@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Oswald:wght@400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

:root{
  --navy:#06243b;
  --navy-900:#021522;
  --navy-800:#032238;
  --navy-700:#073451;
  --navy-600:#0a4264;
  --blue:#0f5d7f;
  --blue-200:#d7e8f1;
  --blue-100:#eef6fa;
  --ink:#061f34;
  --muted:#597386;
  --line:#8ca8b8;
  --line-soft:#d8e5ec;
  --paper:#fbfcfb;
  --paper2:#f5f8f8;
  --ok:#0c7a51;
  --bad:#b8322b;
  --warn:#bd7414;
  --focus:#79d4ff;
  --shadow:0 30px 75px rgba(1,21,34,.20);
  --soft-shadow:0 14px 30px rgba(1,21,34,.11);
  --display:'Bebas Neue','Oswald','Arial Narrow',Impact,sans-serif;
  --condensed:'Oswald','Arial Narrow','Roboto Condensed','Segoe UI Condensed',Arial,sans-serif;
  --text:'Montserrat','Segoe UI',Inter,Roboto,system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; min-height:100vh; color:var(--ink); font-family:var(--text); overflow-x:hidden;
  background:
    radial-gradient(circle at 0 0, rgba(15,93,127,.18), transparent 29%),
    radial-gradient(circle at 100% 2%, rgba(6,36,59,.15), transparent 34%),
    linear-gradient(90deg, rgba(6,36,59,.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(6,36,59,.055) 1px, transparent 1px),
    #eaf2f6;
  background-size:auto, auto, 34px 34px, 34px 34px, auto;
}
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none; opacity:.48;
  background:
    linear-gradient(120deg, transparent 0 55%, rgba(6,36,59,.10) 55.4% 55.8%, transparent 56.2% 100%),
    linear-gradient(45deg, transparent 0 70%, rgba(15,93,127,.09) 70.3% 70.9%, transparent 71.3% 100%);
  background-size:360px 360px, 450px 450px;
}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.2)}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(121,212,255,.55);outline-offset:2px}
[hidden]{display:none!important}
.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:.82rem}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.no-scroll{overflow:hidden}

/* LOGIN */
.auth-shell{min-height:100vh; display:grid; place-items:center; padding:22px; position:relative; overflow:hidden}
.auth-shell::after{content:"";position:absolute;inset:28px;border:3px solid var(--navy);pointer-events:none;opacity:.85}
.auth-card{width:min(1080px,100%);display:grid;grid-template-columns:1.12fr .88fr;background:rgba(255,255,255,.94);border:1px solid rgba(6,36,59,.35);box-shadow:var(--shadow);position:relative;z-index:1;overflow:hidden;border-radius:22px}.auth-card::before{content:"";position:absolute;inset:16px;border:1px solid rgba(6,36,59,.18);pointer-events:none}
.auth-visual{padding:46px;min-height:650px;position:relative;background:linear-gradient(180deg,#fff,rgba(240,247,249,.88));overflow:hidden}.auth-visual::before{content:"";position:absolute;inset:0;opacity:.55;background:linear-gradient(90deg,var(--line-soft) 1px,transparent 1px),linear-gradient(0deg,var(--line-soft) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(#000,transparent 85%)}
.auth-visual>*{position:relative;z-index:1}.auth-logo{display:flex;gap:14px;align-items:center;text-transform:uppercase;letter-spacing:.12em;font-weight:900}.auth-title{margin:58px 0 0;text-align:center}.auth-title .over{font-family:var(--condensed);letter-spacing:.55em;text-indent:.55em;font-size:1.55rem;font-weight:700}.auth-title h1{font-family:var(--display);font-size:clamp(5rem,10vw,8.8rem);letter-spacing:.055em;line-height:.86;margin:10px 0 6px;color:var(--navy);text-shadow:0 2px 0 #fff}.auth-title p{font-size:1.18rem;color:#4a6a7b;font-weight:600;margin:0}.auth-sketch{height:230px;margin-top:34px}.auth-form{padding:58px 52px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(180deg,rgba(6,36,59,.98),rgba(3,28,46,.98));color:white}.auth-form h2{font-family:var(--display);font-size:3.4rem;letter-spacing:.07em;margin:0 0 4px}.auth-form p{color:#c9d9e2;line-height:1.55}.field{display:grid;gap:7px;margin:16px 0}.field label{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;font-weight:900}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.09);color:inherit;border-radius:12px;padding:13px 14px}.field input::placeholder{color:rgba(255,255,255,.45)}.auth-help{font-size:.76rem;color:#b8cbd7;line-height:1.55}.auth-switch{background:transparent;color:#fff;text-decoration:underline;font-weight:800}.auth-error{min-height:22px;color:#ffc8c3;font-weight:800}.auth-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}

/* APP SHELL */
.app{min-height:100vh;display:grid;grid-template-columns:112px minmax(0,1fr)}
.side{position:sticky;top:0;height:100vh;z-index:40;padding:18px 10px;background:linear-gradient(180deg,#021625 0%,#052b45 52%,#031d31 100%);box-shadow:14px 0 40px rgba(1,21,34,.28);color:white;display:flex;flex-direction:column;align-items:center}.brand-mini{width:70px;height:70px;border:1.5px solid rgba(255,255,255,.75);display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.045);position:relative}.brand-mini::after{content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.22)}.brand-mini svg{width:54px;height:42px}.nav{width:100%;display:flex;flex-direction:column;gap:7px;margin-top:22px}.nav-btn{appearance:none;background:transparent;color:#eef8fc;text-decoration:none;border-radius:14px;padding:10px 4px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.70rem;font-weight:850;transition:.18s ease}.nav-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.nav-btn.active,.nav-btn:hover{background:linear-gradient(90deg,rgba(255,255,255,.20),rgba(255,255,255,.055));box-shadow:inset 4px 0 0 rgba(118,205,235,.85)}.side-foot{margin-top:auto;text-align:center;font-family:var(--condensed);text-transform:uppercase;letter-spacing:.22em;line-height:1.7;font-size:.68rem;color:white;padding-bottom:12px}.compass-badge{width:56px;height:56px;border-radius:999px;border:1px solid rgba(255,255,255,.75);display:grid;place-items:center;margin:0 auto 14px;background:rgba(255,255,255,.055)}
main{min-width:0;padding:18px clamp(8px,2.2vw,34px) 32px}.sheet{max-width:1360px;margin:0 auto;position:relative;border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.985),rgba(248,251,251,.965));border:1px solid rgba(6,36,59,.28);box-shadow:var(--shadow);overflow:hidden}.sheet::before{content:"";position:absolute;inset:18px;border:3px solid rgba(6,36,59,.88);border-radius:5px;pointer-events:none;z-index:0}.sheet::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.58;background:linear-gradient(90deg,transparent 0 96%,rgba(6,36,59,.14) 96.4% 97%,transparent 97.5% 100%),linear-gradient(0deg,transparent 0 96%,rgba(6,36,59,.14) 96.4% 97%,transparent 97.5% 100%),radial-gradient(circle at 16% 84%,rgba(15,93,127,.10),transparent 24%);background-size:72px 72px,72px 72px,auto}.corner-lines{position:absolute;inset:34px;z-index:1;pointer-events:none}.corner-lines::before,.corner-lines::after{content:"";position:absolute;width:245px;height:155px;opacity:.42;background:linear-gradient(90deg,var(--line-soft) 1px,transparent 1px),linear-gradient(0deg,var(--line-soft) 1px,transparent 1px);background-size:18px 18px}.corner-lines::before{left:0;top:0}.corner-lines::after{right:0;bottom:0}.inner{position:relative;z-index:2;padding:30px clamp(18px,4vw,58px) 36px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:8px}.brand{display:flex;align-items:center;gap:13px;text-transform:uppercase;font-weight:900;letter-spacing:.12em;font-size:.82rem;line-height:1.12}.brand svg{width:96px;height:46px}.top-user{display:flex;gap:12px;align-items:center}.avatar{width:42px;height:42px;border-radius:999px;border:1px solid rgba(6,36,59,.25);background:#fff;display:grid;place-items:center}.user-copy{font-size:.85rem}.logout-btn{background:transparent;color:var(--ink);font-weight:800;border:1px solid rgba(6,36,59,.2);border-radius:999px;padding:8px 11px}

