/* ==========================================================================
   Styles for Operational Expenses Statement Web App
   Theme: Office Paper Margins & Print Optimization
   ========================================================================== */

:root {
    --primary-color: #156082;
    --primary-hover: #0e435c;
    --accent-peach: #FAE2D5;
    --accent-peach-border: #f4cbb7;
    --border-color: #dee2e6;
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-header: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --editor-bg: #ffffff;
    --preview-bg: #cbd5e1;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-text: #1e293b;

    /* Office Paper Margins (defaults matching Word 0830.docx: 4.6cm / 1.81in top, 2.54cm / 1in sides, 1.5cm bottom) */
    --paper-top-margin-cm: 4.6;
    --paper-bottom-margin-cm: 1.5;
    --paper-side-margin-cm: 2.54;
}

/* ==========================================================================
   General Styles
   ========================================================================== */
body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    direction: rtl;
    text-align: right;
    min-height: 100vh;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* App Header */
.app-header {
    background: linear-gradient(135deg, #156082 0%, #0d3d53 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.app-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.app-subtitle {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Action Bar Buttons */
.btn-primary-action {
    background-color: #10b981;
    border-color: #059669;
    color: #ffffff;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary-action:hover {
    background-color: #059669;
    border-color: #047857;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

/* Panels */
.editor-panel {
    background-color: var(--editor-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.preview-panel {
    background-color: var(--preview-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: background-color 0.2s ease;
}

/* Section Cards */
.config-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.config-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.config-card-header {
    background-color: var(--bg-card-header);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-card-body {
    padding: 1rem;
}

/* Expenses List */
.expense-item-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-right: 4px solid var(--primary-color) !important;
    transition: all 0.15s ease;
}

.expense-item-card:hover {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Document Preview Sheet (Simulating Physical Letterhead Paper)
   ========================================================================== */
.docx-page-sheet {
    box-sizing: border-box;
    width: 100%;
    max-width: 816px; /* 8.5in x 96dpi */
    min-height: 1056px; /* 11in x 96dpi */
    margin: 0 auto;
    background-color: #ffffff !important;
    color: #000000 !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
    border: 1px solid #94a3b8;
    position: relative;
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.45;
    font-size: 15px;

    /* Dynamic office paper margins */
    padding-top: calc(var(--paper-top-margin-cm, 4.6) * 37.795px);
    padding-right: calc(var(--paper-side-margin-cm, 2.54) * 37.795px);
    padding-left: calc(var(--paper-side-margin-cm, 2.54) * 37.795px);
    padding-bottom: calc(var(--paper-bottom-margin-cm, 1.5) * 37.795px);
}

/* Letterhead Visual Indicator Guide (Overlay on Sheet) */
.letterhead-guide-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(var(--paper-top-margin-cm, 4.6) * 37.795px);
    border-bottom: 2px dashed #f59e0b;
    background: rgba(245, 158, 11, 0.04);
    pointer-events: none;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 4px;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 11px;
    color: #b45309;
    font-weight: 600;
    z-index: 5;
}

.footer-guide-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--paper-bottom-margin-cm, 1.5) * 37.795px);
    border-top: 2px dashed #3b82f6;
    background: rgba(59, 130, 246, 0.04);
    pointer-events: none;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 4px;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 11px;
    color: #1d4ed8;
    font-weight: 600;
    z-index: 5;
}

/* Document Tables */
.docx-page-sheet table {
    border-collapse: collapse;
    width: 100%;
}

.docx-page-sheet th,
.docx-page-sheet td {
    border: 1px solid #000000 !important;
    padding: 6px 10px;
    vertical-align: middle;
    color: #000000 !important;
}

.docx-page-sheet thead tr,
.docx-page-sheet tr[style*="FAE2D5"] {
    background-color: #FAE2D5 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
}

/* Floating Save Badge */
#saveIndicator {
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Sheet Break Divider (Visual in Preview) */
.sheet-break-indicator {
    position: relative;
    text-align: center;
    margin: 2.5rem auto 1.5rem auto;
    max-width: 816px;
}

.sheet-break-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    border-top: 2px dashed #0d6efd;
    z-index: 1;
}

.sheet-break-indicator .badge {
    position: relative;
    z-index: 2;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.sheet-page-badge {
    position: absolute;
    top: 10px;
    left: 14px;
    font-size: 11px;
    font-weight: 700;
    font-family: system-ui, -apple-system, sans-serif;
    color: #64748b;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 2px 8px;
    z-index: 6;
}

/* ==========================================================================
   Print Optimization (@media print)
   ========================================================================== */
@page {
    size: letter;
    margin: 0; /* Let page-sheet control margins precisely for pre-printed letterhead */
}

@media print {
    html, body {
        background: #ffffff !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }

    .app-header,
    .editor-column,
    .top-action-bar,
    .btn,
    .no-print,
    .sheet-break-indicator,
    .sheet-page-badge,
    .letterhead-guide-indicator,
    .footer-guide-indicator {
        display: none !important;
    }

    .preview-column {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .preview-panel {
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
    }

    .docx-page-sheet {
        box-shadow: none !important;
        border: none !important;
        margin: 0 !important;
        width: 8.5in !important;
        max-width: 8.5in !important;
        min-height: 11in !important;
        padding-top: calc(var(--paper-top-margin-cm, 4.6) * 1cm) !important;
        padding-right: calc(var(--paper-side-margin-cm, 2.54) * 1cm) !important;
        padding-left: calc(var(--paper-side-margin-cm, 2.54) * 1cm) !important;
        padding-bottom: calc(var(--paper-bottom-margin-cm, 1.5) * 1cm) !important;
        page-break-after: always !important;
        break-after: page !important;
    }

    .docx-page-sheet:last-of-type {
        page-break-after: avoid !important;
        break-after: avoid !important;
    }
}