:root { --primary: #005f5f; --accent: #b8860b; --text: #2d3436; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', sans-serif; background: #f0f4f3; }

.page-header { background: linear-gradient(135deg, var(--primary), #008080); color:#fff; padding:44px 0 40px; margin:0; }
.page-header > .container-xl { max-width:1320px; margin:0 auto; padding-left:16px; padding-right:16px; }
@media (min-width:1400px) { .page-header > .container-xl { max-width:1320px; } }
.breadcrumb { font-size:13px; opacity:.75; margin-bottom:10px; }
.breadcrumb a { color:#fff; text-decoration:none; }
.page-header h1 { font-size:30px; font-weight:800; margin:0 0 6px; }
.page-header p { font-size:15px; opacity:.88; max-width:760px; }

.wrap { max-width:1180px; margin:36px auto 60px; padding:0 20px; }
.card { background:#fff; border-radius:14px; padding:24px 28px; box-shadow:0 4px 14px rgba(0,0,0,.06); margin-bottom:22px; }
.card h2 { font-size:17px; color:var(--primary); font-weight:700; border-bottom:2px solid #e4f0f0; padding-bottom:10px; margin-bottom:20px; display:flex; align-items:center; gap:10px; }
.card h2 .step-num { background:var(--primary); color:#fff; font-size:12px; font-weight:700; width:24px; height:24px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; }
.card h2 .meta { margin-left:auto; font-size:12px; color:#888; font-weight:500; text-transform:none; }

/* Config grid */
.cfg-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.fg { margin-bottom:0; }
label { display:block; font-size:13px; font-weight:600; color:#555; margin-bottom:6px; }
label .ref { color:var(--accent); font-weight:600; font-size:12px; margin-left:4px; }
input[type=number], input[type=month], select {
  width:100%; padding:11px 14px; border:1.5px solid #ddd; border-radius:9px;
  font-size:15px; color:var(--text); background:#fafafa; transition:.2s; -webkit-appearance:none; appearance:none;
}
input[type=month] { font-family:inherit; }
input:focus, select:focus { outline:none; border-color:var(--primary); background:#fff; }
.hint { font-size:12px; color:#aaa; margin-top:4px; line-height:1.4; }

.sel-wrap { position:relative; }
.sel-wrap select { padding-right:36px; }
.sel-arrow { position:absolute; right:13px; top:50%; transform:translateY(-50%); font-size:12px; color:#888; pointer-events:none; }

/* Toggle chips */
.toggle-row { display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; padding-top:18px; border-top:1px dashed #cde; }
.toggle-chip { background:#f7fbfb; border:1.5px dashed #cde; padding:10px 16px; border-radius:9px; cursor:pointer; font-size:13px; font-weight:600; color:#555; transition:.2s; display:inline-flex; align-items:center; gap:10px; }
.toggle-chip:hover { background:#eef5f5; border-color:var(--primary); border-style:solid; }
.toggle-chip input[type=checkbox] { width:16px; height:16px; accent-color:var(--primary); cursor:pointer; }
.toggle-chip input[type=number] { width:60px; padding:5px 8px; font-size:13px; text-align:center; border:1.5px solid #ddd; border-radius:6px; background:#fff; }
.toggle-chip .ref { color:var(--accent); font-weight:600; font-size:12px; }
.toggle-chip.on { background:#e8f5f5; border-color:var(--primary); border-style:solid; color:var(--primary); }

/* Ledger toolbar */
.ledger-toolbar { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; background:#f7fbfb; border:1px solid #ddeeed; border-radius:10px; padding:12px 18px; margin-bottom:16px; }
.toolbar-info { font-size:13px; color:#555; }
.toolbar-info strong { color:var(--primary); font-weight:700; }
.quick-fill { display:flex; gap:8px; align-items:center; }
.quick-fill input { width:140px; padding:8px 12px; border:1.5px solid #ddd; border-radius:7px; font-size:13px; background:#fff; }
.quick-fill button { padding:8px 16px; background:var(--primary); color:#fff; border:none; border-radius:7px; font-size:13px; font-weight:600; cursor:pointer; transition:.2s; }
.quick-fill button:hover { background:#004848; }

/* Ledger table */
.ledger-wrap { overflow-x:auto; border:1px solid #e4f0f0; border-radius:10px; }
.ledger { width:100%; border-collapse:collapse; font-size:13.5px; min-width:780px; }
.ledger thead th { background:#f0f6f6; padding:12px 14px; text-align:left; color:var(--primary); font-weight:700; border-bottom:2px solid #cde; font-size:13px; }
.ledger thead th .col-ref { display:none; font-size:11px; color:#888; font-weight:500; margin-top:2px; }
.ledger tbody td { padding:0; border-bottom:1px solid #f0f0f0; }
.ledger tbody td.label-cell { padding:9px 14px; font-weight:600; color:var(--text); }
.ledger tbody td.label-cell .row-num { color:var(--accent); font-size:11px; font-weight:700; margin-right:8px; }
.ledger tbody td.num-cell { padding:9px 14px; text-align:right; color:var(--text); font-variant-numeric:tabular-nums; }
.ledger tbody td.num-cell.muted { color:#888; background:#fafbfb; }
.ledger tbody td input {
  width:100%; padding:9px 12px; border:none; background:transparent;
  font-size:13.5px; color:var(--text); text-align:right; font-variant-numeric:tabular-nums; transition:.15s;
}
.ledger tbody td input:focus { outline:none; background:#fff8e8; box-shadow:inset 0 0 0 2px var(--accent); }
.ledger tbody td input:hover { background:#fafbfb; }
.ledger tbody tr:hover td { background:#fafcfc; }
.ledger tbody tr:hover td.num-cell.muted { background:#f5f8f8; }
.ledger tfoot td { background:var(--primary); color:#fff; padding:13px 14px; font-weight:700; font-size:14px; font-variant-numeric:tabular-nums; }
.ledger tfoot td:first-child { text-align:left; }
.ledger tfoot td:not(:first-child) { text-align:right; }

