/* ============================================================
   SoundVisualiser — shared premium design system
   Used by landing.html, app.html and share pages.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=Space+Mono&display=swap');

:root{
  --bg:#08060E; --bg2:#0E0A18;
  --text:#F4F1FA; --muted:#9A93AD; --faint:#6B6480;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --surface:rgba(22,18,33,.55); --surface2:rgba(30,24,46,.72);
  --amber:#F5B642; --pink:#FF4D8D; --violet:#8B5CFF; --cyan:#38E1FF; --ok:#46E0A8; --danger:#FF8BA3;
  --grad:linear-gradient(120deg,#FFD98A,#F5B642 28%,#FF4D8D 62%,#8B5CFF);
  --grad-soft:linear-gradient(120deg,rgba(245,182,66,.16),rgba(255,77,141,.14),rgba(139,92,255,.16));
  --r:14px; --r-lg:20px; --r-xl:26px;
  --shadow:0 30px 70px -34px rgba(0,0,0,.85);
  --shadow-glow:0 16px 40px -16px rgba(245,182,66,.55);
  --ring:0 0 0 1px var(--line2);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--text);font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:
    radial-gradient(1200px 760px at 82% -12%,rgba(139,92,255,.20),transparent 58%),
    radial-gradient(1000px 680px at 2% 6%,rgba(245,182,66,.10),transparent 55%),
    radial-gradient(900px 700px at 110% 60%,rgba(255,77,141,.10),transparent 55%),
    linear-gradient(180deg,var(--bg2),var(--bg));
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(245,182,66,.3)}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:10px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2);background-clip:content-box}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;margin:0}
.display{font-weight:700;font-size:clamp(34px,5.2vw,60px);line-height:1.03}
h2{font-size:clamp(26px,3.3vw,36px)}
h3{font-size:17px}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{display:block;text-align:center;color:var(--amber);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:12px;font-weight:600}
.lead{text-align:center;color:var(--muted);max-width:660px;margin:0 auto 34px;font-size:16.5px;line-height:1.65}
.muted{color:var(--muted)}.faint{color:var(--faint)}.err{color:var(--danger);font-size:13px}

/* ---------- brand / logo ---------- */
.brand{display:flex;align-items:center;gap:11px;font-family:'Space Grotesk';font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:15px}
.brand b{color:var(--amber)}
.logo{display:flex;gap:3px;align-items:flex-end;height:20px}
.logo span{width:3px;border-radius:3px;background:linear-gradient(180deg,#FFE3A6,var(--amber));transition:height .12s ease}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border:none;border-radius:12px;
  font-weight:600;font-size:14px;font-family:inherit;cursor:pointer;line-height:1;white-space:nowrap;
  background:var(--grad);color:#231400;box-shadow:var(--shadow-glow);transition:transform .14s ease,box-shadow .14s ease,opacity .14s}
.btn:hover{transform:translateY(-1px);box-shadow:0 20px 46px -16px rgba(245,182,66,.7)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn.ghost{background:var(--surface2);color:var(--text);box-shadow:none;border:1px solid var(--line2);backdrop-filter:blur(6px)}
.btn.ghost:hover{border-color:rgba(255,255,255,.28);background:rgba(40,32,58,.85)}
.btn.lg{padding:15px 26px;font-size:16px;border-radius:14px}
.btn.sm{padding:8px 13px;font-size:13px;border-radius:10px}
.btn.block{width:100%}

.pill{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:6px 12px;border-radius:30px;background:rgba(0,0,0,.2)}
.tag{display:inline-block;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);border:1px solid var(--line2);border-radius:20px;padding:3px 9px;font-weight:600}

/* ---------- header / nav ---------- */
header{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);background:rgba(8,6,14,.66);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;height:64px}
.nav .links{display:flex;gap:24px;margin-left:20px}
.nav .links a{font-size:14px;color:var(--muted);font-weight:500;transition:color .14s}
.nav .links a:hover{color:var(--text)}
.grow{flex:1}

/* ---------- cards / surfaces ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;backdrop-filter:blur(10px)}
.glass{background:var(--surface);border:1px solid var(--line);backdrop-filter:blur(10px)}

/* ---------- forms ---------- */
label{display:block;font-size:12px;color:var(--muted);margin:13px 0 6px;font-weight:500}
input[type=text],input[type=email],input[type=password],select,textarea{
  width:100%;padding:11px 13px;border-radius:12px;border:1px solid var(--line2);background:rgba(0,0,0,.3);
  color:var(--text);font-size:14px;outline:none;font-family:inherit;transition:border-color .14s,box-shadow .14s}
textarea{resize:vertical;min-height:42px}
input:focus,select:focus,textarea:focus{border-color:rgba(245,182,66,.6);box-shadow:0 0 0 3px rgba(245,182,66,.12)}
.row{display:flex;gap:11px}.row>div{flex:1}
.file{display:flex;align-items:center;gap:8px;padding:13px;border:1.5px dashed var(--line2);border-radius:12px;background:rgba(0,0,0,.22);cursor:pointer;font-size:12.5px;color:var(--muted);transition:border-color .14s,color .14s}
.file:hover{border-color:rgba(245,182,66,.5)}
.file.ok{border-color:var(--ok);color:var(--text)}
.file input{display:none}
input[type=range]{width:100%;accent-color:var(--amber)}
input[type=color]{width:38px;height:32px;border:1px solid var(--line2);border-radius:8px;background:none;padding:0;cursor:pointer}
.rangeval{font-family:'Space Mono';font-size:11px;color:var(--amber);float:right}

