:root{--teal:#007b85;--navy:#00205b;--green:#70ad47;--yellow:#ffb600;--bg:#f8fafc;--ink:#1e293b;--muted:#64748b;--line:#dbe5ea;--danger:#c2413b;--shadow:0 22px 60px rgba(0,32,91,.15)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Outfit,system-ui,sans-serif}button,select,input{font:inherit}button,select{cursor:pointer}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(255,182,0,.55);outline-offset:2px}[hidden]{display:none!important}.auth-locked{overflow:hidden}.login-gate{min-height:100svh;background:radial-gradient(circle at 16% 20%,#0d8994 0,transparent 28%),linear-gradient(135deg,#00183f,#002d69 60%,#004f65);display:grid;place-items:center;padding:22px}.login-shell{width:min(1120px,100%);min-height:660px;display:grid;grid-template-columns:1.15fr .85fr;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 40px 100px #00132e}.login-story{padding:52px;color:#fff;background:linear-gradient(160deg,rgba(0,32,91,.06),rgba(0,123,133,.28));display:flex;flex-direction:column;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);text-decoration:none}.brand-light{color:#fff}.brand img{width:54px;height:54px;border-radius:50%;object-fit:cover}.brand span{display:flex;flex-direction:column}.brand b{font-size:1rem}.brand small{opacity:.75}.eyebrow{font-weight:800;font-size:.75rem;letter-spacing:.15em}.teal{color:var(--teal)}.login-story h1{font-size:clamp(3.3rem,7vw,6.6rem);line-height:.8;margin:18px 0 28px;letter-spacing:-.06em}.login-story h1 em{color:var(--yellow);font-style:normal}.login-story>div>p:last-child{max-width:570px;font-size:1.2rem;color:#d9edf0}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.feature-row span{border-top:1px solid #5c829f;padding-top:15px}.feature-row b{display:block;color:var(--yellow)}.login-card{padding:55px 44px;display:flex;flex-direction:column;justify-content:center}.login-card h2{font-size:2.2rem;margin:4px 0}.card-kicker{color:var(--teal);font-weight:800;font-size:.75rem;letter-spacing:.12em}.login-card form{display:grid;gap:9px;margin:22px 0}.login-card label,.control-panel label,.intro label{font-weight:700;font-size:.85rem}.login-card input,.control-panel select,.intro select{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;background:#fff;color:var(--ink)}.password-wrap{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}.password-wrap input{border:0}.password-wrap button{border:0;background:#eef5f5;color:var(--teal);font-weight:700}.primary{border:0!important;background:linear-gradient(135deg,var(--teal),#005c74)!important;color:white!important;box-shadow:0 8px 18px rgba(0,123,133,.22)}.wide{width:100%;padding:15px;border-radius:12px;font-weight:800}.form-message{min-height:20px;color:var(--danger);margin:3px 0}.register{display:grid;gap:3px;background:#eff8f7;border-left:4px solid var(--teal);padding:15px}.register a{color:var(--navy);font-weight:800}.login-card>small{margin-top:16px;color:var(--muted)}.topbar{height:76px;background:white;border-bottom:1px solid var(--line);padding:9px max(20px,calc((100vw - 1280px)/2));display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:20}.session{display:flex;gap:12px;align-items:center}.session button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 10px}.modebar{background:var(--navy);padding:9px max(20px,calc((100vw - 1280px)/2));display:flex;gap:8px;overflow:auto;position:sticky;top:76px;z-index:19}.modebar button{white-space:nowrap;border:1px solid #44618a;background:transparent;color:#dce8f3;padding:9px 13px;border-radius:9px;font-weight:700}.modebar