/* HERO */
.hero{text-align:center;position:relative;min-height:318px;padding:28px 0 32px;display:grid;place-items:center;border-radius:18px;overflow:hidden}.hero::before,.hero::after{content:"";position:absolute;bottom:0;opacity:.88;background-repeat:no-repeat;background-position:bottom;background-size:contain;pointer-events:none}.hero::before{left:-44px;width:48%;height:95%;background-image:var(--svg-bridge)}.hero::after{right:-16px;width:45%;height:95%;background-image:var(--svg-tower)}.hero-title{position:relative;z-index:2}.overline{font-family:var(--condensed);text-transform:uppercase;letter-spacing:.55em;text-indent:.55em;font-weight:700;font-size:clamp(1.08rem,2.1vw,1.6rem);margin:0 0 8px}.title-main{font-family:var(--display);font-size:clamp(5.2rem,11.2vw,9.6rem);line-height:.86;letter-spacing:.06em;margin:0;color:var(--navy);text-transform:uppercase;text-shadow:0 2px 0 #fff,0 12px 24px rgba(6,36,59,.08)}.subtitle{font-size:clamp(1rem,1.85vw,1.35rem);color:#496d7f;font-weight:600;margin:14px 0 0}.decor{height:1px;max-width:540px;margin:15px auto;background:linear-gradient(90deg,transparent,var(--ink),transparent);position:relative}.decor::after{content:"";position:absolute;left:50%;top:50%;width:11px;height:11px;transform:translate(-50%,-50%) rotate(45deg);background:var(--paper);border:2px solid var(--ink)}

/* DASHBOARD */
.dashboard{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:1020px;margin:8px auto 22px}.module-card{position:relative;min-height:260px;border:1.8px solid rgba(6,36,59,.58);border-radius:16px;background:rgba(255,255,255,.86);box-shadow:var(--soft-shadow);overflow:hidden;padding:24px 22px 32px;isolation:isolate}.module-card::before{content:"";position:absolute;inset:11px;border:1px solid rgba(6,36,59,.20);border-radius:11px;z-index:0;pointer-events:none}.module-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:112px;background:linear-gradient(180deg,transparent,rgba(145,180,195,.27));z-index:-2}.module-icon{width:58px;height:58px;border-radius:999px;background:linear-gradient(180deg,#073a58,#021725);color:#fff;display:grid;place-items:center;margin:0 auto 12px;border:4px solid white;box-shadow:0 0 0 1px rgba(6,36,59,.48),0 9px 20px rgba(6,36,59,.16)}.module-card h2{font-family:var(--display);font-size:clamp(3.0rem,5.2vw,4.5rem);line-height:.88;letter-spacing:.045em;text-transform:uppercase;margin:8px 0 5px;text-align:center;color:var(--navy)}.module-card p{text-align:center;margin:0 0 18px;color:#587386;font-weight:650}.module-card .sketch{position:absolute;left:12px;right:12px;bottom:0;height:108px;background-repeat:no-repeat;background-position:center bottom;background-size:contain;opacity:.58;z-index:-1}.module-card.comun .sketch{background-image:var(--svg-bridge)}.module-card.especifica .sketch{background-image:var(--svg-road)}
.actions-row{max-width:960px;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.action-tile{position:relative;border:1px solid rgba(6,36,59,.26);border-radius:14px;background:rgba(255,255,255,.88);box-shadow:0 7px 18px rgba(1,21,34,.055);min-height:132px;padding:16px;display:grid;place-items:center;text-align:center;transition:.16s ease}.action-tile:hover{transform:translateY(-2px);border-color:rgba(6,36,59,.55);box-shadow:var(--soft-shadow)}.action-tile svg{width:36px;height:36px;color:var(--navy)}.action-tile b{font-family:var(--condensed);text-transform:uppercase;letter-spacing:.06em;font-size:1.08rem}.tile-arrow{position:absolute;right:13px;bottom:10px;font-weight:900;color:var(--navy)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;padding:13px 18px;font-weight:900;text-transform:uppercase;letter-spacing:.10em;transition:.16s ease;text-decoration:none}.btn svg{width:20px;height:20px}.btn.primary,.primary-cta{color:white;background:linear-gradient(180deg,#083a59,#021725);box-shadow:inset 0 0 0 2px rgba(255,255,255,.18),0 12px 24px rgba(1,21,34,.18);border:1px solid rgba(6,36,59,.65)}.btn.primary:hover,.primary-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}.btn.secondary{background:rgba(255,255,255,.88);color:var(--navy);border:1px solid rgba(6,36,59,.22)}.btn.ghost{background:transparent;color:var(--navy);border:1px solid rgba(6,36,59,.24)}.btn.danger{background:#fff2f0;color:var(--bad);border:1px solid rgba(184,50,43,.25)}.primary-cta{display:flex;max-width:560px;margin:18px auto 20px;padding:18px 26px;border-radius:12px;font-family:var(--condensed);font-size:1.45rem;letter-spacing:.22em}.primary-cta .chev{margin-left:auto}.btns{display:flex;gap:12px;flex-wrap:wrap}.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--blue-100);border:1px solid var(--blue-200);font-weight:800;color:var(--navy);font-size:.78rem}.tag.ok{background:#eefaf4;border-color:#c5ead8;color:var(--ok)}.tag.bad{background:#fff2f0;border-color:#ffd1cb;color:var(--bad)}.tag.warn{background:#fff8ec;border-color:#ffe1a9;color:var(--warn)}

