:root {
    --bg:#F7F6F3;--surface:#FFFFFF;--surface2:#F0EEE9;--border:#E4E2DB;--border2:#D0CEC7;
    --text:#1A1917;--text2:#6B6860;--text3:#9E9C97;
    --green:#1A7F5A;--green-bg:#E8F5EE;--red:#C0392B;--red-bg:#FDECEA;
    --amber:#B45309;--amber-bg:#FEF3E2;--blue:#1D5FA8;--blue-bg:#E8F0FB;
    --accent:#2563EB;--radius:10px;--radius-sm:6px;
    --shadow:0 1px 3px rgba(0,0,0,0.08),0 1px 2px rgba(0,0,0,0.04);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;min-height:100vh;display:flex}

  /* ── Sidebar ── */
  .sidebar{width:210px;min-height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
  .sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid var(--border)}
  .nav{display:flex;flex-direction:column;gap:2px;padding:12px 10px;flex:1}
  .nav-btn{display:flex;align-items:center;gap:10px;padding:9px 12px;border:none;border-radius:var(--radius-sm);background:transparent;cursor:pointer;color:var(--text2);font-size:13px;font-family:'DM Sans',sans-serif;font-weight:500;white-space:nowrap;transition:background 0.12s,color 0.12s;text-align:left;width:100%}
  .nav-btn:hover{background:var(--surface2);color:var(--text)}
  .nav-btn.active{background:#EEF2FF;color:var(--accent);font-weight:600}
  .nav-icon{font-size:15px;flex-shrink:0}
  .sidebar-footer{padding:12px 10px;border-top:1px solid var(--border)}

  /* ── Main content ── */
  .app{flex:1;min-width:0;padding:0 0 60px;max-width:900px}
  .header{padding:24px 28px 0}
  .page{display:none;padding:24px 28px}.page.active{display:block}
  .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
  .card-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:0.1px}
  .card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
  .metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:14px}
  .metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
  .metric-label{font-size:11px;font-weight:500;color:var(--text3);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:8px}
  .metric-link{cursor:pointer;transition:box-shadow 0.15s,transform 0.1s}
  .metric-link:hover{box-shadow:0 4px 12px rgba(37,99,235,0.15);transform:translateY(-1px);border-color:#93C5FD}
  .metric-value{font-size:22px;font-weight:600;color:var(--text);letter-spacing:-0.5px}
  .upload-zone{border:1.5px dashed var(--border2);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;background:var(--surface2);position:relative;transition:border-color 0.15s,background 0.15s}
  .upload-zone:hover{border-color:var(--accent);background:#EEF2FF}
  .upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
  .upload-icon{width:48px;height:48px;border-radius:12px;background:var(--blue-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:22px}
  .upload-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
  .upload-sub{font-size:12px;color:var(--text3)}
  .file-pill{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-top:10px}
  .ficon{width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0;background:var(--green-bg);color:var(--green);font-family:'DM Mono',monospace}
  .fname{flex:1;font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .fpill{font-size:11px;padding:3px 10px;border-radius:100px;background:var(--green-bg);color:var(--green);font-weight:500;flex-shrink:0}
  .fpill.err{background:var(--red-bg);color:var(--red)}
  .filter-bar{display:flex;gap:8px;margin-bottom:14px;flex-wrap:nowrap;align-items:center;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}
  .filter-bar label{font-size:11px;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:0.4px;white-space:nowrap}
  .filter-bar select{max-width:140px;min-width:90px;flex-shrink:0}
  select,input[type=text],input[type=number],input[type=color]{font-size:12px;padding:5px 10px;border-radius:var(--radius-sm);border:1px solid var(--border2);background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;cursor:pointer}
  input[type=text],input[type=number]{background:var(--surface);cursor:text}
  input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,0.1)}
  .txn-list-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
  .txn-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background 0.1s}
  .txn-row:last-child{border-bottom:none}
  .txn-row:hover{background:var(--surface2)}
  .txn-avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
  .txn-body{flex:1;min-width:0}
  .txn-name{font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:3px}
  .txn-meta{display:flex;align-items:center;gap:6px}