button.active{background:var(--yellow);color:var(--navy);border-color:var(--yellow)}.modebar #manualBtn{margin-left:auto}.modebar button:disabled{opacity:.6;cursor:not-allowed}main{width:min(1280px,calc(100% - 32px));margin:26px auto 70px}.intro{display:flex;justify-content:space-between;gap:25px;align-items:end}.intro h1{font-size:clamp(2rem,4vw,3.4rem);margin:4px 0}.intro p{max-width:720px;color:var(--muted)}.intro label{width:min(330px,100%)}.guided-card{background:#fff;border:1px solid #cfe2e3;border-radius:20px;padding:18px 22px;margin:22px 0;box-shadow:0 8px 25px rgba(0,32,91,.06)}.step-count{display:flex;gap:12px;align-items:center;color:var(--teal);font-size:.75rem;font-weight:800}.progress{height:5px;background:#e5eded;border-radius:8px;flex:1}.progress i{display:block;height:100%;width:12.5%;background:var(--yellow);border-radius:8px;transition:.3s}.guide-copy{display:flex;align-items:center;gap:18px;margin:13px 0}.guide-icon{width:50px;height:50px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;background:var(--navy);color:#fff;font-weight:800}.guide-copy h2{margin:0}.guide-copy p{margin:4px 0}.why{color:var(--muted)}.why:before{content:'POR QUÉ: ';font-weight:800;color:var(--teal)}.guide-actions{display:flex;justify-content:flex-end;gap:8px}.guide-actions button,.measure-buttons button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 14px;font-weight:700}.workgrid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(330px,.55fr);gap:20px}.instrument-stage{min-height:760px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-radius:28px;background:radial-gradient(circle at 50% 20%,#153957,#061523 72%);box-shadow:var(--shadow);padding:60px 20px 35px}.ambient i{position:absolute;border:1px solid rgba(0,209,211,.15);border-radius:50%;width:480px;height:480px;left:50%;top:30%;transform:translate(-50%,-50%)}.ambient i:nth-child(2){width:650px;height:650px}.ambient i:nth-child(3){width:830px;height:830px}.probe{width:155px;align-self:flex-start;margin-right:-72px;z-index:3;filter:drop-shadow(0 18px 18px rgba(0,0,0,.4));transition:.3s}.probe-head{height:138px;border-radius:50% 50% 45% 45%;background:radial-gradient(circle at 40% 25%,#e8fbfa,#66b7b4 18%,#16455d 55%,#071c2c 70%);border:5px solid #a7d3d0;position:relative;display:grid;place-items:center;color:#d6ffff}.probe-head span{position:absolute;inset:22px;border:2px solid #61dad6;border-radius:50%}.probe-head span:nth-child(2){transform:rotateX(62deg)}.probe-head span:nth-child(3){transform:rotateY(62deg)}.probe-head b{font-size:.8rem;z-index:2}.probe-neck{height:105px;width:50px;margin:auto;background:linear-gradient(90deg,#0c2637,#547286 45%,#132f40);border-radius:0 0 12px 12px}.probe-label{font-size:.57rem;text-align:center;background:#d6e3e6;color:#173243;padding:5px;width:72px;margin:auto}.meter{z-index:2;width:min(390px,68vw);padding:25px 26px 22px;background:linear-gradient(145deg,#d9e3e5,#7d9098 50%,#3b505c);border-radius:35px 35px 55px 55px;border:3px solid #a9bbc1;box-shadow:inset 3px 3px 7px #fff8,inset -5px -8px 12px #142d38aa,0 35px 45px #0008;position:relative}.meter:after{content:'';position:absolute;inset:8px;border:1px solid #ffffff55;border-radius:28px 28px 48px 48px;pointer-events:none}.meter-top,.meter-brand{display:flex;justify-content:space-between;align-items:center;color:#0a2433;font-size:.75rem;font-weight:800;margin-bottom:9px}.meter-top span{background:var(--yellow);padding:3px 6px;border-radius:4px}.meter-top i{width:10px;height:10px;border-radius:50%;background:#491a1a;box-shadow:inset 0 0 3px #000}.meter.on .meter-top