/* ==========================================================================
   Revenue Forecast Management - Base Styles
   ========================================================================== */

:root {
    --primary: #4a6da7;
    --primary-dark: #3b5998;
    --primary-light: #dce4f0;
    --primary-bg: #f2f5fa;

    --success: #3d8b6e;
    --success-light: #dceee6;

    --warning: #c4933f;
    --warning-light: #f5ead4;

    --danger: #b85450;
    --danger-light: #f0d8d7;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Column widths */
    --col-tree: 380px;
    --col-path: 150px;
    --col-name: 180px;
    --col-date: 70px;
    --col-money: 90px;
    --col-pct: 60px;
    --col-month-pct: 55px;
    --col-month-amt: 75px;
}

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

body {
    font-family: var(--font-family);
    font-size: 12px;
    color: var(--gray-800);
    background: #fff;
    line-height: 1.4;
}

.hidden { display: none !important; }

/* ==========================================================================
   Session Overlay
   ========================================================================== */
.session-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
}
.session-overlay-content {
    background: #fff; padding: 32px 48px; text-align: center;
    border: 2px solid var(--danger);
}
.session-overlay-title { font-size: 18px; font-weight: 700; color: var(--danger); margin-bottom: 8px; }
.session-overlay-message { font-size: 13px; color: var(--gray-600); }

/* ==========================================================================
   Loading Spinner
   ========================================================================== */
.loading-spinner {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: #fff; z-index: 9998;
}
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-message { margin-top: 12px; font-size: 13px; color: var(--gray-500); }

/* ==========================================================================
   Toast
   ========================================================================== */
.toast-container {
    position: fixed; top: 12px; right: 12px; z-index: 9990;
    display: flex; flex-direction: column; gap: 6px;
}
.toast {
    padding: 8px 16px; font-size: 12px; font-weight: 500;
    background: var(--gray-800); color: #fff;
    opacity: 0; transform: translateX(20px);
    transition: opacity 0.25s, transform 0.25s;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast.toast-error { background: var(--danger); }
.toast.toast-success { background: var(--success); }

/* ==========================================================================
   Dashboard Header
   ========================================================================== */
.dashboard-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    padding: 12px 16px 8px; border-bottom: 2px solid var(--gray-800);
}
.header-title { font-size: 20px; font-weight: 700; color: var(--gray-900); }
.header-subtitle {
    font-size: 9px; font-weight: 600; text-transform: uppercase;
    color: var(--gray-400); letter-spacing: 0.5px; margin-top: 2px;
}
.header-date { font-size: 10px; color: var(--gray-500); margin-top: 2px; }
.header-actions { display: flex; gap: 6px; align-items: center; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    font-family: var(--font-family); font-size: 11px; font-weight: 500;
    padding: 5px 12px; border: 1px solid var(--gray-300);
    background: #fff; color: var(--gray-700); cursor: pointer;
    border-radius: 0;
}
.btn:hover { background: var(--gray-100); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary-dark); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-small { font-size: 10px; padding: 3px 8px; }

/* ==========================================================================
   Filter Bar
   ========================================================================== */
.filter-bar {
    display: flex; align-items: flex-end; gap: 12px;
    padding: 8px 16px; background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}
.filter-group { display: flex; flex-direction: column; gap: 2px; }
.filter-label {
    font-size: 9px; font-weight: 600; text-transform: uppercase;
    color: var(--gray-400); letter-spacing: 0.3px;
}
.filter-input, .filter-select {
    font-family: var(--font-family); font-size: 11px;
    padding: 4px 8px; border: 1px solid var(--gray-300);
    background: #fff; color: var(--gray-800);
    border-radius: 0; min-width: 120px;
}
.filter-input { min-width: 160px; }
.filter-input:focus, .filter-select:focus { outline: none; border-color: var(--primary); }

/* ==========================================================================
   Entry Hint
   ========================================================================== */
.entry-hint {
    padding: 4px 16px; font-size: 10px; color: var(--gray-500);
    background: var(--warning-light); border-bottom: 1px solid var(--gray-200);
}

/* ==========================================================================
   KPI Bar
   ========================================================================== */
.kpi-bar {
    display: flex; gap: 24px; padding: 8px 16px;
    border-bottom: 1px solid var(--gray-200); background: var(--gray-50);
}
.kpi-item { display: flex; flex-direction: column; }
.kpi-label {
    font-size: 9px; font-weight: 600; text-transform: uppercase;
    color: var(--gray-400); letter-spacing: 0.3px;
}
.kpi-value { font-size: 14px; font-weight: 700; color: var(--gray-800); }

