:root{--bg: #f0f2f5;--bg-card: #ffffff;--bg-subtle: #fafbfd;--bg-input: #ffffff;--bg-toolbar: #1a3a5c;--bg-hover: #f0f6ff;--bg-tag: #f4f6fa;--border: #dde3ec;--border-input: #cccccc;--border-focus: #1a6bbd;--text: #222222;--text-2: #444444;--text-3: #555555;--text-4: #777777;--text-5: #aaaaaa;--accent: #1a6bbd;--accent-toolbar:#1a3a5c;--tab-active-border: #1a6bbd;--tab-active-text: #1a3a5c;--tab-inactive-text: #555555;--readonly-bg: #f4f6fa;--readonly-border: #dde3ec;--readonly-text: #333333;--positive-text: #1a7a3a;--positive-bg: #f0faf3;--positive-border: #b2dfc0;--negative-text: #a83232;--negative-bg: #fff0f0;--negative-border: #f0bcbc;--refund-bg: #e8f8ee;--refund-border: #5cb87a;--refund-text: #1a6b3a;--owed-bg: #fdecea;--owed-border: #e07070;--owed-text: #8b1a1a;--notice-bg: #fffbea;--notice-border: #e8d87a;--entry-bg: #fafbfd;--entry-border: #dde3ec;--remove-btn-bg: #fff5f5;--remove-btn-border: #e0a0a0;--remove-btn-text: #bb3333;--remove-btn-hover: #ffe0e0;--add-btn-bg: #f0f6ff;--add-btn-border: #1a6bbd;--add-btn-text: #1a6bbd;--add-btn-hover: #ddeeff;--toolbar-btn-border: rgba(255,255,255,.4);--toolbar-btn-bg: rgba(255,255,255,.15);--toolbar-btn-hover: rgba(255,255,255,.28);--shadow-sm: rgba(0,0,0,.07)}[data-theme=dark]{color-scheme:dark;--bg: #000000;--bg-card: #1e1f2e;--bg-subtle: #1a1b2a;--bg-input: #252636;--bg-toolbar: #0f1a2e;--bg-hover: #252840;--bg-tag: #252636;--border: #3a3b4e;--border-input: #4a4b60;--border-focus: #5b9bff;--text: #e8e9f0;--text-2: #c0c1d0;--text-3: #9e9fb0;--text-4: #6e6f80;--text-5: #4e4f60;--accent: #5b9bff;--accent-toolbar:#0f1a2e;--tab-active-border: #5b9bff;--tab-active-text: #8bbfff;--tab-inactive-text: #9e9fb0;--readonly-bg: #252636;--readonly-border: #3a3b4e;--readonly-text: #c0c1d0;--positive-text: #5dc87a;--positive-bg: #1a2e22;--positive-border: #2e5a3a;--negative-text: #e07070;--negative-bg: #2a1a1a;--negative-border: #5a2a2a;--refund-bg: #1a2e22;--refund-border: #3a7a50;--refund-text: #5dc87a;--owed-bg: #2a1a1a;--owed-border: #7a3a3a;--owed-text: #e07070;--notice-bg: #26240e;--notice-border: #5a5020;--entry-bg: #1a1b2a;--entry-border: #3a3b4e;--remove-btn-bg: #2a1a1a;--remove-btn-border: #5a3030;--remove-btn-text: #e07070;--remove-btn-hover: #3a1a1a;--add-btn-bg: #1a2240;--add-btn-border: #5b9bff;--add-btn-text: #5b9bff;--add-btn-hover: #1e2a50;--toolbar-btn-border: rgba(255,255,255,.2);--toolbar-btn-bg: rgba(255,255,255,.08);--toolbar-btn-hover: rgba(255,255,255,.16);--shadow-sm: rgba(0,0,0,.35)}body{background-color:var(--bg);color:var(--text);margin:0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px}.app{max-width:960px;margin:0 auto;padding-bottom:40px}.toolbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-toolbar);color:#fff;position:sticky;top:0;z-index:100}.toolbar h1{font-size:18px;font-weight:700;flex:1}.toolbar select{padding:5px 8px;border-radius:4px;border:none;font-size:14px;background:var(--bg-input);color:var(--text);cursor:pointer}.toolbar button{padding:6px 14px;border-radius:4px;border:1px solid var(--toolbar-btn-border);background:var(--toolbar-btn-bg);color:#fff;font-size:14px;cursor:pointer;transition:background .15s}.toolbar button:hover{background:var(--toolbar-btn-hover)}.tab-bar{display:flex;flex-wrap:wrap;background:var(--bg-card);border-bottom:2px solid var(--border);padding:0 16px}.tab-bar button{padding:10px 14px;border:none;background:none;color:var(--tab-inactive-text);font-size:13px;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;transition:color .12s,border-color .12s}.tab-bar button:hover{color:var(--tab-active-text)}.tab-bar button.active{color:var(--tab-active-text);font-weight:600;border-bottom-color:var(--tab-active-border)}.tab-content{padding:20px 16px}.form-section{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:16px 20px;margin-bottom:16px}.form-section h2{font-size:15px;font-weight:700;color:var(--tab-active-text);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.form-section h3{font-size:13px;font-weight:600;color:var(--text-2);margin:12px 0 8px}.field-row{display:grid;grid-template-columns:200px 1fr;align-items:center;gap:8px;margin-bottom:8px}.field-row label{font-size:13px;color:var(--text-3);text-align:right;padding-right:8px}.field-row input,.field-row select{padding:5px 8px;border:1px solid