i{background:#5cff7d;box-shadow:0 0 12px #5cff7d}.screen{height:300px;background:linear-gradient(#a7c8b0,#779d86);border:10px solid #263c47;border-radius:14px;box-shadow:inset 0 0 28px #254d3d;padding:12px;color:#092819;text-shadow:0 1px #d2eed9;transition:.2s}.screen.off{filter:brightness(.28);color:transparent;text-shadow:none}.screen-head,.screen-foot,.axis{display:flex;justify-content:space-between;font-size:.72rem;font-weight:800}.screen-main{display:flex;align-items:baseline;justify-content:center;margin:22px 0 8px}.screen-main span{font-size:4.15rem;line-height:1;font-family:ui-monospace,monospace;letter-spacing:-.08em}.screen-main small{font-weight:800}.axis{padding-bottom:9px;border-bottom:1px solid #2a5940}.spectrum{height:72px;display:flex;align-items:end;gap:3px;padding:8px 0}.spectrum i{flex:1;background:#164a34;min-height:3px}.softkeys{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.softkeys button{border:0;border-radius:8px;padding:8px;background:#263c47;color:#dbe9ed;font-size:.7rem}.keypad{display:flex;align-items:center;justify-content:space-around}.keypad button{border:0;background:linear-gradient(#435b66,#152e39);color:#fff;box-shadow:0 3px 4px #10242c;border-radius:8px}.round,.power{width:47px;height:47px;border-radius:50%!important}.power{color:#f6b0ab!important}.dpad{width:142px;height:116px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}.dpad button:nth-child(1){grid-area:1/2}.dpad button:nth-child(2){grid-area:2/1}.dpad button:nth-child(3){grid-area:2/2}.dpad button:nth-child(4){grid-area:2/3}.dpad button:nth-child(5){grid-area:3/2}.meter-brand{margin:16px 5px 0}.meter-brand b{font-size:1.15rem;color:var(--navy)}.control-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 35px rgba(0,32,91,.08);align-self:start;position:sticky;top:140px}.panel-head{display:flex;justify-content:space-between;gap:10px}.panel-head p{font-size:.7rem;font-weight:800;color:var(--teal);margin:0}.panel-head h2{margin:3px 0 18px}.status{font-size:.68rem;font-weight:800;background:#edf1f3;padding:7px;height:max-content;border-radius:20px}.status.ready{background:#e6f5db;color:#3e7029}.control-panel label{display:grid;gap:6px;margin:14px 0}.two{display:grid;grid-template-columns:1fr 1fr;gap:9px}.field-help,.action-message{border-radius:10px;background:#eef7f7;color:#456;padding:11px;font-size:.83rem}.action-message.error{background:#fff0ee;color:#9e352f}.action-message.success{background:#edf8e7;color:#3e7029}.measure-buttons{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;margin-top:18px}.results{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.results article{background:#fff;border:1px solid var(--line);border-top:4px solid var(--teal);padding:17px;border-radius:14px}.results span{display:block;color:var(--muted);font-size:.68rem;font-weight:800;letter-spacing:.08em}.results strong{display:block;font-size:1.45rem;margin:8px 0}.results small{color:var(--muted)}.results article.safe{border-top-color:var(--green)}.results article.alert{border-top-color:var(--danger)}.scenario-info{display:grid;grid-template-columns:1.5fr .5fr;gap:16px;background:#fff;border-radius:20px;border:1px solid var(--line);padding:23px}.scenario-info h2{margin:4px 0}.scenario-info p{color:var(--muted)}.warning{background:#fff8df;border-left:5px solid var(--yellow);padding:15px}footer{background:var(--navy);color:#dce8f3;padding:26px max(20px,calc((100vw - 1280px)/2));display:flex;justify-content:space-between;gap:20px;font-size:.82rem}dialog{width:min(850px,calc(100% - 24px));border:0;border-radius:22px;padding:27px;box-shadow:0 