/* ==========================================================================
   Grid Container
   ========================================================================== */
.grid-container {
    overflow-x: auto; overflow-y: auto;
    max-height: calc(100vh - 200px);
    position: relative;
}
.grid-empty {
    padding: 40px; text-align: center;
    font-size: 13px; color: var(--gray-400);
}

/* ==========================================================================
   Data Table
   ========================================================================== */
.data-table {
    width: max-content; min-width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    table-layout: fixed;
}
.data-table th {
    position: sticky; z-index: 10;
    background: var(--gray-100);
    padding: 6px 8px; text-align: left;
    font-size: 10px; font-weight: 600;
    text-transform: uppercase; color: var(--gray-500);
    border-bottom: 2px solid var(--gray-300);
    white-space: nowrap; letter-spacing: 0.3px;
}
/* First header row sticks at top */
.data-table thead tr:first-child th { top: 0; }
/* Second header row sticks below the first */
.data-table thead tr.sub-header-row th { top: 28px; }

.data-table th.col-month-pct { text-align: right; }
.data-table th.col-month-amt { text-align: right; }
.data-table th.col-month-group {
    text-align: center; border-bottom: 1px solid var(--gray-300);
    border-left: 1px solid var(--gray-200);
}
.data-table th.col-month-sub {
    font-size: 9px; font-weight: 600; text-transform: none;
    letter-spacing: 0; color: var(--gray-500); text-align: right;
    border-left: 1px solid var(--gray-200);
    padding: 3px 8px;
    width: var(--col-month-pct); max-width: var(--col-month-pct);
}
.data-table th.col-month-sub.sub-amt {
    border-left: none;
    background: var(--gray-50);
    color: var(--gray-400);
    width: var(--col-month-amt); max-width: var(--col-month-amt);
}
.data-table th.col-money { text-align: right; }
.data-table th.col-pct { text-align: right; }

.data-table td {
    padding: 4px 8px;
    border-bottom: 1px solid var(--gray-100);
    white-space: nowrap;
    vertical-align: middle;
}
.data-table tr:hover td { background: var(--primary-bg); }

/* Sticky left columns */
.data-table th.sticky, .data-table td.sticky {
    position: sticky; z-index: 5;
    background: #fff;
    border-right: 1px solid var(--gray-300);
}
.data-table th.sticky { z-index: 15; background: var(--gray-100); }
.data-table thead tr.sub-header-row th.sticky { z-index: 15; background: var(--gray-100); }
.data-table tr:hover td.sticky { background: var(--primary-bg); }

.data-table td.sticky-0, .data-table th.sticky-0 {
    left: 0;
    width: var(--col-tree);
    min-width: var(--col-tree);
    max-width: var(--col-tree);
}

/* Column resize handle */
.col-resize-handle {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    cursor: col-resize;
    background: transparent;
    z-index: 20;
}
.col-resize-handle:hover,
.col-resize-handle.resizing {
    background: var(--primary);
    opacity: 0.4;
}
.data-table th.sticky-0 {
    position: sticky;
}

/* Right-align numeric columns */
.data-table td.align-right { text-align: right; font-variant-numeric: tabular-nums; }

/* Backlog column highlight */
.data-table td.col-backlog {
    font-weight: 600; color: var(--primary-dark);
}

/* ==========================================================================
   Tree Grid
   ========================================================================== */

/* --- Group rows (tree nodes) --- */
.data-table tr.tree-group-row td {
    background: var(--primary-light);
    font-weight: 600; font-size: 11px;
    color: var(--primary-dark);
    padding: 4px 8px;
    border-bottom: 1px solid var(--primary);
    border-top: 1px solid var(--primary);
}
.data-table tr.tree-group-row:first-child td {
    border-top: none;
}
.data-table tr.tree-group-row:hover td {
    background: var(--primary-light) !important;
}

/* Level-specific styling — use !important on background to override td.sticky */
.data-table tr.tree-level-0 td {
    font-weight: 700; font-size: 11px;
    background: var(--primary-light) !important;
    border-top: 2px solid var(--primary);
}
.data-table tr.tree-level-1 td {
    background: #e8edf5 !important;
    border-top: 1px solid var(--gray-300);
    border-bottom: 1px solid var(--gray-300);
    font-weight: 600;
}
.data-table tr.tree-level-2 td {
    background: #eef1f6 !important;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    font-size: 10px;
}
.data-table tr.tree-level-3 td,
.data-table tr.tree-level-4 td,
.data-table tr.tree-level-5 td {
    background: var(--gray-100) !important;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    font-size: 10px;
}

