:root{--bg:#f6f8fc;--card:#fff;--text:#122033;--muted:#667085;--line:#dfe4ec;--primary:#2563eb;--primary2:#1d4ed8;--success:#15803d;--danger:#b42318;--soft:#eef4ff;--code:#0b1220;--codeText:#e5edf8;--shadow:0 10px 35px rgba(16,24,40,.08)}body.dark{--bg:#0b1220;--card:#111a2a;--text:#eef4ff;--muted:#9aa8bd;--line:#26344a;--primary:#60a5fa;--primary2:#93c5fd;--success:#4ade80;--danger:#f97066;--soft:#14213b;--code:#020617;--codeText:#e2e8f0;--shadow:0 12px 36px rgba(0,0,0,.35)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:12px clamp(14px,4vw,40px);background:var(--card);border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center}.brand .logo{width:38px;height:38px;border-radius:11px;background:var(--primary);color:white;display:grid;place-items:center;font-weight:900}.brand strong{display:block;font-size:18px}.brand span{display:block;color:var(--muted);font-size:12px}.top-actions{display:flex;gap:8px}.icon-btn,.danger-lite,.secondary,.tiny-btn{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;padding:9px 12px}.danger-lite{color:var(--danger)}.primary,.success{border:0;border-radius:10px;padding:11px 16px;font-weight:800;color:white}.primary{background:var(--primary)}.primary:hover{background:var(--primary2)}.success{background:#15803d}.hero{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:center;padding:36px clamp(18px,5vw,64px);max-width:1500px;margin:auto}.eyebrow{font-weight:800;color:var(--primary)}.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.02;margin:10px 0}.hero p{font-size:18px;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.progress-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.progress-number{font-size:38px;font-weight:900}.progress-label,.small{color:var(--muted)}.progress-track{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin:14px 0 8px}.progress-bar{height:100%;width:0;background:var(--primary);transition:.3s}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px;max-width:1500px;margin:0 auto;padding:0 clamp(14px,4vw,40px) 48px}.sidebar{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;height:fit-content;position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto}.sidebar-head h2{margin:4px 0 12px;font-size:17px}.sidebar input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text)}.module{margin-top:14px}.module-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:900;margin:8px 4px}.exercise-link{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:0;background:transparent;color:var(--text);padding:9px;border-radius:9px}.exercise-link:hover,.exercise-link.active{background:var(--soft)}.exercise-link.done .num{background:var(--success);color:white}.num{min-width:28px;height:28px;border-radius:8px;background:var(--line);display:grid;place-items:center;font-size:12px;font-weight:900}.exercise-link .label{font-size:13px;line-height:1.25}.workspace{min-width:0}.crumbs{display:flex;gap:8px;color:var(--muted);font-size:13px;margin:3px 0 10px}.challenge-card,.editor-card,.result-card,.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.challenge-card{padding:22px}.challenge-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.challenge-head h2{margin:0;font-size:clamp(24px,3vw,34px)}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.tag{font-size:12px;font-weight:800;border-radius:99px;padding:5px 9px;background:var(--soft);color:var(--primary)}.timer-box{white-space:nowrap;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:9px 12px}.challenge-desc{font-size:17px;line-height:1.65}.thinking,.requirements{margin-top:14px;padding:14px;border-radius:12px;background:var(--soft)}.thinking p{margin:7px 0 0;color:var(--muted)}.requirements ul{margin-bottom:0}.editor-card{margin-top:18px;overflow:hidden}.editor-toolbar,.result-head{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;border-bottom:1px solid var(--line)}.editor-toolbar{font-weight:900}.tiny-btn{padding:6px 9px;font-size:12px}#sqlEditor{width:100%;min-height:270px;resize:vertical;border:0;outline:0;padding:18px;background:var(--code);color:var(--codeText);font-family:Consolas,"Liberation