:root{--bg: #f6f5f1;--surface: #ffffff;--surface-soft: #fbfaf7;--ink: #1a1f2e;--ink-soft: #4a5363;--ink-muted: #8b94a3;--line: #e3e1dc;--line-strong: #c9c5be;--accent: #1e3a5f;--accent-hover: #28486f;--accent-soft: #eaf0f7;--danger: #a4243b;--danger-soft: #faecee;--success: #2d5d3e;--success-soft: #e7f0ea;--warn-bg: #fdf6e3;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 16px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 40px rgba(15, 23, 42, .18);--radius: 6px;--radius-sm: 4px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-shell{max-width:1180px;margin:0 auto;padding:32px 24px 80px}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid var(--line)}.app-header h1{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin:0;color:var(--ink-soft)}.app-header .doc-type{font-size:22px;font-weight:500;letter-spacing:-.01em;color:var(--ink)}.header-right{display:flex;align-items:center;gap:14px}.save-status{font-size:11px;color:var(--ink-muted);display:flex;align-items:center;gap:6px;font-feature-settings:"tnum";letter-spacing:.04em}.save-status .dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.save-status.unsaved .dot{background:var(--warn-bg);border:1px solid #c5a25c}.save-status.error .dot{background:var(--danger)}.section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}.section-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--surface-soft)}.section-head 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var(--accent-soft)}.field-textarea{resize:vertical;min-height:60px;line-height:1.45}.period-range{display:flex;align-items:center;gap:8px}.period-range input{flex:1}.period-range .dash{color:var(--ink-muted);font-size:12px}.expense-table{width:100%;border-collapse:collapse;font-size:13px}.expense-table th{text-align:left;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted);padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface-soft)}.expense-table td{padding:4px 8px;border-bottom:1px solid var(--line);vertical-align:middle}.expense-table tr:last-child td{border-bottom:none}.expense-table input,.expense-table select{font:inherit;color:var(--ink);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:7px 8px;width:100%;transition:border-color .12s ease,background .12s ease}.expense-table input:hover,.expense-table 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var(--line-strong);background:var(--surface-soft);color:var(--ink-muted);cursor:pointer;padding:5px 8px;border-radius:var(--radius-sm);font-size:11px;width:100%;display:flex;align-items:center;justify-content:center;gap:4px;transition:all .12s ease}.receipt-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.receipt-btn.has-file{background:var(--success-soft);color:var(--success);border-style:solid;border-color:var(--success)}.receipt-btn svg{width:12px;height:12px}.receipt-thumb{display:inline-block;width:28px;height:28px;border-radius:var(--radius-sm);object-fit:cover;vertical-align:middle;cursor:pointer;border:1px solid var(--line)}.delete-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--ink-muted);cursor:pointer;width:28px;height:28px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;transition:background .12s ease,color .12s 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