/* PANELS */
.view{display:none}.view.active{display:block}.panel{background:rgba(255,255,255,.90);border:1px solid rgba(6,36,59,.22);border-radius:18px;box-shadow:var(--soft-shadow);padding:24px;margin:18px 0}.panel h2,.panel h3{font-family:var(--display);letter-spacing:.045em;text-transform:uppercase;color:var(--navy);line-height:.9}.panel h2{font-size:3.6rem;margin:0 0 14px}.panel h3{font-size:2rem;margin:22px 0 12px}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:18px}.control-box{padding:16px;border:1px solid rgba(6,36,59,.18);border-radius:14px;background:rgba(248,251,252,.82)}.control-title{font-family:var(--condensed);letter-spacing:.09em;text-transform:uppercase;font-weight:700;color:var(--navy);margin-bottom:10px}.preset-row{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:10px 12px;border-radius:999px;border:1px solid rgba(6,36,59,.20);background:white;color:var(--navy);font-weight:800}.chip.active{background:linear-gradient(180deg,#083a59,#021725);color:white}.topic-tools{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.search{width:100%;border:1px solid rgba(6,36,59,.22);border-radius:12px;background:#fff;padding:12px 13px;color:var(--ink)}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-height:420px;overflow:auto;padding-right:4px}.topic-item{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid rgba(6,36,59,.16);border-radius:12px;background:rgba(255,255,255,.82)}.topic-item input{margin-top:3px}.topic-item strong{font-size:.95rem}.topic-item span{display:block;font-size:.78rem;color:var(--muted);line-height:1.35}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.input-row input,.input-row select{border:1px solid rgba(6,36,59,.22);border-radius:12px;background:#fff;padding:12px;color:var(--ink)}

/* QUIZ */
.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px}.quiz-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.progress-bar{height:10px;background:#dce9ef;border-radius:999px;overflow:hidden}.progress-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--navy),var(--blue));width:0%}.question-card{position:relative;padding:26px;border:1px solid rgba(6,36,59,.24);border-radius:18px;background:rgba(255,255,255,.93);box-shadow:var(--soft-shadow)}.question-card::before{content:"";position:absolute;inset:10px;border:1px solid rgba(6,36,59,.10);border-radius:12px;pointer-events:none}.question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.question-text{font-size:1.38rem;line-height:1.48;font-weight:800;color:var(--ink);white-space:pre-line}.options{display:grid;gap:12px;margin:20px 0}.option-btn{display:grid;grid-template-columns:46px minmax(0,1fr);gap:14px;align-items:center;text-align:left;border:1px solid rgba(6,36,59,.22);border-radius:14px;background:white;padding:13px;min-height:70px;color:var(--ink);transition:.14s ease}.option-btn:hover{border-color:rgba(6,36,59,.52);transform:translateY(-1px);box-shadow:0 8px 20px rgba(1,21,34,.08)}.option-btn.selected{background:#ecf6fb;border-color:var(--blue);box-shadow:inset 0 0 0 2px rgba(15,93,127,.18)}.letter{width:42px;height:42px;border-radius:999px;background:linear-gradient(180deg,#083a59,#021725);color:#fff;display:grid;place-items:center;font-weight:950}.quiz-side{position:sticky;top:18px;align-self:start}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;max-height:350px;overflow:auto}.pal-btn{height:38px;border-radius:9px;background:#fff;border:1px solid rgba(6,36,59,.16);font-weight:900;color:var(--navy)}.pal-btn.current{outline:3px solid rgba(15,93,127,.28);background:#e9f5fa}.pal-btn.answered{background:#eaf7f0;border-color:#aee1c7}.pal-btn.blank{background:#fff5dc;border-color:#f0cf85}.pal-btn.flag{box-shadow:inset 0 -4px 0 #b98918}.quiz-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* RESULTS */
.scoregrid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:14px 0}.score{background:linear-gradient(180deg,#fff,#f4f8fa);border:1px solid rgba(6,36,59,.18);border-radius:14px;text-align:center;padding:14px 10px}.score b{font-family:var(--display);font-size:2.5rem;letter-spacing:.04em;color:var(--navy)}.review-tools{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}.review{border:1px solid rgba(6,36,59,.18);border-radius:16px;background:#fff;padding:18px;margin:12px 0}.review h4{font-size:1.05rem;margin:8px 0 12px;white-space:pre-line}.review-meta{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--muted)}.review-option{padding:10px 12px;border:1px solid rgba(6,36,59,.12);border-radius:10px;margin:7px 0;display:grid;grid-template-columns:34px 1fr;gap:10px}.review-option.correct{background:#eefaf4;border-color:#b8e5cc}.review-option.wrong{background:#fff2f0;border-color:#ffc7c1}.history-table{width:100%;border-collapse:collapse;font-size:.9rem}.history-table th,.history-table td{padding:10px;border-bottom:1px solid rgba(6,36,59,.14);text-align:left}.history-table th{font-family:var(--condensed);text-transform:uppercase;letter-spacing:.06em;color:var(--navy)}.footer-mark{text-align:center;margin:22px 0 0;text-transform:uppercase;letter-spacing:.24em;font-size:.78rem;color:#526e7e;font-weight:800}.toast{position:fixed;right:18px;bottom:18px;background:var(--navy);color:white;padding:13px 16px;border-radius:13px;box-shadow:var(--shadow);z-index:999;max-width:360px}.modal-backdrop{position:fixed;inset:0;background:rgba(1,21,34,.48);z-index:500;display:grid;place-items:center;padding:18px}.modal{width:min(520px,100%);background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:24px;border:1px solid rgba(6,36,59,.26)}

.mobilebar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(255,255,255,.96);border-top:1px solid rgba(6,36,59,.18);box-shadow:0 -10px 30px rgba(1,21,34,.12);padding:6px 5px calc(6px + env(safe-area-inset-bottom));justify-content:space-around}.mobilebar button{background:transparent;color:var(--navy);display:grid;place-items:center;gap:2px;font-size:.64rem;font-weight:850}.mobilebar svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.mobilebar button.active{color:var(--blue)}

:root{
  --svg-bridge:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 640 360'%3E%3Cg fill='none' stroke='%2306243b' stroke-width='3.1' opacity='.65'%3E%3Cpath d='M18 298C160 178 326 174 628 288'/%3E%3Cpath d='M18 326C188 208 380 202 632 318' opacity='.42'/%3E%3Cpath d='M132 288V63M132 63L32 284M132 63l95 210M132 63l194 210M132 63l317 216M132 63l480 226'/%3E%3Cpath d='M25 284h596'/%3E%3Cpath d='M252 272v-78h52v86M348 273v-94h56v102M468 274v-70h50v92' opacity='.72'/%3E%3Cpath d='M70 322c85-30 160-31 250-14 88 16 179 20 284-7' opacity='.36'/%3E%3C/g%3E%3C/svg%3E");
  --svg-tower:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 540 370'%3E%3Cg fill='none' stroke='%2306243b' stroke-width='3.0' opacity='.64'%3E%3Cpath d='M24 318c80-14 122-52 196-55 78-2 149 36 300 18'/%3E%3Cpath d='M82 300h350M112 279h325M150 258h252' opacity='.35'/%3E%3Cpath d='M374 270V112l30-42 30 42v158M388 113h31M386 151h34M386 190h34M386 229h34M404 70V28M388 46h32'/%3E%3Cpath d='M55 314h36v-46h36v46h36v-76h44v76h38v-48h34v48h58' opacity='.58'/%3E%3Cpath d='M10 344c150-25 260 4 522-28' opacity='.36'/%3E%3C/g%3E%3C/svg%3E");
  --svg-road:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 680 220'%3E%3Cg fill='none' stroke='%2306243b' stroke-width='2.6' opacity='.62'%3E%3Cpath d='M15 190C135 92 260 68 386 88c116 18 168 82 280 56'/%3E%3Cpath d='M28 205C188 112 290 104 386 123c116 23 180 64 279 42' opacity='.45'/%3E%3Cpath d='M142 178c48-54 88-76 123-76 32 0 67 22 106 70'/%3E%3Cpath d='M310 173c40-38 70-52 98-48 31 5 62 30 95 62' opacity='.7'/%3E%3Cpath d='M62 187h560'/%3E%3Cpath d='M434 150h26v-40h30v40h28v-70h34v70h26v-48h28v48h44' opacity='.55'/%3E%3C/g%3E%3C/svg%3E");
}

