@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&display=swap');
.pairwise-card{width:min(680px,100%);margin:8vh auto;padding:clamp(24px,5vw,48px);text-align:center;border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.pairwise-card h1{font-size:clamp(1.7rem,4vw,2.8rem)}.pairwise-hint{color:var(--muted);font-size:.9rem}.pairwise-options{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:32px}.pairwise-options article{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:18px}.pairwise-play,.pairwise-choice{min-height:52px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:rgba(255,255,255,.04);cursor:pointer}.pairwise-choice{background:rgba(182,201,193,.2)}.readiness-card{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}.readiness-card .wordmark{margin-bottom:10px}.readiness-card h2{margin-bottom:8px}.readiness-card p,.research-note{margin:0;color:var(--muted);font-size:.85rem}.readiness-card>strong{font:500 2rem 'DM Mono',monospace}
:root{--bg:#101315;--surface:rgba(27,33,35,.68);--ink:#edf0ef;--muted:#9ea8a8;--line:rgba(215,227,224,.12);--accent:#b6c9c1;--accent-ink:#13201d;--shadow:0 24px 70px rgba(0,0,0,.3)}*{box-sizing:border-box}body{min-width:320px;margin:0;min-height:100vh;overflow-x:hidden;color:var(--ink);font-family:Manrope,sans-serif;background:radial-gradient(ellipse 85% 55% at 5% -10%,rgba(84,111,105,.2),transparent 65%),radial-gradient(ellipse 70% 55% at 96% 105%,rgba(66,82,91,.24),transparent 68%),var(--bg)}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.atmosphere{position:fixed;inset:0;pointer-events:none;opacity:.7;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}.page-shell{position:relative;width:min(1120px,calc(100% - 40px));min-height:100vh;margin:auto;padding:clamp(28px,6vh,80px) 0}.wordmark{margin:0 0 22px;color:var(--muted);font:500 .69rem/1 'DM Mono',monospace;letter-spacing:.18em}h1,h2,p{margin-top:0}h1{font-size:clamp(2.1rem,5vw,4.6rem);letter-spacing:-.055em;line-height:1.02;font-weight:600}h2{font-size:1.1rem;font-weight:600;letter-spacing:-.025em}.onboarding{width:min(720px,100%);margin:auto}.onboarding-intro{margin-bottom:48px}.onboarding-intro h1{margin-bottom:16px}.onboarding-intro p:not(.wordmark){max-width:495px;color:var(--muted);line-height:1.7}.onboarding-form{display:grid;gap:18px;padding:clamp(20px,4vw,38px);background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.scale-field{display:grid;gap:12px}.field-heading,.scale-caption,.study-progress,.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:center}.field-heading{color:#cbd2d1;font-size:.86rem}.field-heading output{color:var(--muted);font:500 .75rem 'DM Mono',monospace}.number-scale,.rating-scale{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px}.number-scale button,.rate-btn{aspect-ratio:1;border:1px solid var(--line);border-radius:10px;color:#b5bfbd;background:rgba(255,255,255,.025);cursor:pointer;transition:transform .22s ease,border-color .22s ease,background .22s ease,color .22s ease}.number-scale button:hover,.rate-btn:hover{transform:translateY(-2px) scale(1.035);border-color:rgba(207,221,217,.42);background:rgba(207,221,217,.1)}.number-scale button[aria-pressed=true],.rate-btn.selected{color:var(--ink);border-color:rgba(207,221,217,.65);background:rgba(198,215,210,.23);box-shadow:inset 0 0 0 1px rgba(237,240,239,.12)}fieldset{min-width:0;margin:3px 0 0;padding:0;border:0}legend{padding:0 0 12px;color:#cbd2d1;font-size:.86rem}.device-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.device-card input{position:absolute;opacity:0;pointer-events:none}.device-card span{display:flex;min-height:58px;align-items:center;justify-content:center;padding:8px;color:var(--muted);text-align:center;font-size:.78rem;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025);cursor:pointer;transition:border-color .2s,background .2s,color .2s}.device-card input:checked+span{color:var(--ink);border-color:rgba(207,221,217,.58);background:rgba(198,215,210,.18)}.headphone-check{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.83rem;cursor:pointer}.headphone-check input{accent-color:#b6c9c1}.action-button,.text-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:0;cursor:pointer;transition:transform .2s ease,background .2s ease,opacity .2s ease}.action-button{min-height:52px;margin-top:6px;padding:0 20px;color:var(--accent-ink);font-weight:700;border-radius:14px;background:var(--accent)}.action-button:hover{transform:translateY(-2px);background:#cad9d3}.action-button:disabled{cursor:not-allowed;opacity:.35;transform:none}.action-button.small{min-height:42px;margin:0;font-size:.82rem}.text-button{padding:10px 2px;color:var(--muted);background:none;font-size:.83rem}.text-button:hover{color:var(--ink)}
