/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --primary-subtle: rgba(79, 70, 229, 0.08);
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 40px -8px rgba(0,0,0,0.12);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Login === */
.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%);
    padding: 20px;
}

.login-overlay::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    padding: 48px 40px 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    animation: slideUp 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header svg {
    color: var(--primary);
    margin-bottom: 16px;
    filter: drop-shadow(0 2px 8px rgba(79, 70, 229, 0.25));
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}

.login-header p {
    font-size: 0.88rem;
    color: var(--gray-400);
    font-weight: 400;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-field label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gray-600);
    letter-spacing: 0.02em;
}

.login-field input {
    padding: 12px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.login-field input:hover {
    border-color: var(--gray-300);
    background: #fff;
}

.login-field input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-subtle);
}

.login-field input::placeholder {
    color: var(--gray-400);
}

.login-error {
    color: var(--danger);
    font-size: 0.82rem;
    font-weight: 500;
    background: var(--danger-light);
    padding: 10px 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.login-btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.9rem;
    margin-top: 4px;
}

/* === Logout Button === */
.btn-logout {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 7px 14px;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
    margin-left: 12px;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* === Header === */
.header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #312e81 100%);
    color: #fff;
    padding: 28px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

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

.logo svg {
    opacity: 0.9;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    margin-left: auto;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    font-family: inherit;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35), inset 0 1px 0 rgba(255,255,255,0.1);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: #fff;
    color: var(--gray-700);
    border-color: var(--gray-200);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-text {
    background: none;
    color: var(--gray-400);
    padding: 4px;
    border: none;
    border-radius: var(--radius-sm);
}

.btn-text:hover {
    color: var(--gray-700);
    background: var(--gray-100);
}

.btn-icon {
    background: #fff;
    border: 1px solid var(--gray-200);
    color: var(--gray-400);
    padding: 7px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.btn-icon:hover, .btn-icon.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-subtle);
}

/* === Filter Panel === */
.filter-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: -20px 0 20px;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    position: relative;
    z-index: 10;
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.filter-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray-700);
    letter-spacing: -0.01em;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    padding: 20px 24px 24px;
}

.filter-grid.collapsed {
    display: none;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group input,
.filter-group select {
    padding: 9px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.filter-group input:hover,
.filter-group select:hover {
    border-color: var(--gray-300);
    background: #fff;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-subtle);
}

.filter-group input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

.filter-actions {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    gap: 8px;
}

/* === Results Bar === */
.results-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    flex-wrap: wrap;
    gap: 12px;
}

.results-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

.active-filters {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid rgba(79, 70, 229, 0.15);
}

.filter-tag button {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    margin-left: 2px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.filter-tag button:hover {
    opacity: 1;
}

.view-toggle {
    display: flex;
    gap: 4px;
}

/* === Loading === */
.loading {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray-400);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--gray-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 16px;
}

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

/* === Error === */
.error-message {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--danger-light);
    color: var(--danger);
    border-radius: var(--radius);
    margin: 16px 0;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(220, 38, 38, 0.15);
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 100px 20px;
    color: var(--gray-300);
}

.empty-state svg {
    margin-bottom: 20px;
    opacity: 0.4;
    stroke: var(--gray-300);
}

.empty-state h3 {
    color: var(--gray-600);
    margin-bottom: 8px;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.empty-state p {
    color: var(--gray-400);
    max-width: 440px;
    margin: 0 auto;
    font-size: 0.9rem;
    line-height: 1.7;
}

/* === Cards === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    border: 1px solid var(--gray-100);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
    border-color: var(--gray-200);
}

.card-top {
    padding: 20px 20px 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.card-ref {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.card-status {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    border-radius: 100px;
    white-space: nowrap;
}

.status-active { background: var(--success-light); color: var(--success); border: 1px solid rgba(5,150,105,0.15); }
.status-closed { background: var(--gray-100); color: var(--gray-500); border: 1px solid var(--gray-200); }
.status-planning { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(217,119,6,0.15); }