Mono",monospace;font-size:16px;line-height:1.55;tab-size:2}.runbar{display:flex;gap:9px;flex-wrap:wrap;padding:13px;border-top:1px solid var(--line)}.feedback-area{margin-top:14px}.message{border-radius:12px;padding:13px 15px;margin-bottom:12px;font-weight:700}.message.ok{background:#ecfdf3;color:#027a48;border:1px solid #abefc6}.message.err{background:#fef3f2;color:#b42318;border:1px solid #fecdca}.message.info{background:var(--soft);color:var(--text);border:1px solid var(--line)}.panel{padding:16px;margin-bottom:12px}.panel pre{white-space:pre-wrap;overflow:auto;background:var(--code);color:var(--codeText);padding:14px;border-radius:10px}.hidden{display:none!important}.result-card{margin-top:18px;overflow:hidden}.result-head h3{margin:0}#resultMeta{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto;max-height:480px}table{border-collapse:collapse;width:100%;min-width:560px}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}th{position:sticky;top:0;background:var(--card);font-size:12px;text-transform:uppercase}td{font-family:Consolas,monospace;font-size:14px}.empty-state{padding:36px;text-align:center;color:var(--muted)}.exercise-nav{display:flex;justify-content:space-between;gap:10px;margin-top:18px}footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:26px clamp(18px,5vw,64px);border-top:1px solid var(--line);color:var(--muted)}.modal{position:fixed;inset:0;z-index:99;display:grid;place-items:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(2,6,23,.65)}.modal-card{position:relative;z-index:1;width:min(920px,96vw);max-height:88vh;overflow:auto;background:var(--card);border-radius:18px;padding:24px}.modal-close{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--text);font-size:30px}.schema-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.schema-box{border:1px solid var(--line);border-radius:12px;padding:14px}.guide code{background:var(--soft);padding:2px 6px;border-radius:6px}.guide pre{background:var(--code);color:var(--codeText);padding:14px;border-radius:10px;overflow:auto}@media(max-width:950px){.hero{grid-template-columns:1fr}.layout{grid-template-columns:1fr}.sidebar{position:relative;top:auto;max-height:420px}}@media(max-width:600px){.topbar{padding:10px 12px}.brand span{display:none}.hero{padding:24px 14px}.hero h1{font-size:34px}.hero p{font-size:16px}.layout{padding:0 10px 34px}.challenge-card{padding:16px}.challenge-head{flex-direction:column}.timer-box{align-self:flex-end}#sqlEditor{min-height:250px;font-size:15px}.runbar button{flex:1 1 46%}.schema-grid{grid-template-columns:1fr}.exercise-nav button{flex:1}}

/* ===== Módulo 9: Prácticas y entregas ===== */
.action-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.practice-module-static{margin-top:16px;padding-top:10px;border-top:1px solid var(--line)}
.practice-special{border:1px solid color-mix(in srgb,var(--primary) 45%,var(--line));background:var(--soft);text-decoration:none}
.practice-special small{color:var(--muted);font-weight:500}
.practice-hero{padding-bottom:24px}
.practice-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;max-width:1500px;margin:0 auto;padding:0 clamp(14px,4vw,40px) 48px}
.practice-list-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;height:fit-content;position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto}
.practice-workspace{min-width:0}
.student-card,.delivery-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);margin-bottom:18px}
.section-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.section-title-row h2{margin:4px 0 0}.save-indicator{font-size:12px;color:var(--muted)}
.student-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.student-grid label,.free-fields label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:800}.student-grid input,.free-fields input,.free-fields textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:10px;padding:11px 12px;outline:none}.student-grid input:focus,.free-fields input:focus,.free-fields textarea:focus{border-color:var(--primary)}
.practice-card{margin-bottom:18px}.practice-questions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}.practice-questions span{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:9px;font-size:13px;color:var(--muted)}
