.panel { margin:0 0 16px; padding:26px; background:var(--hydro-surface); border:1px solid var(--hydro-line); border-radius:var(--hydro-radius); }
.section-heading { display:flex; gap:12px; align-items:center; margin:0 0 24px; }
.section-heading>span { padding:6px 8px; color:var(--hydro-accent); background:var(--hydro-soft); border-radius:6px; font-size:.82rem; }
h2 { margin:0; font-size:1.22rem; font-weight:500; line-height:1.3; }
h3 { font-size:1.05rem; font-weight:600; }
.grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px 22px; }
.grid.three { grid-template-columns:repeat(3,minmax(0,1fr)); }
.field label,.field-label { display:block; margin-bottom:7px; font-weight:500; }
.field small { display:block; margin-top:6px; color:var(--hydro-muted); font-size:.84rem; }
input,select,textarea { width:100%; min-width:0; min-height:48px; padding:9px 12px; color:var(--hydro-text); background:var(--hydro-surface); border:1px solid var(--hydro-line); border-radius:6px; font-size:max(16px,1rem); }
.calculated-value { display:flex; align-items:center; width:100%; min-height:48px; padding:9px 12px; color:var(--hydro-accent); background:#eef7f5; border:1px solid var(--hydro-line); border-radius:6px; font-weight:700; font-variant-numeric:tabular-nums; }
input[type="checkbox"] { width:24px; height:24px; min-height:24px; padding:0; accent-color:var(--hydro-button); }
.check-row { display:flex; gap:10px; align-items:flex-start; margin-top:16px; }
.check-row label { padding-top:1px; font-weight:500; }
.hidden,[hidden] { display:none!important; }
.note { margin:18px 0 0; padding:13px 15px; color:var(--hydro-muted); background:var(--hydro-soft); border-left:4px solid var(--hydro-accent); border-radius:6px; }
.analysis { margin-top:18px; padding:16px; color:var(--hydro-text); background:var(--hydro-soft); border:1px solid var(--hydro-line); border-radius:8px; }
.analysis strong { color:var(--hydro-accent); }
.formula-preview .formula { margin:10px 0 6px; background:var(--hydro-surface); }
.formula-preview small { color:var(--hydro-muted); }
.stage-list { display:grid; gap:12px; }
.stage { padding:16px; background:var(--hydro-soft); border:1px solid var(--hydro-line); border-radius:8px; }
.stage h3 { margin:0 0 12px; color:var(--hydro-text); }
.action-panel { display:grid; gap:14px; }
button.primary { width:100%; padding:12px 18px; color:var(--hydro-on-button); background:var(--hydro-button); border:0; border-radius:7px; font-weight:600; }
button.primary:hover { filter:brightness(.92); }
.message { padding:14px 16px; border-radius:8px; white-space:pre-line; }
.message.error { color:var(--hydro-danger); background:color-mix(in srgb,var(--hydro-danger) 8%,var(--hydro-surface)); border:1px solid color-mix(in srgb,var(--hydro-danger) 35%,var(--hydro-line)); }
.message.success { color:var(--hydro-ok); background:color-mix(in srgb,var(--hydro-ok) 8%,var(--hydro-surface)); border:1px solid color-mix(in srgb,var(--hydro-ok) 35%,var(--hydro-line)); }
.report { margin-top:24px; padding:30px; background:var(--hydro-surface); border:1px solid var(--hydro-line); border-radius:var(--hydro-radius); box-shadow:0 12px 36px rgba(20,50,60,.09); }
.report-header { padding-bottom:16px; border-bottom:3px solid var(--hydro-accent); }
.report-header h2 { font-size:2rem; }
.report-header p { margin:6px 0 0; color:var(--hydro-muted); }
.report-section { margin-top:26px; }
.report-section h3 { padding-bottom:6px; border-bottom:1px solid var(--hydro-line); }
.report-callout { padding:14px; background:var(--hydro-soft); border-left:4px solid var(--hydro-accent); border-radius:6px; }
.report-branding { margin-top:34px; padding:22px 12px 4px; text-align:center; border-top:1px solid var(--hydro-line); break-inside:avoid; }
.report-branding-logos { display:flex; justify-content:space-between; align-items:center; width:min(100%,460px); margin:0 auto 14px; }
.report-branding-logos img { display:block; width:auto; object-fit:contain; }
.report-branding-geaqua { height:44px; }
.report-branding-shp { height:33px; }
.report-branding p { margin:4px auto; max-width:780px; }
.report-branding-generated,.report-branding-owner { font-weight:700; }
.report-branding p:not(.report-branding-generated):not(.report-branding-owner) { color:var(--hydro-muted); font-size:.9rem; font-style:italic; }
.report-technical-footer { display:none; }
.warning-list { color:var(--hydro-warning); }
.formula { overflow-x:auto; padding:13px; background:var(--hydro-soft); border:1px solid var(--hydro-line); border-radius:8px; font-family:"Cambria Math",Cambria,serif; white-space:nowrap; }
.substitution { margin-top:8px; padding-left:12px; border-left:3px solid var(--hydro-line); font-family:ui-monospace,Consolas,monospace; font-size:.9rem; overflow-wrap:anywhere; }
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; margin-top:10px; }
th,td { padding:9px 10px; border:1px solid var(--hydro-line); text-align:left; vertical-align:top; }
th { background:var(--hydro-soft); font-size:.88rem; }
td.number { text-align:right; font-variant-numeric:tabular-nums; }
.ratio-best { color:var(--hydro-ok); font-weight:800; }
.historical-note { max-width:900px; margin:10px 0 0; }
.print-only { display:none; }
@media (max-width:840px) { .grid.three { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:700px) {
  .grid,.grid.three { grid-template-columns:1fr; }
  .panel { padding:20px 16px; } .report { padding:20px 14px; }
}
@media print {
  @page { size:A4; margin:16mm; }
  .print-only { display:block; }
  .report { margin:0; padding:0 0 10mm; color:#000; background:#fff; border:0; border-radius:0; box-shadow:none; }
  .report-section { break-inside:avoid; }
  .report-header h2 { font-size:18pt; }
  .report-branding { margin-top:12mm; padding:6mm 4mm 0; color:#000; border-top:1px solid #91a4b7; font-size:9pt; }
  .report-branding-logos { width:120mm; max-width:100%; margin-bottom:4mm; }
  .report-branding-geaqua { height:15mm; }
  .report-branding-shp { height:11.25mm; }
  .report-branding p { margin:1.2mm auto; }
  .report-branding p:not(.report-branding-generated):not(.report-branding-owner) { color:#000; font-size:8.5pt; }
  .report-technical-footer { position:fixed; right:0; bottom:-10mm; left:0; display:flex; justify-content:space-between; color:#333; font:8pt/1.2 "Segoe UI",sans-serif; }
  .report-page-number::after { content:counter(page); }
  table { break-inside:avoid; font-size:8.5pt; }
  th,td { padding:5px; border-color:#555; }
  th,.formula,.report-callout { color:#000; background:#fff; border-color:#777; }
}