@media(max-width:1000px){.app{grid-template-columns:1fr}.side{display:none}.mobilebar{display:flex}main{padding:8px 8px 84px}.sheet{border-radius:0;min-height:calc(100vh - 92px)}.sheet::before{inset:10px;border-width:2px}.inner{padding:18px 14px 24px}.topbar{align-items:flex-start}.brand svg{width:74px}.user-copy{display:none}.hero{min-height:250px;padding:24px 0}.hero::before{left:-36px;width:65%;height:78%;opacity:.55}.hero::after{right:-25px;width:55%;height:80%;opacity:.50}.title-main{font-size:clamp(4.2rem,20vw,6.2rem)}.overline{font-size:1rem;letter-spacing:.42em;text-indent:.42em}.dashboard{grid-template-columns:1fr;gap:14px}.module-card{min-height:190px}.actions-row{grid-template-columns:repeat(2,1fr);gap:10px}.controls,.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr}.quiz-layout{grid-template-columns:1fr}.quiz-side{position:static}.scoregrid{grid-template-columns:repeat(2,1fr)}.question-text{font-size:1.12rem}.option-btn{grid-template-columns:40px 1fr}.letter{width:38px;height:38px}.auth-card{grid-template-columns:1fr}.auth-visual{min-height:340px;padding:28px}.auth-form{padding:30px 24px}.auth-title{margin-top:24px}.auth-title h1{font-size:4.8rem}.input-row{grid-template-columns:1fr}}
@media(max-width:560px){.actions-row{grid-template-columns:1fr}.scoregrid{grid-template-columns:1fr}.panel{padding:16px}.panel h2{font-size:2.8rem}.primary-cta{font-size:1.18rem;letter-spacing:.16em}.topbar{gap:8px}.logout-btn{font-size:.72rem;padding:7px 9px}.hero{min-height:225px}.module-card h2{font-size:3.2rem}.palette{grid-template-columns:repeat(6,1fr)}}
@media print{body{background:#fff}.side,.mobilebar,.topbar,.primary-cta,.actions-row,.btns,.quiz-side,.toast{display:none!important}.app{display:block}main{padding:0}.sheet{box-shadow:none;border:0}.sheet::before,.sheet::after,.corner-lines{display:none}.inner{padding:0}.panel{box-shadow:none;border:0}.review{break-inside:avoid}}


/* Biblioteca documental v4.1 */
.resource-toolbar{display:flex;gap:12px;align-items:center;margin:12px 0 18px;flex-wrap:wrap}.resource-toolbar .search{flex:1;min-width:260px}.library-note{border:1px solid rgba(5,37,62,.18);background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(235,246,252,.75));padding:14px 16px;border-radius:14px;margin-bottom:18px;color:var(--navy);box-shadow:0 8px 18px rgba(6,36,59,.05)}.library-note code{background:rgba(6,36,59,.08);padding:2px 5px;border-radius:5px}.resources-list{display:grid;gap:16px}.resource-card{position:relative;border:1px solid rgba(6,36,59,.19);background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(247,252,255,.92));border-radius:18px;padding:18px;overflow:hidden;box-shadow:0 15px 35px rgba(6,36,59,.08)}.resource-card:before{content:"";position:absolute;inset:10px;border:1px solid rgba(21,82,118,.12);border-radius:13px;pointer-events:none}.resource-head{display:flex;gap:14px;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.resource-head h3{font-family:var(--condensed);font-size:34px;letter-spacing:.08em;text-transform:uppercase;margin:8px 0 4px;color:var(--navy)}.resource-head p{margin:0;color:var(--muted);line-height:1.35}.resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;position:relative}.resource-link{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--navy);border:1px solid rgba(6,36,59,.18);border-radius:13px;background:#fff;padding:12px;transition:.18s ease;min-height:66px}.resource-link:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(6,36,59,.12);border-color:rgba(6,36,59,.38)}.resource-link svg{width:26px;height:26px;fill:none;stroke:currentColor;flex:0 0 auto}.resource-link.external{background:linear-gradient(135deg,#fff,#edf6fb)}.resource-link small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.topic-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.smallbtn{font-size:12px!important;padding:8px 12px!important;min-height:0!important}@media (max-width:760px){.resource-head{display:block}.resource-toolbar{display:block}.resource-toolbar .btn,.resource-toolbar .search{width:100%;margin-bottom:8px}.mobilebar{overflow-x:auto;justify-content:flex-start}.mobile-nav{min-width:76px}}
.verify-box{margin-top:18px;padding:16px;border:1px solid rgba(7,44,72,.18);border-radius:16px;background:rgba(239,247,251,.75)}
.verify-box h3{margin:0 0 6px;font-family:var(--condensed);letter-spacing:.06em;text-transform:uppercase;color:var(--navy)}
.dev-code{margin:10px 0;padding:12px;border:1px dashed rgba(7,44,72,.35);border-radius:12px;background:#fff;color:var(--navy);font-size:13px;line-height:1.45}
.dev-code b{font-family:var(--condensed);font-size:24px;letter-spacing:.18em;display:block;margin-top:4px}


/* v4.3 · Acceso con nickname y confirmación de contraseña */
.field-hint{display:block;margin-top:6px;color:var(--muted,#587083);font-size:.78rem;line-height:1.35}
.password-visibility{align-self:flex-start;border:0;background:transparent;color:#0a4b72;font-weight:700;cursor:pointer;padding:2px 0 8px;text-decoration:underline;text-underline-offset:3px}
.password-visibility:hover{color:#06243b}
.password-visibility:focus-visible{outline:2px solid #1d6f98;outline-offset:3px;border-radius:3px}