30px 90px #001532aa}dialog::backdrop{background:#00142dbb}.dialog-close{float:right;border:0;background:#eef2f5;border-radius:50%;width:38px;height:38px;font-size:1.4rem}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.concept-grid article{border:1px solid var(--line);border-radius:12px;padding:14px}.concept-grid article>b{color:var(--teal);font-size:1.6rem}.concept-grid h3{margin:3px 0}.concept-grid p{margin:5px 0;color:var(--muted)}.dialog-note{background:#fff8df;padding:13px;border-radius:10px}.toast{position:fixed;right:18px;bottom:18px;background:#112b3d;color:#fff;padding:12px 17px;border-radius:10px;transform:translateY(100px);opacity:0;transition:.25s;z-index:100}.toast.show{transform:none;opacity:1}
@media(max-width:900px){.login-shell{grid-template-columns:1fr;min-height:0}.login-story{min-height:320px;padding:30px}.login-story h1{font-size:3.5rem}.login-card{padding:32px}.workgrid{grid-template-columns:1fr}.instrument-stage{min-height:700px}.control-panel{position:static}.results{grid-template-columns:1fr 1fr}.scenario-info{grid-template-columns:1fr}.intro{align-items:stretch;flex-direction:column}.intro label{width:100%}.concept-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){
  body.auth-locked{overflow:auto;background:#fff}.login-gate{display:block;min-height:100svh;padding:0;background:#fff}.login-shell{display:flex;flex-direction:column;width:100%;min-height:100svh;border-radius:0;box-shadow:none}.login-story{min-height:0;padding:18px 18px 22px;background:linear-gradient(145deg,#00205b,#006774);gap:20px}.login-story .brand img{width:45px;height:45px}.login-story .brand b{font-size:.9rem}.login-story .brand small{font-size:.7rem}.login-story>div:nth-child(2){margin-top:4px}.login-story .eyebrow{font-size:.62rem;margin:0}.login-story h1{font-size:clamp(2.55rem,14vw,3.55rem);line-height:.84;margin:8px 0 12px;letter-spacing:-.055em}.login-story>div>p:last-child{font-size:.92rem;line-height:1.35;margin:0;color:#d9edf0}.feature-row{font-size:.68rem;gap:7px}.feature-row span{padding-top:8px}.login-card{padding:24px 18px 30px;display:block}.login-card h2{font-size:1.75rem;margin:3px 0 5px}.login-card>p:not(.card-kicker){font-size:.9rem;margin:5px 0}.login-card form{margin:16px 0;gap:7px}.login-card input{min-height:48px;font-size:16px}.password-wrap button{min-width:76px}.wide{min-height:50px}.register{padding:12px;font-size:.88rem}.login-card>small{display:block;font-size:.7rem;line-height:1.35}
  main{width:min(100% - 16px,1280px);margin-top:12px}.topbar{height:64px;padding:7px 9px}.topbar .brand img{width:43px;height:43px}.topbar .brand b{font-size:.78rem}.topbar .brand small,.session span{display:none}.session button{padding:7px 9px}.modebar{position:static;display:grid;grid-template-columns:1fr 1fr;overflow:visible;padding:8px;gap:6px}.modebar button{width:100%;padding:9px 7px;font-size:.76rem;white-space:normal;line-height:1.15}.modebar #manualBtn{margin-left:0}.intro{gap:10px}.intro h1{font-size:2rem;line-height:1;margin:3px 0}.intro p{font-size:.9rem;margin:7px 0}.intro select{min-height:46px;font-size:16px}.guided-card{padding:13px 12px;margin:14px 0}.step-count{font-size:.67rem}.guide-copy{align-items:flex-start;gap:11px;margin:11px 0}.guide-icon{width:39px;height:39px}.guide-copy h2{font-size:1.12rem;line-height:1.1}.guide-copy p{font-size:.82rem;line-height:1.35}.guide-actions{display:grid;grid-template-columns:1fr 1fr}.guide-actions button{padding:10px 5px;font-size:.78rem}.guide-actions .primary{grid-column:1/-1;grid-row:1;min-height:45px}