.free-fields{margin-top:16px;padding:14px;border:1px dashed var(--line);border-radius:12px;display:grid;gap:12px}.free-fields textarea{resize:vertical}
.delivery-card{margin-top:18px}.delivery-card h2{margin-top:0}.delivery-card li{margin:8px 0}.delivery-card code{background:var(--soft);padding:2px 6px;border-radius:6px}
@media(max-width:950px){.practice-layout{grid-template-columns:1fr}.practice-list-card{position:relative;top:auto;max-height:430px}}
@media(max-width:600px){.practice-layout{padding:0 10px 34px}.student-grid,.practice-questions{grid-template-columns:1fr}.section-title-row{flex-direction:column}.practice-card{padding:16px}.practice-hero{padding-top:24px}.delivery-card{padding:16px}}


/* ===== V0.2.1 Evidencias visibles ===== */
.evidence-link{background:#7c3aed;color:#fff;border-radius:10px;padding:11px 16px;font-weight:800}
.evidence-link:hover{filter:brightness(.95)}
.home-evidence-card{max-width:1420px;margin:0 auto 42px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--card);border:2px solid color-mix(in srgb,#7c3aed 38%,var(--line));border-radius:18px;box-shadow:var(--shadow)}
.home-evidence-card h2{font-size:clamp(24px,3vw,34px);margin:5px 0 8px}.home-evidence-card p{margin:0;color:var(--muted);max-width:850px;line-height:1.6}
.home-evidence-actions{display:flex;gap:10px;flex-wrap:wrap;min-width:max-content}
.evidence-card{scroll-margin-top:90px;background:linear-gradient(135deg,color-mix(in srgb,var(--card) 94%,#7c3aed 6%),var(--card));border:2px solid color-mix(in srgb,#7c3aed 42%,var(--line));border-radius:18px;padding:22px;box-shadow:var(--shadow);margin-bottom:18px}
.evidence-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.evidence-head h2{font-size:clamp(24px,3vw,34px);margin:5px 0 8px}.evidence-head p{margin:0;color:var(--muted);line-height:1.55}
.evidence-status{white-space:nowrap;background:#ecfdf3;color:#027a48;border:1px solid #abefc6;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:900}
.evidence-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}
.evidence-step{display:flex;gap:10px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px}.evidence-step>span{min-width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#7c3aed;color:white;font-weight:900}.evidence-step strong{display:block}.evidence-step small{display:block;margin-top:3px;color:var(--muted);line-height:1.35}
.evidence-actions{display:flex;gap:10px;flex-wrap:wrap}.evidence-btn{font-size:16px;padding:13px 18px}.evidence-note{margin:12px 0 0;color:var(--muted);font-size:13px}
@media(max-width:850px){.home-evidence-card,.evidence-head{flex-direction:column;align-items:stretch}.home-evidence-actions{min-width:0}.evidence-steps{grid-template-columns:1fr}.evidence-actions .evidence-btn,.home-evidence-actions a{width:100%}}


/* V0.2.2 - Evidencias integradas directamente en el laboratorio principal */
.evidence-main{margin-top:18px}
.student-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin:18px 0;
}
.student-grid label{font-size:13px;font-weight:800;color:var(--text)}
.student-grid input{
  display:block;width:100%;margin-top:6px;padding:11px 12px;
  border:1px solid var(--line);border-radius:10px;
  background:var(--bg);color:var(--text);outline:none
}
.student-grid input:focus{border-color:#7c3aed;box-shadow:0 0 0 3px color-mix(in srgb,#7c3aed 15%,transparent)}
.floating-evidence-btn{
  position:fixed;right:22px;bottom:22px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  text-decoration:none;background:#7c3aed;color:white;
  border-radius:999px;padding:13px 18px;font-weight:900;
  box-shadow:0 12px 30px rgba(76,29,149,.35)
}
.floating-evidence-btn:hover{filter:brightness(.96)}
@media(max-width:650px){
  .student-grid{grid-template-columns:1fr}
  .floating-evidence-btn{right:12px;bottom:12px;padding:12px 14px}
  .floating-evidence-btn span{display:none}
}

.integrity-notice {padding:12px; margin:10px; border:1px solid #d79c22; border-radius:8px; background:#fff4d6; color:#493200; font-size:14px; line-height:1.5;}