  .txn-date{font-size:11px;color:var(--text3)}
  .bank-pill{font-size:10px;padding:2px 7px;border-radius:100px;background:#F0EEE9;color:#6B6860;font-weight:500;border:1px solid #E4E2DB}
  .type-pill{font-size:10px;padding:2px 8px;border-radius:100px;font-weight:600;letter-spacing:0.2px}
  .type-pill.credit{background:var(--green-bg);color:var(--green)}
  .type-pill.debit{background:var(--red-bg);color:var(--red)}
  .cat-pill{font-size:10px;padding:2px 8px;border-radius:100px;font-weight:500}
  .amt{font-size:13px;font-weight:600;white-space:nowrap;margin-right:8px}
  .amt.neg{color:var(--red)}.amt.pos{color:var(--green)}
  .icon-btn{width:28px;height:28px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;transition:background 0.1s,border-color 0.1s}
  .icon-btn:hover{background:var(--surface2);border-color:var(--border2)}
  .icon-btn.del:hover{background:var(--red-bg);border-color:#f5b8b3}
  .edit-panel{padding:14px 16px;background:#F5F7FF;border-bottom:1px solid var(--border)}
  .edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .edit-field{display:flex;flex-direction:column;gap:4px}
  .edit-field label{font-size:10px;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:0.4px}
  .edit-field input,.edit-field select{width:100%}
  .edit-field.full{grid-column:1/-1}
  .edit-actions{display:flex;gap:8px;margin-top:12px;justify-content:flex-end}
  .btn{font-size:13px;padding:7px 16px;border-radius:var(--radius-sm);cursor:pointer;font-family:'DM Sans',sans-serif;font-weight:500;transition:all 0.15s;border:none}
  .btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#1D4ED8}
  .btn-ghost{background:transparent;border:1px solid var(--border2);color:var(--text2)}.btn-ghost:hover{background:var(--surface2)}
  .btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#A93226}
  .btn-outline{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:7px 14px;border-radius:var(--radius-sm);border:1px solid var(--border2);background:var(--surface);color:var(--text);cursor:pointer;font-family:'DM Sans',sans-serif;font-weight:500;transition:all 0.15s}
  .btn-outline:hover{background:var(--surface2)}
  .add-panel{border:1px solid var(--border);border-radius:var(--radius);background:#F5F7FF;padding:16px;margin-bottom:14px;display:none}
  .add-panel-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
  .cat-bar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
  .cbl{width:110px;font-size:12px;color:var(--text2);text-align:right;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .cbt{flex:1;height:7px;background:var(--surface2);border-radius:100px;overflow:hidden}
  .cbf{height:100%;border-radius:100px;transition:width 0.4s ease}
  .cbv{width:80px;text-align:right;font-size:12px;font-weight:600;color:var(--text);flex-shrink:0;font-family:'DM Mono',monospace}
  .budget-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
  .budget-item:last-child{border-bottom:none}
  .budget-body{flex:1}
  .budget-name{font-size:13px;font-weight:500;color:var(--text);margin-bottom:5px;display:flex;align-items:center;gap:7px}
  .budget-track{height:5px;background:var(--surface2);border-radius:100px;overflow:hidden}
  .budget-fill{height:100%;border-radius:100px;transition:width 0.3s}
  .budget-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--text3);margin-top:4px;font-family:'DM Mono',monospace}
  .budget-pct{font-size:12px;font-weight:600;width:38px;text-align:right;flex-shrink:0;font-family:'DM Mono',monospace}
  .budget-inp{font-size:12px;padding:4px 8px;border-radius:var(--radius-sm);border:1px solid var(--border2);background:var(--surface);color:var(--text2);width:76px;flex-shrink:0;font-family:'DM Mono',monospace}
  .step-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
  .step-item:last-child{margin-bottom:0}
  .step-num{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0;background:var(--blue-bg);color:var(--blue);margin-top:1px}
  .step-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:3px}
  .step-desc{font-size:12px;color:var(--text2);line-height:1.6}
  code{font-family:'DM Mono',monospace;font-size:11px;background:var(--surface2);padding:2px 7px;border-radius:4px;color:var(--text);border:1px solid var(--border)}
  .home-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
  .home-action-btn{padding:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;text-align:left;transition:all 0.15s;box-shadow:var(--shadow)}