/* Tree cell components */
.tree-group-cell {
    display: flex; align-items: flex-start;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.tree-leaf-cell {
    display: flex; align-items: flex-start;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.tree-indent {
    display: inline-block;
    flex-shrink: 0;
}

.tree-toggle {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 14px; height: 14px;
    font-size: 10px; color: var(--gray-500);
    cursor: pointer; flex-shrink: 0;
    user-select: none;
}
.tree-toggle:hover {
    color: var(--primary-dark);
}
.tree-toggle-spacer {
    display: inline-block;
    width: 14px; flex-shrink: 0;
}

.tree-label {
    margin-left: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tree-leaf-label {
    margin-left: 4px;
    font-size: 11px;
    color: var(--gray-700);
}

.tree-count {
    margin-left: 6px;
    font-size: 9px;
    font-weight: 400;
    color: var(--gray-400);
}

/* --- Leaf rows (contract data) --- */
.data-table tr.tree-leaf-row td {
    padding: 4px 8px;
}
.data-table tr.tree-leaf-row td.sticky {
    background: #fff;
}
.data-table tr.tree-leaf-row:hover td {
    background: var(--primary-bg);
}
.data-table tr.tree-leaf-row:hover td.sticky {
    background: var(--primary-bg);
}

/* ==========================================================================
   Editable Cells
   ========================================================================== */
.cell-editable {
    cursor: pointer; position: relative;
}
.cell-month-pct {
    width: var(--col-month-pct); max-width: var(--col-month-pct);
    border-left: 1px solid var(--gray-200);
}
.cell-month-amt {
    width: var(--col-month-amt); max-width: var(--col-month-amt);
    border-left: none !important;
    background: var(--gray-50);
}
.data-table tr:hover td.cell-month-amt { background: var(--primary-bg); }
.cell-editable:hover {
    background: var(--primary-light) !important;
}
.cell-editable .cell-value {
    display: block; text-align: right;
    font-variant-numeric: tabular-nums;
}
.cell-editable .cell-value.has-value {
    color: var(--gray-800);
}
.cell-editable .cell-value.empty-value {
    color: var(--gray-300);
}

.cell-editing {
    padding: 0 !important;
    overflow: hidden;
}
.cell-editing input {
    width: 100%; height: 100%;
    min-width: 0;
    padding: 4px 6px; border: 2px solid var(--primary);
    font-family: var(--font-family); font-size: 11px;
    text-align: right; background: #fff;
    border-radius: 0; outline: none;
    font-variant-numeric: tabular-nums;
    box-sizing: border-box;
}

/* Out-of-range month cells (outside project start/end dates) */
.cell-out-of-range {
    background: var(--gray-200) !important;
}
.cell-out-of-range .cell-value.empty-value {
    color: var(--gray-300);
}
.cell-out-of-range .cell-value.has-value {
    color: var(--gray-500);
}
.data-table tr:hover td.cell-out-of-range { background: var(--gray-200) !important; }

.cell-saving { opacity: 0.5; }
.cell-success {
    animation: flash-success 0.6s ease;
}
.cell-error {
    animation: flash-error 0.6s ease;
}

@keyframes flash-success {
    0% { background: var(--success-light); }
    100% { background: transparent; }
}
@keyframes flash-error {
    0% { background: var(--danger-light); }
    100% { background: transparent; }
}

/* ==========================================================================
   View Mode: hide % or $ columns
   ========================================================================== */
.data-table.view-pct .cell-month-amt,
.data-table.view-pct th.col-month-sub.sub-amt { display: none; }
.data-table.view-pct th.col-month-group { border-left: 1px solid var(--gray-200); }

.data-table.view-amt .cell-month-pct,
.data-table.view-amt th.col-month-sub:not(.sub-amt) { display: none; }
.data-table.view-amt th.col-month-group { border-left: 1px solid var(--gray-200); }

/* When showing single column, group header spans 1 not 2 — handled by JS */

/* ==========================================================================
   Allocated % column — visual separator before monthly columns
   ========================================================================== */
.data-table td.td-pct-alloc,
.data-table th.col-pct-alloc {
    background: var(--gray-100);
    border-right: 2px solid var(--gray-400);
    font-weight: 600;
}
.data-table tr:hover td.td-pct-alloc { background: var(--primary-bg); }
.data-table tr.tree-group-row td.td-pct-alloc { border-right: 2px solid var(--gray-400); }
.data-table tr.summary-row td.td-pct-alloc { background: var(--gray-100); }