var(--border-input);border-radius:4px;font-size:13px;width:100%;max-width:320px;background:var(--bg-input);color:var(--text)}.field-row input:focus,.field-row select:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 2px #5b9bff26}.readonly-value{display:inline-block;padding:5px 8px;background:var(--readonly-bg);border:1px solid var(--readonly-border);border-radius:4px;font-family:Courier New,monospace;font-size:13px;color:var(--readonly-text);min-width:140px}.readonly-value.positive{color:var(--positive-text);background:var(--positive-bg);border-color:var(--positive-border)}.readonly-value.negative{color:var(--negative-text);background:var(--negative-bg);border-color:var(--negative-border)}.entry-card{border:1px solid var(--entry-border);border-radius:6px;padding:14px 16px;margin-bottom:12px;background:var(--entry-bg);position:relative}.entry-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.entry-card-header span{font-size:13px;font-weight:600;color:var(--tab-active-text)}.btn-remove{padding:3px 10px;border:1px solid var(--remove-btn-border);border-radius:4px;background:var(--remove-btn-bg);color:var(--remove-btn-text);font-size:12px;cursor:pointer}.btn-remove:hover{background:var(--remove-btn-hover)}.btn-add{padding:7px 16px;border:1px dashed var(--add-btn-border);border-radius:4px;background:var(--add-btn-bg);color:var(--add-btn-text);font-size:13px;cursor:pointer;margin-top:4px}.btn-add:hover{background:var(--add-btn-hover)}.summary-box{padding:14px 20px;border-radius:6px;font-size:16px;font-weight:700;margin-top:16px;text-align:center}.summary-box.refund{background:var(--refund-bg);border:2px solid var(--refund-border);color:var(--refund-text)}.summary-box.owed{background:var(--owed-bg);border:2px solid var(--owed-border);color:var(--owed-text)}.summary-box.neutral{background:var(--bg-tag);border:2px solid var(--border);color:var(--text-3)}.divider{border:none;border-top:1px solid var(--border);margin:12px 0}.notice{font-size:12px;color:var(--text-4);background:var(--notice-bg);border:1px solid var(--notice-border);border-radius:4px;padding:8px 12px;margin-bottom:12px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.vault-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200}.vault-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;width:480px;max-width:calc(100vw - 32px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 8px 32px #0000004d}.vault-card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.vault-card-header h2{font-size:16px;font-weight:700;color:var(--tab-active-text);margin:0}.vault-close{background:none;border:none;font-size:16px;cursor:pointer;color:var(--text-3);padding:2px 6px;line-height:1}.vault-source-tabs{display:flex;border-bottom:1px solid var(--border)}.vault-source-tabs button{flex:1;padding:8px 0;background:none;border:none;border-bottom:2px solid transparent;font-size:13px;color:var(--text-3);cursor:pointer;transition:color .15s,border-color .15s}.vault-source-tabs button.active{color:var(--tab-active-text);border-bottom-color:var(--accent);font-weight:600}.vault-source-tabs button:hover:not(.active){color:var(--text)}.vault-iframe{width:100%;height:220px;border:none;border-bottom:1px solid var(--border);background:var(--bg-input)}.vault-actions{display:flex;gap:10px;padding:14px 16px}.vault-actions button{padding:7px 16px;border-radius:4px;border:1px solid var(--toolbar-btn-border);background:var(--toolbar-btn-bg);color:#fff;font-size:13px;cursor:pointer}.vault-actions button:hover{background:var(--toolbar-btn-hover)}.vault-feedback{padding:0 16px 14px;font-size:13px;color:var(--text-3);margin:0}.calc-table{border-collapse:collapse;font-size:13px;width:100%;max-width:640px}.calc-table th,.calc-table td{padding:6px 12px;text-align:right;border-bottom:1px solid var(--border)}.calc-table th:first-child,.calc-table td:first-child{text-align:left;color:var(--text-3);min-width:160px}.calc-table th{font-weight:600;color:var(--tab-active-text);background:var(--readonly-bg)}.calc-table td{font-family:Courier New,monospace;color:var(--text)}.calc-table td:first-child{font-family:inherit}.calc-table tr.calc-table-divider td{border-top:2px solid var(--border);font-weight:600}@media(max-width:640px){.field-row{grid-template-columns:1fr}.field-row label{text-align:left;padding-right:0}.two-col{grid-template-columns:1fr}}