  .home-action-btn:hover{border-color:var(--accent);background:#F0F4FF;transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,0.1)}
  .ha-icon{font-size:24px;margin-bottom:10px}
  .ha-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:3px}
  .ha-sub{font-size:12px;color:var(--text3)}
  .status-bar{font-size:12px;color:var(--text2);margin-top:8px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}
  /* ── Category management ── */
  .cat-list{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
  .cat-row{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
  .cat-row-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
  .cat-row-name{font-size:14px;font-weight:600;min-width:120px;flex-shrink:0}
  .cat-row-count{font-size:11px;color:var(--text3);min-width:60px;flex-shrink:0}
  .cat-role-sel{font-size:11px;padding:4px 8px;border-radius:20px;border-width:1.5px;border-style:solid;font-weight:600;cursor:pointer;outline:none;flex-shrink:0}
  .cat-row-actions{display:flex;gap:4px;margin-left:auto;flex-shrink:0}
  .cat-swatch{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
  .cat-info{flex:1;min-width:0}
  .cat-name{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .cat-txn-count{font-size:11px;color:var(--text3);margin-top:2px}
  .cat-actions{display:flex;gap:4px;flex-shrink:0}
  .new-cat-form{background:#F5F7FF;border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px;display:none}
  .new-cat-form.open{display:block}
  .new-cat-grid{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:end;margin-bottom:12px}
  .color-field{display:flex;flex-direction:column;gap:4px}
  .color-field label{font-size:10px;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:0.4px}
  input[type=color]{width:48px;height:34px;padding:2px 4px;cursor:pointer;border-radius:var(--radius-sm)}
  .emoji-picker{display:flex;flex-wrap:wrap;gap:6px;padding:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px}
  .emoji-opt{font-size:20px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:8px;cursor:pointer;transition:background 0.1s;border:2px solid transparent}
  .emoji-opt:hover{background:var(--surface2)}
  .emoji-opt.selected{background:var(--blue-bg);border-color:var(--accent)}
  .toast{position:fixed;bottom:24px;left:calc(210px + 50%);transform:translateX(-50%) translateY(20px);background:var(--text);color:#fff;font-size:13px;font-weight:500;padding:10px 20px;border-radius:100px;opacity:0;transition:opacity 0.2s,transform 0.2s;pointer-events:none;white-space:nowrap;z-index:999;box-shadow:0 4px 16px rgba(0,0,0,0.2)}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  .toast.success{background:var(--green)}.toast.error{background:var(--red)}
  .empty-state{text-align:center;padding:40px 20px;color:var(--text3)}
  .empty-icon{font-size:32px;margin-bottom:10px;opacity:0.5}
  .empty-text{font-size:13px}
  .dot-pulse{display:inline-flex;gap:3px;vertical-align:middle}
  .dot-pulse span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:dp 1.2s infinite}
  .dot-pulse span:nth-child(2){animation-delay:.2s}
  .dot-pulse span:nth-child(3){animation-delay:.4s}
  @keyframes dp{0%,80%,100%{opacity:.2}40%{opacity:1}}
  .txn-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
  .bulk-bar{display:none;align-items:center;gap:10px;padding:10px 14px;background:#E8F0FB;border:1px solid #B5D4F4;border-radius:var(--radius);margin-bottom:10px}
  .bulk-bar.visible{display:flex}
  .bulk-count{font-size:13px;font-weight:500;color:#1D5FA8;flex:1}
  .txn-check{width:16px;height:16px;cursor:pointer;accent-color:var(--accent);flex-shrink:0}
  .txn-row.selected{background:#EEF4FF}
  .month-nav{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px}
  .month-nav-label{font-size:14px;font-weight:600;color:var(--text);flex:1;text-align:center}
  .month-nav-btn{width:30px;height:30px;border-radius:var(--radius-sm);border:1px solid var(--border2);background:var(--bg);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background 0.1s;flex-shrink:0}
  .month-nav-btn:hover{background:var(--surface2)}
  .month-nav-btn:disabled{opacity:0.3;cursor:not-allowed}
  .month-all-btn{font-size:11px;padding:4px 10px;border-radius:100px;border:1px solid var(--border2);background:var(--bg);cursor:pointer;color:var(--text2);font-family:"DM Sans",sans-serif;font-weight:500;transition:all 0.1s}
  .month-all-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
  .trend-chart-wrap{position:relative;width:100%;height:180px}
  .txn-count{font-size:12px;color:var(--text3);font-weight:500}