/* AUTH 4.4 · modos de acceso separados */
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;margin:0 0 28px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.06)}
.auth-tab{min-height:46px;border-radius:10px;background:transparent;color:#aecaD9;font-family:var(--condensed);font-size:1rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;transition:.18s ease}
.auth-tab:hover{color:#fff;background:rgba(255,255,255,.07)}
.auth-tab.active{color:var(--navy);background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.auth-heading{margin-bottom:13px}.auth-eyebrow{display:block;margin-bottom:5px;color:#8fc3dc;font-family:var(--condensed);font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.auth-fields{display:block}.auth-form{max-height:calc(100vh - 44px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.28) transparent}
.auth-form::-webkit-scrollbar{width:8px}.auth-form::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:999px}
.auth-submit{width:100%;min-height:52px;margin-top:4px;font-size:1rem}
.password-input-wrap{position:relative}.password-input-wrap input{padding-right:52px}
.password-eye{position:absolute;right:7px;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:9px;display:grid;place-items:center;background:transparent;color:#bfd5e2}
.password-eye:hover{background:rgba(255,255,255,.10);color:#fff}.password-eye svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8}.password-eye.showing{color:#79d4ff;background:rgba(121,212,255,.10)}
.field-hint{display:block;margin-top:1px;color:rgba(210,226,235,.62);font-size:.72rem;line-height:1.45}
.auth-help{margin:18px 0 0;padding-top:15px;border-top:1px solid rgba(255,255,255,.12);text-align:center}
.verify-box{margin-top:18px;padding:18px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.08)}
@media(max-height:760px) and (min-width:1001px){.auth-card{width:min(1040px,100%)}.auth-visual{min-height:610px;padding:34px}.auth-title{margin-top:38px}.auth-title h1{font-size:7rem}.auth-sketch{height:170px;margin-top:20px}.auth-form{padding:34px 42px}.field{margin:11px 0}.auth-tabs{margin-bottom:18px}.auth-form h2{font-size:2.9rem}}
@media(max-width:1000px){.auth-form{max-height:none;overflow:visible}.auth-tabs{margin-bottom:20px}.auth-heading{text-align:left}.auth-submit{position:sticky;bottom:8px;z-index:3}}

/* v4.5 · Recuperación de contraseña */
.auth-text-link{
  display:inline-flex;align-self:flex-end;margin:-2px 0 7px;padding:4px 0;
  background:transparent;color:#8fd6f4;font-weight:800;font-size:.82rem;
  text-decoration:underline;text-underline-offset:3px
}
.auth-text-link:hover{color:#fff}
.reset-box{margin-top:0}
.reset-box h3{color:#fff}
.reset-box .field{margin:13px 0}
.reset-box .auth-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.reset-box .auth-actions .btn:first-child{grid-column:1/-1}
.reset-box .btn.ghost{color:#d3e2eb;border-color:rgba(255,255,255,.22)}
.reset-box .btn.ghost:hover{background:rgba(255,255,255,.08)}
@media(max-width:560px){
  .reset-box .auth-actions{grid-template-columns:1fr}
  .reset-box .auth-actions .btn:first-child{grid-column:auto}
}

/* v4.6 · Panel de administración */
.admin-title-row{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.admin-title-row h2{margin-top:10px}.admin-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:14px 0 18px}.admin-summary article{background:linear-gradient(180deg,#fff,#f3f8fb);border:1px solid rgba(6,36,59,.18);border-radius:14px;padding:16px;text-align:center;box-shadow:0 8px 18px rgba(6,36,59,.05)}.admin-summary strong{display:block;font-family:var(--display);font-size:2.5rem;line-height:1;color:var(--navy)}.admin-summary span{display:block;margin-top:5px;color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.admin-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;margin:12px 0 16px}.admin-users{display:grid;gap:14px}.admin-user-card{border:1px solid rgba(6,36,59,.18);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.97),rgba(247,251,253,.94));padding:16px;box-shadow:0 10px 24px rgba(6,36,59,.06)}.admin-user-main{display:flex;gap:13px;align-items:center}.admin-avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,#083a59,#021725);color:#fff;font-family:var(--display);font-size:1.65rem;border:3px solid #fff;box-shadow:0 0 0 1px rgba(6,36,59,.3)}.admin-user-main h3{font-family:var(--condensed);font-size:1.5rem;letter-spacing:.04em;text-transform:none;margin:0;color:var(--navy)}.admin-user-main p{margin:2px 0 8px;color:var(--muted)}.admin-badges{display:flex;flex-wrap:wrap;gap:6px}.admin-badge{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;border:1px solid rgba(6,36,59,.15);background:#eef4f7;color:var(--navy);font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.admin-badge.ok{background:#eefaf4;border-color:#bfe8d2;color:var(--ok)}.admin-badge.warn{background:#fff8ec;border-color:#ffe1a9;color:var(--warn)}.admin-badge.danger{background:#fff2f0;border-color:#ffc9c3;color:var(--bad)}.admin-badge.admin{background:linear-gradient(180deg,#083a59,#021725);border-color:#06243b;color:#fff}.admin-user-meta{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:14px 0}.admin-user-meta div{padding:10px;border-radius:10px;background:rgba(233,243,248,.65);border:1px solid rgba(6,36,59,.1)}.admin-user-meta span{display:block;font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:800}.admin-user-meta b{display:block;margin-top:3px;font-size:.82rem;color:var(--navy);line-height:1.3}.admin-user-actions{display:flex;gap:8px;flex-wrap:wrap;padding-top:12px;border-top:1px solid rgba(6,36,59,.12)}.admin-user-actions .btn{padding:9px 11px;font-size:.68rem;letter-spacing:.06em}.nav-btn[hidden]{display:none!important}
@media(max-width:1000px){.admin-summary{grid-template-columns:repeat(2,1fr)}.admin-user-meta{grid-template-columns:repeat(2,1fr)}.admin-toolbar{grid-template-columns:1fr}.admin-title-row{display:block}.admin-title-row .btn{margin-top:10px}}
@media(max-width:560px){.admin-summary{grid-template-columns:1fr 1fr}.admin-user-main{align-items:flex-start}.admin-user-meta{grid-template-columns:1fr}.admin-user-actions .btn{width:100%}}