/* Result card */
.result-wrap { margin-top:4px; }
.result-card { background:#fff; border-radius:14px; box-shadow:0 4px 14px rgba(0,0,0,.06); overflow:hidden; margin-bottom:22px; }
.rc-head { background:linear-gradient(135deg,var(--primary),#008080); color:#fff; padding:22px 28px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; }
.rc-head h3 { font-size:17px; font-weight:700; margin:0 0 4px; }
.rc-head .rc-sub { font-size:13px; opacity:.85; }
.rc-final { text-align:right; }
.rc-final .rc-label { font-size:11px; opacity:.75; text-transform:uppercase; letter-spacing:.5px; }
.rc-final .rc-val { font-size:34px; font-weight:800; line-height:1.1; }
.rc-final .rc-val .cur { font-size:14px; opacity:.75; margin-left:6px; font-weight:600; }
.rc-body { padding:24px 28px; }
.stat-row { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:22px; }
.sbox { background:#f7fbfb; border:1px solid #ddeeed; border-radius:10px; padding:13px 15px; }
.sbox .sl { font-size:11px; color:#888; font-weight:700; text-transform:uppercase; letter-spacing:.4px; margin-bottom:5px; }
.sbox .sv { font-size:18px; font-weight:700; color:var(--primary); font-variant-numeric:tabular-nums; }
.sbox.highlight { background:var(--primary); border-color:var(--primary); }
.sbox.highlight .sl { color:rgba(255,255,255,.75); }
.sbox.highlight .sv { color:#fff; }
.sbox.gold { background:#fffbf2; border-color:#f0d880; }
.sbox.gold .sv { color:var(--accent); }

.detail-table { width:100%; border-collapse:collapse; font-size:14px; }
.detail-table th { background:#f0f6f6; padding:10px 14px; text-align:left; color:var(--primary); font-weight:700; border-bottom:2px solid #cde; font-size:13px; }
.detail-table td { padding:10px 14px; border-bottom:1px solid #f2f2f2; vertical-align:top; }
.detail-table td.amount { text-align:right; font-weight:600; font-variant-numeric:tabular-nums; white-space:nowrap; }
.detail-table tr.applied td { background:#fffbf2; }
.detail-table tr.applied td:first-child { border-left:3px solid var(--accent); }
.detail-table tr.applied .amount { color:var(--accent); font-weight:700; }
.detail-table tr.disabled td { color:#bbb; }
.detail-table tr.total-row td { background:#f0f6f6; font-weight:700; font-size:15px; color:var(--primary); border-top:2px solid #cde; border-bottom:none; }
.detail-table .formula { font-size:12px; color:#888; margin-top:2px; }

.emp-sec { margin-top:18px; background:#fffbf2; border:1px solid #f0d880; border-radius:10px; padding:16px 20px; }
.emp-sec h4 { font-size:14px; font-weight:700; color:var(--accent); margin-bottom:12px; }
.emp-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.ebox { background:#fff; border:1px solid #f0d880; border-radius:8px; padding:13px 16px; }
.ebox .el { font-size:11px; color:#999; font-weight:600; text-transform:uppercase; letter-spacing:.4px; margin-bottom:4px; }
.ebox .ev { font-size:18px; font-weight:700; color:var(--accent); font-variant-numeric:tabular-nums; }
.ebox .ed { font-size:11px; color:#888; margin-top:2px; font-weight:500; }

.info-note { background:#e8f5f5; border-left:4px solid var(--primary); border-radius:0 8px 8px 0; padding:12px 16px; margin-top:14px; font-size:14.5px; color:#004040; line-height:1.6; }
.warn-note { background:#fef6e7; border-left:4px solid var(--accent); border-radius:0 8px 8px 0; padding:12px 16px; margin-top:10px; font-size:13px; color:#6b4d05; line-height:1.6; }
.warn-note strong { color:var(--accent); }

.law-block { background:#f8f9ff; border:1px solid #c8d4f0; border-radius:10px; overflow:hidden; }
.law-title { background:#3a5ca8; color:#fff; font-size:13px; font-weight:700; padding:10px 16px; letter-spacing:.3px; }
.law-body { padding:16px 18px; font-size:12.5px; color:#333; line-height:1.75; }
.law-body p { margin-bottom:10px; }
.law-body p:last-child { margin-bottom:0; }
.law-body code { font-family:'Consolas','Monaco',monospace; font-size:11.5px; background:#e8edf8; padding:1px 6px; border-radius:3px; color:#3a5ca8; }

.hidden { display:none; }

@media (max-width:900px) {
  .cfg-grid { grid-template-columns:repeat(2,1fr); }
  .stat-row { grid-template-columns:repeat(2,1fr); }
  .emp-grid { grid-template-columns:1fr; }
  .rc-head { flex-direction:column; align-items:flex-start; }
  .rc-final { text-align:left; }
  .page-header h1 { font-size:24px; }
}
@media (max-width:560px) {
  .cfg-grid { grid-template-columns:1fr; }
  .stat-row { grid-template-columns:1fr; }
  }
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance:none; margin:0; }
input[type=number] { -moz-appearance:textfield; }