  .instrument-stage{min-height:720px;display:flex;flex-direction:column;justify-content:center;padding:24px 4px 20px;border-radius:18px}.probe{width:126px;align-self:center;margin:0 0 -20px;z-index:4}.probe-head{height:112px}.probe-neck{height:78px}.probe-label{position:relative;z-index:5}.meter{width:min(330px,calc(100vw - 28px));padding:19px 17px 18px;border-radius:28px 28px 43px 43px}.screen{height:245px;padding:8px;border-width:8px}.screen-main{margin:18px 0 7px}.screen-main span{font-size:clamp(2.8rem,16vw,3.55rem)}.spectrum{height:58px}.meter-brand{margin-top:12px}.ambient i{top:38%;width:340px;height:340px}.ambient i:nth-child(2){width:480px;height:480px}.ambient i:nth-child(3){width:620px;height:620px}.control-panel{padding:15px;border-radius:17px}.control-panel select{min-height:46px;font-size:16px}.two{grid-template-columns:1fr}.measure-buttons{grid-template-columns:1fr}.measure-buttons button{min-height:46px}.results{grid-template-columns:1fr 1fr;gap:8px}.results article{padding:13px}.results strong{font-size:1.15rem}.scenario-info{padding:15px}.concept-grid{grid-template-columns:1fr}footer{flex-direction:column;padding:22px 16px}.toast{left:12px;right:12px;bottom:12px;text-align:center}
}
@media(max-width:370px){.login-story{padding:15px}.login-story h1{font-size:2.55rem}.login-card{padding:20px 14px 28px}.meter{width:calc(100vw - 22px);padding-left:13px;padding-right:13px}.screen-main span{font-size:2.75rem}.results{grid-template-columns:1fr}}
.guide-target{position:relative;z-index:6;outline:4px solid rgba(255,182,0,.9)!important;outline-offset:5px!important;box-shadow:0 0 0 10px rgba(255,182,0,.16),0 0 28px rgba(255,182,0,.45)!important;animation:guidePulse 1.4s ease-in-out infinite;scroll-margin-top:190px}.guide-actions button:disabled{opacity:.42;cursor:not-allowed}.guide-icon{transition:.25s}.step-count span{min-width:max-content}@keyframes guidePulse{50%{outline-color:rgba(255,182,0,.45);box-shadow:0 0 0 16px rgba(255,182,0,.05),0 0 18px rgba(255,182,0,.25)}}
.coach-target{position:relative!important;z-index:30!important;animation:coachPulse 1s ease-in-out 3!important}@keyframes coachPulse{0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,182,0,.9)}50%{transform:scale(1.06);box-shadow:0 0 0 13px rgba(255,182,0,0)}}.guide-coach{width:min(430px,calc(100vw - 32px));position:fixed;z-index:50;right:18px;bottom:18px;padding:13px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;border:1px solid rgba(137,243,235,.42);border-left:5px solid var(--yellow);border-radius:15px;color:white;background:rgba(5,24,40,.97);box-shadow:0 22px 60px rgba(0,0,0,.45);backdrop-filter:blur(16px)}.guide-coach span,.guide-coach strong,.guide-coach p{display:block}.guide-coach span{color:#8ff1ec;font-size:.62rem;font-weight:800;letter-spacing:.1em}.guide-coach strong{margin-top:3px;font-size:.95rem}.guide-coach p{margin:3px 0 0;color:#b9cad3;font-size:.75rem}.guide-coach button{min-height:43px;padding:8px 12px;border:0;border-radius:9px;color:#071726;background:var(--yellow);font-weight:800}.guide-coach.advance{animation:coachAdvance .85s ease}@keyframes coachAdvance{45%{transform:translateY(-8px);box-shadow:0 28px 70px rgba(0,0,0,.55),0 0 0 7px rgba(255,182,0,.16)}}@media(max-width:560px){.guide-coach{left:9px;right:9px;bottom:max(9px,env(safe-area-inset-bottom));width:auto;padding:10px;gap:8px;border-radius:13px}.guide-coach strong{font-size:.85rem}.guide-coach p{font-size:.69rem}.guide-coach button{min-height:42px;padding:7px 10px}.toast{bottom:130px}.guide-target{scroll-margin-top:90px}}