:root {
  --navy:#173653;
  --blue:#1f6f8b;
  --teal:#188977;
  --pale:#eef5f7;
  --line:#cfdae1;
  --text:#243441;
  --muted:#657783;
  --danger:#a53b3b;
  --warn:#a26312;
  --ok:#287459;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:#f4f7f9;
}
*{box-sizing:border-box}
body{margin:0;min-height:100vh}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 32px;background:var(--navy);color:white;border-bottom:4px solid var(--teal)}
.topbar h1{margin:2px 0 0;font-size:24px}.eyebrow{font-size:11px;letter-spacing:.14em;color:#a8d9d0}
main{max-width:1500px;margin:0 auto;padding:28px}.hidden{display:none!important}
.card{background:white;border:1px solid var(--line);border-radius:10px;padding:22px;margin:18px 0;box-shadow:0 2px 12px rgba(23,54,83,.06)}
.narrow{max-width:430px;margin:70px auto}.narrow label{display:block;margin:14px 0}
h2,h3{color:var(--navy);margin:0 0 6px}p{margin:3px 0;color:var(--muted)}
input,select,button{font:inherit}input,select{border:1px solid #b9c7d0;border-radius:6px;padding:9px;background:white;min-width:0}
label input{display:block;width:100%;margin-top:5px}
button,.upload-button{border:0;border-radius:6px;padding:10px 15px;background:var(--teal);color:white;font-weight:650;cursor:pointer;display:inline-block}
button.secondary,.upload-button.secondary{background:var(--blue)}button.quiet{background:white;color:var(--navy);border:1px solid var(--line)}
button.danger{color:var(--danger);border-color:#d9aaaa}.project-header-actions{display:flex;align-items:center;gap:14px}.project-header-actions .meta{margin-top:0}
button:disabled{opacity:.5;cursor:not-allowed}.upload-button input{display:none}
.toolbar,.section-heading,.project-header,.export-card,.finish-card{display:flex;justify-content:space-between;align-items:center;gap:18px}
.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.project-tile{background:white;border:1px solid var(--line);border-radius:9px;padding:18px;cursor:pointer}.project-tile:hover{border-color:var(--teal)}
.meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.chip,.status{border-radius:999px;padding:3px 9px;font-size:12px;background:var(--pale);color:var(--navy)}
.status.error{background:#fbecec;color:var(--danger)}.status.warn{background:#fff3df;color:var(--warn)}.status.ok{background:#e6f4ef;color:var(--ok)}
.region{border:1px solid var(--line);border-radius:8px;padding:14px;margin-top:12px}.region-grid{display:grid;grid-template-columns:180px repeat(5,minmax(130px,1fr));gap:9px;margin-top:10px}.region-grid label,.matrix-heading label{font-size:12px;color:var(--muted)}.region-grid select,.matrix-heading select{display:block;width:100%;margin-top:4px}.matrix-heading{display:grid;grid-template-columns:minmax(260px,1fr) 260px;gap:16px;align-items:start}
.source-buttons{display:flex;gap:10px;flex-wrap:wrap}.pdf-source-list{display:grid;gap:10px;margin:14px 0}.pdf-source{display:grid;grid-template-columns:minmax(260px,1fr) 260px;gap:16px;align-items:start;border:1px solid var(--line);border-radius:8px;padding:13px}.pdf-source label{font-size:12px;color:var(--muted)}.pdf-source select{display:block;width:100%;margin-top:4px}.page-summary{margin-top:9px;color:var(--text);font-size:13px}.pdf-source details{margin-top:8px;color:var(--muted);font-size:12px}.pdf-source details summary{cursor:pointer;color:var(--blue)}.pdf-source details ul{margin:7px 0 0;padding-left:20px}
.row-tools{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.filter-toggle{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px}.filter-toggle input{display:inline-block;width:auto;margin:0}.status-detail{display:block;margin:4px 0;color:var(--muted);font-size:11px}.save-state{display:block;min-height:18px;margin-top:5px;font-size:11px;color:var(--muted)}.save-state.saved{color:var(--ok)}.save-state.dirty{color:var(--warn)}
.table-wrap{overflow:auto;max-height:650px;border:1px solid var(--line);border-radius:7px;margin-top:14px}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:8px;border-bottom:1px solid #dde5ea;vertical-align:top;text-align:left}th{position:sticky;top:0;background:var(--navy);color:white;z-index:1}td input,td select{width:100%;min-width:90px;padding:6px}.source-text{min-width:220px;white-space:normal}.row-actions{white-space:nowrap}.row-actions button{padding:6px 8px}
.message,.validation-box{padding:10px;border-radius:6px;margin-top:10px}.message:not(:empty),.validation-box{background:var(--pale)}.validation-box.error{background:#fbecec;color:var(--danger)}.validation-box.warn{background:#fff3df;color:#754407}.validation-box.ok{background:#e6f4ef;color:var(--ok)}
.export-actions{display:flex;gap:10px;align-items:center;flex:1;justify-content:flex-end}.export-actions label{font-size:12px;color:var(--muted)}.export-actions label input{width:125px;margin-top:4px}.export-actions>input{min-width:340px}.downloads{display:flex;gap:10px;margin-top:14px}.downloads a{color:white;background:var(--blue);padding:9px 13px;border-radius:6px;text-decoration:none}
.toast{position:fixed;right:24px;bottom:24px;background:var(--navy);color:white;padding:13px 18px;border-radius:8px;box-shadow:0 5px 20px #0003;max-width:420px}.user-panel{display:flex;align-items:center;gap:12px}
.master-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:12px;margin:14px 0}.master-grid div{background:var(--pale);padding:10px;border-radius:6px}.master-grid small{display:block;color:var(--muted)}.finish-actions{display:flex;gap:10px}.disabled-section{opacity:.45;pointer-events:none}
.master-grid .master-field{background:var(--pale);padding:10px;border-radius:6px}.master-field input{width:100%;margin-top:4px}.app-footer{max-width:1500px;margin:0 auto;padding:0 28px 24px;text-align:right;color:var(--muted);font-size:12px}
@media(max-width:900px){main{padding:14px}.topbar{padding:14px 18px}.toolbar,.section-heading,.project-header,.export-card,.finish-card{align-items:flex-start;flex-direction:column}.row-tools{justify-content:flex-start}.region-grid,.master-grid,.matrix-heading{grid-template-columns:1fr 1fr}.pdf-source{grid-template-columns:1fr}.export-actions{width:100%;align-items:stretch;flex-direction:column}.export-actions input{min-width:0}}