.pct-over { color: var(--danger); font-weight: 600; }
.pct-under { color: var(--warning); }
.pct-full { color: var(--success); font-weight: 600; }

/* ==========================================================================
   Summary Row
   ========================================================================== */
.data-table tr.summary-row td {
    font-weight: 700; background: var(--gray-100);
    border-top: 2px solid var(--gray-400);
    border-bottom: none;
    font-size: 11px;
}

/* ==========================================================================
   Chart Modal
   ========================================================================== */
.chart-modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 9000;
    display: flex; align-items: center; justify-content: center;
}
.chart-modal-overlay.hidden { display: none; }

.chart-modal-content {
    background: #fff;
    width: 90vw; max-width: 1200px; max-height: 85vh;
    border: 1px solid var(--gray-300);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    display: flex; flex-direction: column;
    overflow: hidden;
}

.chart-modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
}
.chart-modal-header h3 {
    font-size: 14px; font-weight: 700;
    color: var(--gray-800); margin: 0;
}
.chart-modal-close {
    font-size: 20px; font-weight: 300;
    background: none; border: none;
    color: var(--gray-400); cursor: pointer;
    padding: 0 4px; line-height: 1;
}
.chart-modal-close:hover { color: var(--gray-800); }

.chart-filter-banner {
    padding: 6px 16px;
    font-size: 11px; font-weight: 500;
    color: var(--warning-dark, #a57a2e);
    background: var(--warning-light);
    border-bottom: 1px solid var(--gray-200);
}
.chart-filter-banner.hidden { display: none; }

.chart-container {
    flex: 1; padding: 16px;
    min-height: 350px; position: relative;
}
.chart-container svg { width: 100%; height: 100%; }

/* --- Breakdown tooltip (mini bar chart) --- */
.chart-breakdown-tooltip {
    position: absolute;
    background: #fff;
    border: 1px solid var(--gray-300);
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    padding: 10px 14px;
    font-size: 11px;
    z-index: 100;
    min-width: 240px;
    max-width: 360px;
    pointer-events: none;
}
.chart-breakdown-tooltip.hidden { display: none; }

.breakdown-header {
    font-size: 12px; font-weight: 700;
    color: var(--gray-800);
    padding-bottom: 8px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--gray-200);
}

.breakdown-empty {
    font-size: 10px; color: var(--gray-400);
    padding: 4px 0;
}

.breakdown-bars {
    display: flex; flex-direction: column;
    gap: 4px;
}

.breakdown-row {
    display: flex; align-items: center;
    gap: 6px;
}

.breakdown-label {
    width: 120px; min-width: 120px;
    font-size: 10px; color: var(--gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breakdown-bar-wrap {
    flex: 1; height: 12px;
    background: var(--gray-100);
    position: relative;
}

.breakdown-bar {
    height: 100%;
    min-width: 1px;
    transition: width 0.15s ease;
}

.breakdown-value {
    width: 70px; min-width: 70px;
    text-align: right;
    font-size: 10px; font-weight: 600;
    color: var(--gray-700);
    font-variant-numeric: tabular-nums;
}

.chart-legend {
    display: flex; flex-wrap: wrap; gap: 12px;
    padding: 8px 16px 12px;
    border-top: 1px solid var(--gray-200);
    font-size: 11px;
}
.chart-legend-item { display: flex; align-items: center; gap: 4px; }
.chart-legend-swatch { width: 12px; height: 3px; flex-shrink: 0; }

/* ==========================================================================
   Print Dialog
   ========================================================================== */
.print-dialog-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 9000;
    display: flex; align-items: center; justify-content: center;
}
.print-dialog-content {
    background: #fff; padding: 24px 32px; min-width: 280px;
    border: 1px solid var(--gray-300);
}
.print-dialog-content h3 { font-size: 14px; margin-bottom: 12px; }
.print-options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.print-option { font-size: 12px; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.print-dialog-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .no-print { display: none !important; }
    body { font-size: 9px; background: #fff; }
    .dashboard-header { padding: 8px 0; border-bottom-width: 1px; }
    .header-title { font-size: 14px; }
    .kpi-bar { padding: 4px 0; gap: 16px; }
    .grid-container { max-height: none; overflow: visible; }
    .data-table th { font-size: 8px; padding: 3px 4px; }
    .data-table td { font-size: 9px; padding: 2px 4px; }
    .cell-editable:hover { background: transparent !important; }
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
}
@media print and (orientation: landscape) {
    @page { size: landscape; margin: 0.3in; }
}
@media print and (orientation: portrait) {
    @page { size: portrait; margin: 0.3in; }
}