.card-body {
    padding: 12px 20px 20px;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-description {
    font-size: 0.82rem;
    color: var(--gray-500);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.meta-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.meta-value {
    font-size: 0.82rem;
    color: var(--gray-700);
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.briefing-badge {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 100px;
    font-weight: 500;
}

.briefing-compulsory { background: var(--danger-light); color: var(--danger); }
.briefing-optional { background: var(--warning-light); color: var(--warning); }
.briefing-none { background: var(--gray-100); color: var(--gray-400); }

.card-value {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray-800);
}

/* === Table === */
.table-wrapper {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    margin-bottom: 24px;
    border: 1px solid var(--gray-100);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
}

.data-table thead {
    background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 0.72rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
    vertical-align: top;
}

.data-table tbody tr {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--primary-subtle);
}

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

.td-title {
    max-width: 280px;
    position: relative;
    cursor: pointer;
}

.td-title:hover::after {
    content: attr(data-desc);
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 100;
    background: var(--gray-900);
    color: rgba(255,255,255,0.95);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.82rem;
    line-height: 1.6;
    max-width: 440px;
    min-width: 240px;
    width: max-content;
    white-space: normal;
    box-shadow: var(--shadow-xl);
    pointer-events: none;
    animation: tooltipFadeIn 0.15s ease;
    backdrop-filter: blur(4px);
}

@keyframes tooltipFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.td-title .title-text {
    font-weight: 500;
    color: var(--gray-800);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.td-title .desc-text {
    color: var(--gray-400);
    font-size: 0.78rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.td-ref {
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    font-size: 0.8rem;
}

/* === Sortable Headers === */
.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: color var(--transition-fast);
}

.sortable:hover {
    color: var(--primary);
}

.sort-icon::after {
    content: '\2195';
    margin-left: 4px;
    opacity: 0.25;
    font-size: 0.7rem;
}

.sortable.sort-asc .sort-icon::after {
    content: '\25B2';
    opacity: 1;
    color: var(--primary);
}

.sortable.sort-desc .sort-icon::after {
    content: '\25BC';
    opacity: 1;
    color: var(--primary);
}

/* === Days Left === */
.days-urgent {
    color: var(--danger);
    font-weight: 700;
}

.days-warning {
    color: var(--warning);
    font-weight: 600;
}

.days-ok {
    color: var(--success);
    font-weight: 500;
}

.days-closed {
    color: var(--gray-400);
    font-style: italic;
}

/* === Tender Type Badge === */
.type-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    border-radius: 100px;
    white-space: nowrap;
}

.type-rfq { background: #dbeafe; color: #1e40af; border: 1px solid rgba(30,64,175,0.12); }
.type-tender { background: #ede9fe; color: #5b21b6; border: 1px solid rgba(91,33,182,0.12); }
.type-panel { background: #fce7f3; color: #9d174d; border: 1px solid rgba(157,23,77,0.12); }
.type-other, .type-- { background: var(--gray-100); color: var(--gray-500); border: 1px solid var(--gray-200); }

/* === Pagination === */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px 0 40px;
}

.page-info {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 600;
}

/* === Modal === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 760px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-100);
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.detail-section {
    margin-bottom: 24px;
}

.detail-section h3 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--gray-100);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-item.full-width {
    grid-column: 1 / -1;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--gray-800);
    word-break: break-word;
}

.detail-value a {
    color: var(--primary);
}

/* === Fetch Timestamp === */
.fetch-timestamp {
    font-size: 0.75rem;
    color: var(--gray-400);
    font-weight: 500;
    padding: 2px 10px;
    background: var(--gray-100);
    border-radius: 100px;
    white-space: nowrap;
}

/* === Responsive === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .subtitle {
        margin-left: 0;
    }

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

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

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

    .results-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal {
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .filter-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .card-meta {
        grid-template-columns: 1fr;
    }
}