/* v4.8 · copias SQLite y auditoría */
.admin-section{margin-top:22px;padding-top:22px;border-top:1px solid rgba(6,36,59,.15)}
.admin-section:first-of-type{margin-top:0;padding-top:0;border-top:0}
.admin-section-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:14px}
.admin-section-head h3{font-family:var(--condensed);font-size:1.65rem;letter-spacing:.04em;margin:8px 0 2px;color:var(--navy)}
.backup-health{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:12px 0 14px}
.backup-health div{padding:12px;border:1px solid rgba(6,36,59,.12);background:rgba(233,243,248,.6);border-radius:11px}
.backup-health span{display:block;font-size:.68rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.backup-health b{display:block;margin-top:4px;color:var(--navy);font-size:.9rem}
.backup-list,.audit-list{display:grid;gap:9px}
.backup-row{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:12px 13px;border:1px solid rgba(6,36,59,.14);border-radius:12px;background:linear-gradient(180deg,#fff,#f7fbfd)}
.backup-row b{font-size:.82rem;overflow-wrap:anywhere;color:var(--navy)}
.backup-row p{margin:4px 0 0;font-size:.75rem;color:var(--muted)}
.backup-row .btn{flex:0 0 auto;padding:8px 10px;font-size:.68rem}
.audit-list{max-height:430px;overflow:auto;padding-right:3px}
.audit-row{display:grid;grid-template-columns:10px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 12px;border-bottom:1px solid rgba(6,36,59,.1)}
.audit-row:last-child{border-bottom:0}
.audit-dot{width:8px;height:8px;border-radius:50%;background:var(--navy);box-shadow:0 0 0 4px rgba(6,36,59,.08)}
.audit-row b{font-size:.82rem;color:var(--navy)}
.audit-row p{margin:3px 0 0;font-size:.72rem;color:var(--muted);overflow-wrap:anywhere}
.audit-row time{font-size:.7rem;color:var(--muted);white-space:nowrap}
.restore-modal h3{font-family:var(--condensed);font-size:2rem;margin:10px 0;color:var(--navy)}
.restore-modal label{display:grid;gap:6px;margin-top:13px;font-size:.8rem;font-weight:800;color:var(--navy)}
.restore-modal input{width:100%;padding:12px;border:1px solid rgba(6,36,59,.25);border-radius:10px;font:inherit}
.restore-file{padding:10px 12px;border-radius:10px;background:#edf5f8;border:1px solid rgba(6,36,59,.14);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.78rem;overflow-wrap:anywhere}
.restore-modal .btns{justify-content:flex-end;margin-top:16px}
@media(max-width:1000px){.backup-health{grid-template-columns:repeat(2,1fr)}.admin-section-head{display:block}.admin-section-head>.btn{margin-top:10px}}
@media(max-width:560px){.backup-health{grid-template-columns:1fr 1fr}.backup-row{align-items:flex-start;flex-direction:column}.backup-row .btn{width:100%}.audit-row{grid-template-columns:10px 1fr}.audit-row time{grid-column:2}.restore-modal .btns .btn{width:100%}}

/* v4.9 · copias externas, diagnóstico y mantenimiento */
.admin-head-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.backup-actions{display:flex;gap:8px;align-items:center;flex:0 0 auto}
.diagnostic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:12px 0 10px}
.diagnostic-grid article{padding:13px;border:1px solid rgba(6,36,59,.13);border-radius:12px;background:linear-gradient(180deg,#fff,#f5fafc);min-width:0}
.diagnostic-grid span{display:block;font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:900}
.diagnostic-grid b{display:block;margin:5px 0 4px;color:var(--navy);font-family:var(--condensed);font-size:1.25rem;overflow-wrap:anywhere}
.diagnostic-grid small{display:block;color:var(--muted);line-height:1.35;overflow-wrap:anywhere}
.diagnostic-foot{margin-top:10px}
@media(max-width:1100px){.diagnostic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.admin-head-actions{justify-content:flex-start;margin-top:10px}.backup-actions{width:100%;flex-wrap:wrap}.backup-actions .btn{flex:1}.diagnostic-grid{grid-template-columns:1fr}}

/* ========================================================================== */
/* v4.9.2 · Rediseño visual premium y sistema de iconos coherente             */
/* ========================================================================== */
:root{
  --blueprint-grid:rgba(18,79,112,.075);
  --blueprint-line:rgba(6,36,59,.22);
  --card-line:rgba(16,67,96,.35);
  --card-highlight:rgba(255,255,255,.88);
  --premium-shadow:0 18px 44px rgba(3,28,46,.10);
}

/* Todos los iconos de interfaz son lineales, sin rellenos negros accidentales. */
.nav-btn svg,.mobilebar svg,.module-icon svg,.action-icon svg,.primary-cta svg,
.btn svg,.avatar svg,.compass-badge svg,.resource-link svg{
  fill:none!important;
  stroke:currentColor!important;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
  vector-effect:non-scaling-stroke;
}
.nav-btn svg *,.mobilebar svg *,.module-icon svg *,.action-icon svg *,
.primary-cta svg *,.btn svg *,.avatar svg *,.compass-badge svg *,
.resource-link svg *{
  fill:none;
  stroke:currentColor;
  stroke-linecap:round;
  stroke-linejoin:round;
}

/* Lienzo general más limpio y más cercano a la maqueta de referencia. */
body{
  background:
    radial-gradient(circle at 0 0,rgba(16,94,128,.12),transparent 27%),
    radial-gradient(circle at 100% 0,rgba(6,36,59,.10),transparent 31%),
    linear-gradient(90deg,var(--blueprint-grid) 1px,transparent 1px),
    linear-gradient(0deg,var(--blueprint-grid) 1px,transparent 1px),
    #edf4f7;
  background-size:auto,auto,36px 36px,36px 36px,auto;
}
.app{grid-template-columns:116px minmax(0,1fr)}
.side{
  padding:16px 9px 15px;
  background:linear-gradient(180deg,#021a2c 0%,#043553 52%,#03233a 100%);
  box-shadow:10px 0 28px rgba(1,21,34,.20);
}
.brand-mini{width:72px;height:72px;border-radius:10px}
.brand-mini svg{width:56px;height:42px}
.nav{gap:4px;margin-top:22px}
.nav-btn{
  min-height:58px;border-radius:12px;padding:8px 4px;gap:5px;
  font-size:.68rem;font-weight:800;letter-spacing:-.01em;
}
.nav-btn svg{width:22px;height:22px}
.nav-btn.active,.nav-btn:hover{
  background:linear-gradient(90deg,rgba(116,202,235,.24),rgba(255,255,255,.055));
  box-shadow:inset 4px 0 0 #69c8ec;
}
.side-foot{font-size:.65rem;letter-spacing:.20em;line-height:1.65}
.compass-badge svg{width:30px;height:30px}

main{padding:14px clamp(8px,2vw,30px) 28px}
.sheet{
  max-width:1390px;border-radius:20px;
  background:linear-gradient(180deg,rgba(255,255,255,.99),rgba(249,252,252,.975));
  box-shadow:0 20px 55px rgba(3,28,46,.16);
}
.sheet::before{inset:16px;border-width:2px;border-radius:4px}
.inner{padding:24px clamp(20px,3.6vw,54px) 30px}
.topbar{
  min-height:62px;margin:0 0 2px;padding:0 4px 13px;
  border-bottom:1px solid rgba(6,36,59,.13);
}
.brand{font-size:.78rem;gap:12px}.brand svg{width:92px;height:43px}
.top-user{gap:10px}.avatar{width:40px;height:40px}.logout-btn{background:#fff}

/* Cabecera principal: más paisaje, título menos desproporcionado. */
.premium-home .hero{
  min-height:290px;margin:0 0 6px;padding:24px 0 20px;
  background:
    linear-gradient(90deg,transparent 49.8%,rgba(6,36,59,.06) 50%,transparent 50.2%),
    linear-gradient(0deg,transparent 74%,rgba(6,36,59,.05) 74.2%,transparent 74.4%);
}
.premium-home .hero::before{left:-20px;width:47%;height:95%;opacity:.82}
.premium-home .hero::after{right:-4px;width:42%;height:96%;opacity:.78}
.premium-home .hero-title{padding:0 18px}
.premium-home .overline{font-size:clamp(1rem,1.8vw,1.45rem);letter-spacing:.62em;text-indent:.62em}
.premium-home .title-main{font-size:clamp(5.2rem,8.8vw,8rem);letter-spacing:.055em}
.premium-home .subtitle{font-size:clamp(.98rem,1.55vw,1.22rem);margin-top:12px}
.premium-home .decor{max-width:470px;margin:14px auto}

