/* ==========================================================================
   1. CSS Variables & Reset
   ========================================================================== */
:root {
    --gov-blue: #003366;
    --gov-blue-dark: #002244;
    --gov-blue-light: #e6f0fa;
    --gov-blue-hover: #004080;
    
    --danger: #c0392b;
    --danger-bg: #fdf0ef;
    --danger-border: #e8c4c1;
    --warning: #d68910;
    --warning-bg: #fef9e7;
    --warning-border: #f5d98a;
    --info: #2471a3;
    --info-bg: #eaf2f8;
    --info-border: #aed6f1;
    --success: #1e8449;
    --success-bg: #e8f6e8;
    
    --text-main: #1a1a2e;
    --text-sec: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    --bg-page: #f0f2f5;
    --bg-card: #ffffff;
    --bg-subtle: #f8f9fa;
    --border: #e5e7eb;
    --border-strong: #d1d5db;
    
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   2. Top Bar
   ========================================================================== */
.top-bar {
    background: var(--gov-blue-dark);
    color: white;
    padding: 12px 20px;
    font-size: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gov-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.hide-mobile {
    display: block;
}

/* ==========================================================================
   3. Page Layout
   ========================================================================== */
.page-wrapper {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px 16px;
}

.document-card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* ==========================================================================
   4. Header
   ========================================================================== */
.doc-header {
    background: linear-gradient(135deg, var(--gov-blue) 0%, var(--gov-blue-dark) 100%);
    color: white;
    padding: 30px 24px;
    text-align: center;
}

.gov-logo {
    max-height: 60px;
    filter: brightness(0) invert(1);
    margin-bottom: 15px;
}

.doc-type-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.doc-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.doc-ref {
    font-size: 13px;
    opacity: 0.85;
}

.doc-ref strong {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header-line {
    height: 4px;
    background: linear-gradient(90deg, var(--warning), var(--danger));
}

/* ==========================================================================
   5. Status Banner
   ========================================================================== */
.status-banner {
    background: var(--danger-bg);
    border-bottom: 1px solid var(--danger-border);
    padding: 14px 24px;
}

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

.status-content i {
    font-size: 20px;
    color: var(--danger);
    animation: pulse 2s infinite;
}

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

.status-text strong {
    display: block;
    font-size: 12px;
    color: var(--danger);
    letter-spacing: 0.5px;
}

.status-text span {
    font-size: 12px;
    color: var(--text-sec);
}

/* ==========================================================================
   6. Sections
   ========================================================================== */
.section {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.section:last-child {
    border-bottom: none;
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 15px;
    font-weight: 700;
    color: var(--gov-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.heading-icon {
    width: 30px;
    height: 30px;
    background: var(--gov-blue-light);
    color: var(--gov-blue);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.heading-icon.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.heading-icon.success {
    background: var(--success-bg);
    color: var(--success);
}

/* ==========================================================================
   7. Details Grid
   ========================================================================== */
.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.detail-card {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.detail-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
}

.detail-value.primary {
    color: var(--gov-blue);
    font-size: 15px;
}

.detail-value.amount {
    color: var(--gov-blue);
    font-size: 22px;
    font-weight: 800;
}

/* ==========================================================================
   8. Warning Cards
   ========================================================================== */
.warning-card {
    border-radius: 8px;
    padding: 16px;
    border: 1px solid;
    margin-bottom: 12px;
}

.warning-card:last-child {
    margin-bottom: 0;
}

.warning-card.urgent {
    background: var(--danger-bg);
    border-color: var(--danger-border);
}

.warning-card.info {
    background: var(--info-bg);
    border-color: var(--info-border);
}

.warning-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.warning-header i {
    font-size: 14px;
}

.warning-card.urgent .warning-header i { color: var(--danger); }
.warning-card.urgent .warning-header h3 { color: var(--danger); }
.warning-card.info .warning-header i { color: var(--info); }
.warning-card.info .warning-header h3 { color: var(--info); }