.listening-stage{width:min(720px,100%);min-height:calc(100vh - clamp(56px,12vh,160px));margin:auto;display:flex;flex-direction:column;align-items:center;text-align:center}.study-progress{width:100%;color:var(--muted);font:500 .76rem 'DM Mono',monospace;letter-spacing:.04em}.progress-track{flex:1;max-width:180px;height:2px;overflow:hidden;background:rgba(255,255,255,.09);border-radius:99px}.progress-track i{display:block;height:100%;border-radius:inherit;background:#afc1bb;transition:width .4s ease}.sound-space{position:relative;width:min(62vw,420px);aspect-ratio:1;margin:clamp(40px,9vh,100px) auto 18px;display:grid;place-items:center}.sound-ring{position:absolute;inset:var(--ring-inset);border:1px solid rgba(193,212,206,.12);border-radius:50%}.ring-one{--ring-inset:0}.ring-two{--ring-inset:14%}.ring-three{--ring-inset:29%;border-color:rgba(193,212,206,.18);box-shadow:0 0 60px rgba(150,183,169,.07)}.sound-space:before{content:"";width:36%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 32%,#53625d,#27302f 68%);box-shadow:0 0 50px rgba(169,200,188,.13)}.listening-content{position:relative;z-index:1;display:grid;justify-items:center;margin-top:calc(-1 * min(62vw,420px) / 1.9)}.play-button{display:grid;width:110px;height:110px;place-items:center;border:1px solid rgba(220,232,227,.26);border-radius:50%;color:var(--ink);background:rgba(37,46,46,.86);box-shadow:0 12px 36px rgba(0,0,0,.32),inset 0 1px rgba(255,255,255,.1);cursor:pointer;transition:transform .25s ease,box-shadow .25s ease}.play-button:hover{transform:scale(1.045);box-shadow:0 15px 42px rgba(0,0,0,.4),0 0 0 8px rgba(192,213,205,.05)}.play-button:disabled{opacity:.45;cursor:not-allowed}.play-icon{width:0;height:0;margin-left:6px;border-top:12px solid transparent;border-bottom:12px solid transparent;border-left:18px solid currentColor}.listen-prompt{margin:24px 0 7px;color:#d2d8d6;font-size:.94rem}.play-limit{margin:0;color:#657071;font-size:.76rem}.listening-stage.is-playing .sound-ring{animation:breathe 4s ease-in-out infinite}.listening-stage.is-playing .ring-two{animation-delay:.35s}.listening-stage.is-playing .ring-three{animation-delay:.7s}.listening-stage.is-playing .play-button{animation:button-breathe 2.8s ease-in-out infinite}.rating-panel{width:100%;margin-top:auto;padding:26px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(16px);transition:opacity .35s ease,transform .35s ease}.rating-panel h1{margin-bottom:24px;font-size:clamp(1.35rem,3vw,1.8rem);letter-spacing:-.04em}.scale-caption{margin-bottom:10px;color:var(--muted);font-size:.73rem}.rating-scale{margin-bottom:20px}.rate-btn{font:500 .9rem 'DM Mono',monospace}.continue-button{width:100%;margin:0}.is-hidden{visibility:hidden;opacity:0;transform:translateY(12px);pointer-events:none}.is-transitioning{opacity:0;transform:translateY(-8px);transition:opacity .34s ease,transform .34s ease}
.completion-card{width:min(580px,100%);min-height:480px;margin:8vh auto 0;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.completion-orbit{width:108px;height:108px;margin-bottom:30px;border:1px solid rgba(200,218,212,.25);border-radius:50%;box-shadow:0 0 0 20px rgba(200,218,212,.035),0 0 0 42px rgba(200,218,212,.022)}.completion-card h1{margin-bottom:14px}.completion-card p:not(.wordmark){color:var(--muted)}.completion-detail{margin-top:10px;font-size:.82rem}.quiet-link{margin-top:28px;color:#ccd7d3;text-decoration:none;font-size:.85rem;border-bottom:1px solid rgba(204,215,211,.35)}.dashboard-shell{display:grid;gap:20px}.dashboard-header{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:16px}.dashboard-header h1{margin:0;font-size:clamp(2rem,4vw,3.2rem)}.toolbar{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stats-grid article,.data-card,.chart-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(16px);border-radius:20px}.stats-grid article{padding:22px}.stats-grid span{color:var(--muted);font-size:.78rem}.stats-grid strong{display:block;margin-top:9px;font:500 2rem 'DM Mono',monospace}.data-card{padding:24px}.section-heading{margin-bottom:16px}.section-heading h2{margin:0}.section-heading span{color:var(--muted);font-size:.76rem}.table-wrap{overflow-x:auto}table{width:100%;min-width:720px;border-collapse:collapse;font-size:.82rem}th{color:var(--muted);font-weight:500}th,td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line)}tbody tr:last-child td{border-bottom:0}.chart-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.chart-card{min-width:0;padding:10px;overflow:hidden}.chart-card>div{width:100%!important}.fade-in{animation:fade-in .45s ease both}.fade-in[data-delay="1"]{animation-delay:.1s}@keyframes fade-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes breathe{50%{transform:scale(1.055);opacity:.72}}@keyframes button-breathe{50%{transform:scale(1.035);box-shadow:0 15px 46px rgba(0,0,0,.4),0 0 0 11px rgba(192,213,205,.04)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:720px){.page-shell{width:min(100% - 24px,1120px);padding:28px 0}.onboarding-intro{margin-bottom:32px}.onboarding-form{padding:20px;border-radius:22px}.device-options{grid-template-columns:repeat(2,1fr)}.listening-stage{min-height:calc(100vh - 56px)}.sound-space{width:min(78vw,360px);margin-top:50px}.listening-content{margin-top:calc(-1 * min(78vw,360px) / 1.9)}.play-button{width:112px;height:112px}.rating-panel{padding:20px 14px;border-radius:20px}.number-scale,.rating-scale{gap:5px}.number-scale button,.rate-btn{border-radius:8px;font-size:.8rem}.dashboard-header{align-items:flex-start;flex-direction:column}.stats-grid,.chart-stack{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}