/* Dos módulos principales como fichas de proyecto técnico. */
.dashboard{max-width:1040px;gap:20px;margin:2px auto 20px}
.module-card{
  min-height:300px;padding:23px 28px 92px;
  border:1px solid rgba(6,36,59,.48);border-radius:14px;
  background:
    linear-gradient(90deg,rgba(16,79,112,.04) 1px,transparent 1px),
    linear-gradient(0deg,rgba(16,79,112,.04) 1px,transparent 1px),
    linear-gradient(180deg,rgba(255,255,255,.98),rgba(245,250,252,.94));
  background-size:20px 20px,20px 20px,auto;
  box-shadow:var(--premium-shadow);
}
.module-card::before{inset:10px;border-color:rgba(6,36,59,.18);border-radius:9px}
.module-card::after{
  height:124px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(218,234,242,.60));
}
.module-icon{
  width:58px;height:58px;margin:0 auto 10px;border:4px solid #fff;
  background:linear-gradient(180deg,#0a476a,#031c2e);
  box-shadow:0 0 0 1px rgba(6,36,59,.52),0 8px 18px rgba(3,28,46,.18);
}
.module-icon svg{width:29px!important;height:29px!important;color:#fff}
.module-card h2{
  position:relative;z-index:2;margin:6px 0 7px;
  font-size:clamp(2.85rem,4.2vw,3.9rem);line-height:.93;letter-spacing:.035em;
}
.module-card p{position:relative;z-index:2;margin:0 0 14px;font-size:.94rem}
.module-card .btn{
  position:relative;z-index:3;min-width:170px;padding:11px 18px;border-radius:8px;
  margin:0 auto;font-size:.78rem;box-shadow:0 7px 16px rgba(3,28,46,.14);
}
.module-card .sketch{left:8px;right:8px;bottom:1px;height:122px;opacity:.50}
.module-card.comun .sketch{
  background-image:var(--svg-bridge),var(--svg-tower);
  background-position:left bottom,right -10px bottom -6px;
  background-size:76% 118%,35% 92%;
}
.module-card.especifica .sketch{
  background-image:var(--svg-road),var(--svg-tower);
  background-position:center bottom,right -16px bottom -8px;
  background-size:100% 100%,34% 88%;
}

/* CTA principal compacta, sólida y alineada con la maqueta. */
.primary-cta{
  width:min(520px,calc(100% - 20px));min-height:60px;
  margin:12px auto 18px;padding:15px 23px;border-radius:8px;
  font-size:1.28rem;letter-spacing:.24em;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.14),0 10px 24px rgba(3,28,46,.18);
}
.primary-cta svg{width:28px!important;height:28px!important;flex:0 0 auto}
.primary-cta .chev{font-size:1.7rem;line-height:1}

/* Accesos rápidos: cinco columnas, iconos legibles y ritmo uniforme. */
.actions-row{max-width:1080px;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}
.action-tile{
  min-height:146px;padding:16px 14px 24px;gap:7px;
  border-color:rgba(6,36,59,.24);border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(247,251,252,.95));
  box-shadow:0 8px 18px rgba(3,28,46,.055);
}
.action-tile:hover{transform:translateY(-3px);box-shadow:0 15px 28px rgba(3,28,46,.12)}
.action-icon{
  width:50px;height:50px;border-radius:999px;display:grid;place-items:center;
  color:var(--navy);background:#fff;border:1px solid rgba(6,36,59,.18);
  box-shadow:0 5px 12px rgba(3,28,46,.08);
}
.action-icon svg{width:27px!important;height:27px!important}
.action-tile b{font-size:1rem;line-height:1.05}
.action-tile .small{font-size:.74rem;line-height:1.3;color:#526d7e}
.tile-arrow{right:12px;bottom:8px;font-size:1rem}

/* Botones y paneles con menos redondeo: estética de plano técnico. */
.btn{border-radius:9px}
.panel{border-radius:14px;box-shadow:0 12px 28px rgba(3,28,46,.08)}
.panel h2{font-size:clamp(2.8rem,5vw,3.55rem)}
.footer-mark{display:flex;align-items:center;justify-content:center;gap:18px}
.footer-mark::before,.footer-mark::after{content:"";width:80px;height:1px;background:rgba(6,36,59,.28)}

/* Móvil: tarjetas horizontales como en la referencia, sin sacrificar botones. */
@media(max-width:1180px) and (min-width:701px){
  .actions-row{grid-template-columns:repeat(3,minmax(0,1fr));max-width:820px}
  .action-tile:nth-child(4),.action-tile:nth-child(5){min-height:132px}
}
@media(max-width:1000px){
  .app{grid-template-columns:1fr}
  .premium-home .hero{min-height:250px}
  .premium-home .hero::before{width:62%;opacity:.58}
  .premium-home .hero::after{width:53%;opacity:.55}
  .dashboard{max-width:720px}
}
@media(max-width:700px){
  main{padding:6px 6px 84px}.sheet::before{inset:8px}.inner{padding:15px 12px 22px}
  .topbar{min-height:54px;padding-bottom:9px}.brand span{font-size:.68rem}.brand svg{width:64px}
  .premium-home .hero{min-height:222px;padding:20px 0 12px}
  .premium-home .title-main{font-size:clamp(3.65rem,18vw,5.25rem)}
  .premium-home .overline{font-size:.85rem}.premium-home .subtitle{font-size:.86rem;max-width:280px;margin-inline:auto}
  .premium-home .hero::before{left:-55px;width:78%;height:75%;opacity:.42}
  .premium-home .hero::after{right:-32px;width:65%;height:74%;opacity:.40}
  .dashboard{gap:10px;margin-bottom:14px}
  .module-card{
    min-height:124px;display:grid;grid-template-columns:58px minmax(0,1fr) 40px;
    grid-template-rows:auto auto;align-items:center;column-gap:12px;
    padding:15px 54px 15px 15px;text-align:left;
  }
  .module-card::after{height:100%;opacity:.28}
  .module-icon{grid-column:1;grid-row:1/3;width:52px;height:52px;margin:0}
  .module-icon svg{width:25px!important;height:25px!important}
  .module-card h2{grid-column:2;grid-row:1;margin:0;text-align:left;font-size:clamp(1.85rem,8vw,2.4rem);white-space:normal}
  .module-card p{grid-column:2;grid-row:2;margin:3px 0 0;text-align:left;font-size:.72rem;line-height:1.3}
  .module-card .btn{
    position:absolute;right:13px;top:50%;transform:translateY(-50%);
    width:38px;min-width:38px;height:38px;padding:0;border-radius:999px;font-size:0;margin:0;
  }
  .module-card .btn span{font-size:1.45rem;line-height:1}
  .module-card .sketch{left:36%;right:42px;height:100%;opacity:.12;background-position:right bottom!important;background-size:contain!important}
  .primary-cta{min-height:54px;margin:10px auto 14px;font-size:1rem;letter-spacing:.18em;padding:12px 17px}
  .primary-cta svg{width:25px!important;height:25px!important}
  .actions-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .action-tile{min-height:120px;padding:13px 10px 20px}
  .action-icon{width:43px;height:43px}.action-icon svg{width:24px!important;height:24px!important}
  .action-tile b{font-size:.92rem}.action-tile .small{font-size:.67rem}
}
@media(max-width:390px){
  .module-card h2{font-size:1.7rem}
  .action-tile{min-height:116px}
  .top-user .tag{display:none}
}


