
    border-top: none;
    font-size: 14px;
}

.wptm-tenders-table thead {
    background: var(--wptm-gray-800);
}

.wptm-tenders-table thead th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    white-space: nowrap;
    border: none;
}

.wptm-tenders-table tbody tr {
    transition: background-color 0.15s ease;
    border-bottom: 1px solid var(--wptm-gray-100);
}

.wptm-tenders-table tbody tr:hover {
    background-color: #f0f7ff;
}

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

.wptm-tenders-table td {
    padding: 14px 16px;
    vertical-align: middle;
    color: var(--wptm-gray-700);
    border: none;
}

/* Column Widths */
.wptm-col-no     { width: 12%; }
.wptm-col-name   { width: 22%; }
.wptm-col-desc   { width: 26%; }
.wptm-col-date   { width: 14%; }
.wptm-col-status { width: 12%; }
.wptm-col-doc    { width: 14%; }

/* Tender Number */
.wptm-tender-no {
    font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;
    font-size: 13px;
    color: var(--wptm-primary);
    font-weight: 600;
    background: rgba(37, 99, 235, 0.06);
    padding: 3px 8px;
    border-radius: 4px;
}

/* Description */
.wptm-description {
    font-size: 13px;
    color: var(--wptm-gray-500);
    line-height: 1.5;
}

/* Closing Date */
.wptm-closing-date {
    display: block;
    font-weight: 500;
    color: var(--wptm-gray-700);
}

.wptm-days-left {
    display: block;
    font-size: 11px;
    color: var(--wptm-warning);
    font-weight: 600;
    margin-top: 2px;
}

/* ─── Status Badges ─── */
.wptm-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
}

.wptm-badge--open {
    background: var(--wptm-success-bg);
    color: var(--wptm-success);
}

.wptm-badge--closing_soon {
    background: var(--wptm-warning-bg);
    color: var(--wptm-warning);
    animation: wptm-pulse 2s ease-in-out infinite;
}

.wptm-badge--closed {
    background: var(--wptm-danger-bg);
    color: var(--wptm-danger);
}

@keyframes wptm-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ─── Download Button ─── */
.wptm-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--wptm-primary);
    color: #fff !important;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none !important;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.wptm-download-btn:hover {
    background: var(--wptm-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--wptm-shadow-md);
    color: #fff !important;
}

.wptm-download-btn svg {
    flex-shrink: 0;
}

.wptm-no-doc {
    color: var(--wptm-gray-400);
    font-style: italic;
    font-size: 13px;
}

/* ─── Empty State ─── */
.wptm-empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--wptm-gray-400);
}

.wptm-empty-state svg {
    margin-bottom: 12px;
    opacity: 0.5;
}

.wptm-empty-state p {
    font-size: 15px;
    margin: 0;
}

/* ─── Pagination ─── */
.wptm-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--wptm-gray-200);
    border-top: none;
    border-radius: 0 0 var(--wptm-radius) var(--wptm-radius);
}

.wptm-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border: 1px solid var(--wptm-gray-200);
    border-radius: 6px;
    background: #fff;
    color: var(--wptm-gray-700) !important;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none !important;
    transition: all 0.15s ease;
    cursor: pointer;
}

.wptm-page-btn:hover {
    background: var(--wptm-gray-50);
    border-color: var(--wptm-gray-300);
    color: var(--wptm-gray-900) !important;
}

.wptm-page-btn.wptm-page-active {
    background: var(--wptm-primary);
    border-color: var(--wptm-primary);
    color: #fff !important;
}

.wptm-page-btn.wptm-page-active:hover {
    background: var(--wptm-primary-hover);
    color: #fff !important;
}

.wptm-page-dots {
    padding: 8px 6px;
    color: var(--wptm-gray-400);
}

.wptm-prev,
.wptm-next {
    font-weight: 500;
}

.wptm-prev svg,
.wptm-next svg {
    flex-shrink: 0;
}

/* ─── Loading State ─── */
.wptm-loading {
    position: relative;
    pointer-events: none;
}

.wptm-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.wptm-loading tbody {
    opacity: 0.4;
    transition: opacity 0.2s;
}

/* ─── Responsive ─── */
@media screen and (max-width: 768px) {
    .wptm-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .wptm-toolbar-left {
        min-width: 100%;
    }

    .wptm-search-box {
        max-width: 100%;
    }

    .wptm-toolbar-right {
        justify-content: stretch;
    }

    .wptm-filter-select {
        flex: 1;
    }

    .wptm-tenders-table thead {
        display: none;
    }

    .wptm-tenders-table,
    .wptm-tenders-table tbody,
    .wptm-tenders-table tr,
    .wptm-tenders-table td {
        display: block;
    }

    .wptm-tenders-table tr {
        padding: 16px;
        margin-bottom: 12px;
        border: 1px solid var(--wptm-gray-200);
        border-radius: var(--wptm-radius);
        background: #fff;
        box-shadow: var(--wptm-shadow-sm);
    }

    .wptm-tenders-table td {
        padding: 6px 0;
        text-align: left;
        border: none;
    }

    .wptm-tenders-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 11px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--wptm-gray-400);
        margin-bottom: 2px;
    }

    .wptm-col-no,
    .wptm-col-name,
    .wptm-col-desc,
    .wptm-col-date,
    .wptm-col-status,
    .wptm-col-doc {
        width: 100%;
    }

    .wptm-summary-bar {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

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

@media screen and (max-width: 480px) {
    .wptm-toolbar {
        padding: 12px;
    }

    .wptm-page-btn {
        padding: 6px 10px;
        font-size: 13px;
    }
}