.warning-header h3 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.warning-card p {
    font-size: 13px;
    color: var(--text-sec);
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   9. Payment Table (With Swipe Hint)
   ========================================================================== */
.table-wrapper {
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

.table-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 40px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.9));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.table-wrapper.scrollable::after {
    opacity: 1;
}

.swipe-hint {
    display: none;
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    margin-bottom: 8px;
    animation: slideHint 2s ease-in-out infinite;
}

@keyframes slideHint {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

.official-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

.official-table thead th {
    background: var(--gov-blue);
    color: white;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    white-space: nowrap;
}

.official-table tbody td {
    padding: 14px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

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

.official-table tfoot td {
    border-top: 2px solid var(--gov-blue);
    padding: 14px 16px;
    background: var(--gov-blue-light);
}

.total-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--gov-blue);
    text-transform: uppercase;
}

.total-amount {
    font-size: 18px;
    font-weight: 800;
    color: var(--gov-blue);
}

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

/* ==========================================================================
   10. Payment Instructions
   ========================================================================== */
.instructions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.instruction-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.instruction-number {
    width: 32px;
    height: 32px;
    background: var(--gov-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    flex-shrink: 0;
}

.instruction-content h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.instruction-content p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.chat-icon-inline {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.doc-footer {
    padding: 0 24px 24px;
}

.footer-line {
    height: 1px;
    background: var(--border);
    margin-bottom: 16px;
}

.footer-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 8px;
}

.footer-disclaimer i {
    flex-shrink: 0;
}

.footer-meta {
    font-size: 11px;
    color: var(--text-light);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.dot {
    font-size: 8px;
}

/* ==========================================================================
   12. Print Button
   ========================================================================== */
.print-bar {
    text-align: center;
    margin-top: 16px;
    padding-bottom: 40px;
}

.print-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gov-blue);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.print-btn:hover {
    background: var(--gov-blue);
    color: white;
    border-color: var(--gov-blue);
}

/* ==========================================================================
   13. Responsive (Mobile-First)
   ========================================================================== */
@media (max-width: 640px) {
    .hide-mobile {
        display: none;
    }

    .top-bar-inner {
        justify-content: center;
    }

    .page-wrapper {
        padding: 12px;
    }

    .doc-header {
        padding: 24px 16px;
    }

    .gov-logo {
        max-height: 50px;
    }

    .doc-title {
        font-size: 18px;
    }

    .section {
        padding: 20px 16px;
    }

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

    .detail-card.full-width {
        grid-column: auto;
    }

    .swipe-hint {
        display: block;
    }

    .official-table thead th,
    .official-table tbody td,
    .official-table tfoot td {
        padding: 10px 12px;
        font-size: 12px;
    }

    .total-amount {
        font-size: 16px;
    }

    .instruction-item {
        padding: 14px;
    }

    .footer-meta {
        flex-direction: column;
        gap: 4px;
    }

    .dot {
        display: none;
    }
}

/* ==========================================================================
   14. Print Styles
   ========================================================================== */
@media print {
    body {
        background: white;
    }

    .top-bar {
        background: var(--gov-blue-dark) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .page-wrapper {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .document-card {
        box-shadow: none;
        border: none;
        border-radius: 0;
    }

    .print-bar {
        display: none !important;
    }

    .doc-header {
        background: var(--gov-blue) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .header-line {
        background: linear-gradient(90deg, var(--warning), var(--danger)) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .official-table thead th {
        background: var(--gov-blue) !important;
        color: white !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .official-table tfoot td {
        background: var(--gov-blue-light) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .status-banner {
        background: var(--danger-bg) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .status-content i {
        animation: none;
    }

    .warning-card.urgent {
        background: var(--danger-bg) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .warning-card.info {
        background: var(--info-bg) !invalid-property;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .instruction-number {
        background: var(--gov-blue) !important;
        color: white !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .swipe-hint {
        display: none;
    }
}