/* v4.9.3 · Biblioteca colaborativa */
.material-add-btn{display:inline-flex;align-items:center;gap:8px}
.material-add-btn svg{width:18px;height:18px;fill:none;stroke:currentColor}
.materials-loading{padding:26px;text-align:center;color:var(--muted);border:1px dashed rgba(6,36,59,.22);border-radius:14px;background:rgba(255,255,255,.65)}
.material-share-panel{position:relative;margin:0 0 20px;padding:22px;border:1px solid rgba(6,36,59,.28);border-radius:16px;background:linear-gradient(145deg,#fff 0%,#f1f8fc 100%);box-shadow:0 16px 36px rgba(6,36,59,.12)}
.material-share-panel[hidden]{display:none!important}
.material-share-panel:before{content:"";position:absolute;inset:8px;border:1px solid rgba(31,92,128,.12);border-radius:11px;pointer-events:none}
.material-share-head{position:relative;display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:16px}
.material-share-head h3{font-family:var(--condensed);font-size:30px;letter-spacing:.06em;text-transform:uppercase;margin:7px 0 4px;color:var(--navy)}
.material-share-head p{margin:0;color:var(--muted)}
.icon-close{position:relative;z-index:1;width:38px;height:38px;border:1px solid rgba(6,36,59,.22);border-radius:50%;background:#fff;color:var(--navy);font-size:25px;line-height:1;cursor:pointer}
.material-kind-tabs{position:relative;display:inline-flex;padding:4px;margin-bottom:16px;border:1px solid rgba(6,36,59,.2);border-radius:12px;background:rgba(6,36,59,.06)}
.material-kind-tabs button{border:0;border-radius:8px;background:transparent;color:var(--muted);font:800 12px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:10px 16px;cursor:pointer}
.material-kind-tabs button.active{background:var(--navy);color:#fff;box-shadow:0 6px 14px rgba(6,36,59,.18)}
.material-form-grid{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.material-form-grid label{display:flex;flex-direction:column;gap:7px;font-weight:800;color:var(--navy);font-size:12px;letter-spacing:.05em;text-transform:uppercase}
.material-form-grid input,.material-form-grid select,.material-form-grid textarea{width:100%;border:1px solid rgba(6,36,59,.22);border-radius:11px;background:#fff;color:var(--navy);font:500 15px/1.35 var(--sans);letter-spacing:0;text-transform:none;padding:12px 13px;outline:none;transition:.18s ease}
.material-form-grid textarea{resize:vertical;min-height:84px}
.material-form-grid input:focus,.material-form-grid select:focus,.material-form-grid textarea:focus{border-color:#2f8ab5;box-shadow:0 0 0 3px rgba(51,157,204,.14)}
.material-wide{grid-column:1/-1}
.material-drop{padding:14px;border:1px dashed rgba(6,36,59,.32);border-radius:13px;background:rgba(255,255,255,.65)}
.material-drop input{padding:9px;background:#fff}
.material-drop small{color:var(--muted);font-weight:500;letter-spacing:0;text-transform:none}
.material-share-actions{position:relative;display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.material-upload-status{position:relative;min-height:20px;margin-top:10px;color:#a33b32;font-size:13px;font-weight:700}
.resource-head-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.community-count{display:inline-flex;align-items:center;min-height:34px;padding:7px 10px;border-radius:999px;background:#edf7fb;color:#275f7f;font-size:11px;font-weight:900;letter-spacing:.07em;text-transform:uppercase;border:1px solid rgba(38,105,140,.14)}
.official-resources{padding-bottom:16px}
.empty-official{grid-column:1/-1;margin:0;padding:12px 14px;border:1px dashed rgba(6,36,59,.2);border-radius:11px;background:rgba(255,255,255,.6)}
.community-section{position:relative;margin-top:2px;padding-top:16px;border-top:1px solid rgba(6,36,59,.14)}
.community-section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:11px}
.community-section-title span{display:block;color:var(--navy);font-weight:900;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.community-section-title small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.link-button{border:0;background:transparent;color:#196d96;font-weight:900;font-size:12px;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;padding:5px}
.link-button:hover{text-decoration:underline}
.community-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.community-material-card{position:relative;display:grid;grid-template-columns:1fr auto;grid-template-areas:"open delete" "info delete";gap:6px 10px;align-items:center;padding:12px;border:1px solid rgba(6,36,59,.17);border-radius:13px;background:linear-gradient(135deg,#fff,#f5fbfe);transition:.18s ease}
.community-material-card:hover{border-color:rgba(6,36,59,.34);box-shadow:0 9px 20px rgba(6,36,59,.09);transform:translateY(-1px)}
.community-material-open{grid-area:open;display:flex;align-items:center;gap:10px;min-width:0;width:100%;padding:0;border:0;background:transparent;text-align:left;text-decoration:none;color:var(--navy);cursor:pointer}
.community-material-open svg{width:28px;height:28px;flex:0 0 28px;fill:none;stroke:currentColor}
.community-material-open span{min-width:0}
.community-material-open b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.community-material-open small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.community-material-info{grid-area:info;padding-left:38px;min-width:0}
.community-material-info p{margin:0 0 4px;color:#35556a;font-size:12px;line-height:1.35}
.community-material-info>small{color:#738a98;font-size:10px}
.material-delete-btn{grid-area:delete;align-self:start;width:34px;height:34px;border:1px solid rgba(177,58,48,.2);border-radius:9px;background:#fff8f7;color:#b13930;cursor:pointer;display:grid;place-items:center}
.material-delete-btn:hover{background:#b13930;color:#fff;border-color:#b13930}
.material-delete-btn svg{width:17px;height:17px;fill:none;stroke:currentColor}
.community-empty{grid-column:1/-1;margin:0;padding:14px;border:1px dashed rgba(6,36,59,.18);border-radius:11px;color:var(--muted);background:rgba(255,255,255,.56);font-size:13px}

@media (max-width:900px){
  .resource-head-actions{justify-content:flex-start;margin-top:10px}
  .community-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .material-share-panel{padding:18px 14px}
  .material-share-head{display:block;padding-right:42px}
  .icon-close{position:absolute;right:0;top:0}
  .material-form-grid{grid-template-columns:1fr}
  .material-wide{grid-column:auto}
  .material-kind-tabs{display:flex;width:100%}
  .material-kind-tabs button{flex:1;padding:10px 8px}
  .material-share-actions{display:grid;grid-template-columns:1fr 1fr}
  .material-share-actions .btn{width:100%}
  .community-section-title{align-items:flex-start}
  .community-material-info{padding-left:0}
}