:root{--navy:#123f59;--navy-2:#0d3147;--gold:#d9b55d;--green:#17845b;--red:#b63b3b;--bg:#f3f6f8;--card:#fff;--line:#d6e0e6;--text:#1d2b34;--muted:#61717c}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.45}.app-header{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;padding:28px 20px;border-bottom:5px solid var(--gold)}.header-inner{max-width:1120px;margin:auto}.brand-line{display:flex;align-items:center;gap:16px}.brand-logo-wrap{width:72px;height:72px;flex:0 0 72px;border-radius:16px;background:#fff;display:grid;place-items:center;overflow:hidden;padding:7px;box-shadow:0 4px 14px rgba(0,0,0,.16)}.brand-logo{display:block;width:100%;height:100%;object-fit:contain}.app-header h1{margin:0 0 5px;font-size:clamp(24px,4vw,38px)}.app-header p{margin:0;opacity:.92}.container{max-width:1120px;margin:24px auto;padding:0 16px 50px}.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:18px}.step{padding:11px 8px;border-radius:10px;background:#e4ebef;color:#58707e;text-align:center;font-weight:700;font-size:14px}.step.active{background:var(--navy);color:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 6px 20px rgba(18,63,89,.07);margin-bottom:18px}.card[hidden]{display:none}.kicker{margin:0 0 5px;color:var(--navy);font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:.08em}.card h2{margin:0 0 8px}.muted{color:var(--muted)}.notice{padding:14px 16px;border-left:5px solid var(--gold);background:#fff7dd;border-radius:10px;margin:14px 0}.formula{font-weight:800;color:var(--navy)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.full{grid-column:1/-1}label span{display:block;font-weight:700;margin-bottom:6px}input,select,textarea{width:100%;border:1px solid #bfcbd2;border-radius:10px;padding:11px 12px;font:inherit;background:#fff;color:var(--text)}textarea{min-height:88px;resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid rgba(18,63,89,.14);border-color:var(--navy)}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:18px}.btn{border:0;border-radius:10px;padding:11px 17px;font-weight:800;cursor:pointer}.btn-primary{background:var(--navy);color:#fff}.btn-secondary{background:#e7eef2;color:var(--navy)}.btn-helper{background:#edf8f3;color:var(--green);border:1px solid #b9dfce}.btn:disabled{opacity:.55;cursor:not-allowed}.status{min-height:22px;margin-top:12px;font-weight:700}.status.info{color:var(--navy)}.status.success{color:var(--green)}.status.error{color:var(--red)}.student-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.student-grid div{background:#eef3f6;border-radius:10px;padding:12px}.student-grid span{display:block;color:var(--muted);font-size:12px}.student-grid strong{display:block;margin-top:4px}.existing-record{margin-top:18px;padding:18px;border:1px solid #bfd6ca;border-radius:14px;background:#f7fbf9}.existing-record[hidden]{display:none}.existing-record__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.existing-record__head h3{margin:0;color:var(--navy);font-size:21px}.state-badge{display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;background:#e7eef2;color:var(--navy);font-size:12px;font-weight:800;white-space:nowrap}.state-badge--pendiente_revision,.state-badge--pendiente,.state-badge--enviado{background:#fff4d8;color:#8b5a00}.state-badge--aprobado,.state-badge--reemplazado{background:#e4f6ec;color:#11603f}.state-badge--devuelto{background:#fde9e7;color:#962d27}.existing-student-grid{display:grid;grid-template-columns:2fr 1.5fr 1fr;gap:10px;margin-bottom:14px}.existing-student-grid div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px}.existing-student-grid span,.existing-resolution span,.existing-title>div>span{display:block;color:var(--muted);font-size:12px}.existing-student-grid strong{display:block;margin-top:3px}.existing-titles{display:grid;gap:10px}.existing-title{background:#fff;border:1px solid var(--line);border-radius:11px;padding:13px 14px}.existing-title.is-favorite{border-color:var(--gold);box-shadow:inset 4px 0 0 var(--gold)}.existing-title>div{display:flex;align-items:center;gap:8px;margin-bottom:5px}.existing-title strong{display:block;color:var(--navy)}.favorite-chip{display:inline-flex!important;margin:0!important;padding:3px 8px;border-radius:999px;background:#fff3c8;color:#7a5500!important;font-size:11px!important;font-weight:800}.existing-resolution{display:grid;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}.existing-resolution div{background:#fff;border-radius:10px;padding:12px}.existing-resolution strong,.existing-resolution p{display:block;margin:4px 0 0}.proposal-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.proposal-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:800;cursor:pointer}.proposal-tab.active{background:var(--navy);color:#fff}.proposal-panel{border-top:1px solid var(--line);padding-top:17px}.proposal-panel[hidden]{display:none}.risk-box{background:#fff5f3;border:1px solid #edc1ba;color:#7f2f27;border-radius:10px;padding:11px 13px;margin-top:12px;display:none}.risk-box.show{display:block}.summary-item{border:1px solid var(--line);border-radius:12px;padding:15px;margin:10px 0}.summary-item label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}.summary-item input{width:auto;margin-top:4px}.summary-title{font-weight:800;color:var(--navy)}.summary-meta{font-size:13px;color:var(--muted);margin-top:6px}.check{display:flex;gap:10px;align-items:flex-start;margin-top:15px}.check input{width:auto;margin-top:4px}@media(max-width:760px){.stepper{grid-template-columns:1fr 1fr}.grid,.student-grid,.existing-student-grid{grid-template-columns:1fr}.full{grid-column:auto}.actions{justify-content:stretch}.actions .btn{flex:1}.card{padding:17px}.brand-logo-wrap{width:58px;height:58px;flex-basis:58px}.app-header{padding:22px 16px}.existing-record__head{display:block}.state-badge{margin-top:8px}}