/* ---------- sections ---------- */
section{padding:58px 0;scroll-margin-top:74px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--amber);border:1px solid var(--line2);padding:7px 13px;border-radius:30px;margin-bottom:20px;background:rgba(0,0,0,.25)}

/* ---------- landing: hero ---------- */
.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:42px;align-items:center;padding:74px 0 44px}
.hero .sub{font-size:17.5px;color:var(--muted);line-height:1.62;max-width:540px;margin:18px 0 26px}
.cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.trust{margin-top:18px;font-size:12.5px;color:var(--muted)}.trust b{color:var(--text)}
.heroCard{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line2);background:#000;box-shadow:var(--shadow);transform:perspective(1200px) rotateY(-4deg) rotateX(2deg)}
.heroCard canvas{display:block;width:100%;height:auto}
.heroBadge{position:absolute;left:13px;top:13px;font-family:'Space Mono';font-size:11px;color:var(--muted);background:rgba(0,0,0,.55);border:1px solid var(--line2);padding:5px 10px;border-radius:8px;backdrop-filter:blur(4px)}
.heroGlow{position:absolute;inset:-30% -10% auto;height:60%;background:radial-gradient(closest-side,rgba(245,182,66,.25),transparent);filter:blur(40px);pointer-events:none}

/* ---------- landing: templates gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(212px,1fr));gap:15px}
.tile{position:relative;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#000;cursor:pointer;transition:transform .16s,border-color .16s,box-shadow .16s}
.tile:hover{transform:translateY(-4px);border-color:rgba(245,182,66,.55);box-shadow:0 24px 50px -26px rgba(0,0,0,.9)}
.tile canvas{display:block;width:100%;aspect-ratio:16/9}
.tile .nm{position:absolute;left:0;right:0;bottom:0;padding:9px 11px;font-size:12.5px;font-weight:600;background:linear-gradient(0deg,rgba(0,0,0,.82),transparent)}
.tile .try{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .16s;background:rgba(8,6,14,.45)}
.tile:hover .try{opacity:1}
.galWrap{position:relative;max-height:660px;overflow:hidden}
.galWrap.open{max-height:none}
.galWrap .fade{position:absolute;left:0;right:0;bottom:0;height:140px;background:linear-gradient(0deg,var(--bg),transparent);pointer-events:none}
.galWrap.open .fade{display:none}
.center{text-align:center;margin-top:24px}

/* ---------- feed ---------- */
.feed{display:grid;grid-template-columns:repeat(auto-fill,minmax(224px,1fr));gap:15px}
.fcard{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);cursor:pointer;transition:transform .16s,border-color .16s}
.fcard:hover{transform:translateY(-4px);border-color:var(--line2)}
.fcard .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:#16111f;display:block}
.fcard .fmeta{padding:11px 13px}.fcard h4{margin:0 0 2px;font-size:14px}.fcard .fa{font-size:12px;color:var(--muted)}
.empty{text-align:center;border:1px dashed var(--line2);border-radius:var(--r-lg);padding:42px 22px;color:var(--muted)}

/* ---------- features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(10px);transition:transform .16s,border-color .16s}
.feat:hover{transform:translateY(-3px);border-color:var(--line2)}
.feat .ic{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:21px;background:var(--grad-soft);border:1px solid var(--line);margin-bottom:15px}
.feat h3{font-size:17px;margin-bottom:7px}.feat p{margin:0;color:var(--muted);font-size:14px;line-height:1.56}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:16px;right:20px;font-family:'Space Grotesk';font-weight:700;font-size:32px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.7}
.step h3{font-size:17px;margin-bottom:7px}.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.plan{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;position:relative;backdrop-filter:blur(10px)}
.plan.pop{border-color:rgba(245,182,66,.6);box-shadow:0 0 0 1px rgba(245,182,66,.5),0 30px 60px -30px rgba(245,182,66,.4)}
.plan.cur{border-color:var(--amber)}
.plan .pname{font-size:14px;color:var(--muted);font-weight:600}
.plan .price{font-family:'Space Grotesk';font-weight:700;font-size:36px;margin:8px 0 2px}
.plan .price small{font-size:14px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:16px 0;flex:1}
.plan li{font-size:13px;color:var(--muted);padding:7px 0;border-bottom:1px solid rgba(255,255,255,.05);display:flex;gap:8px}
.plan li b{color:var(--text);font-weight:600}
.popTag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#231400;font-size:11px;font-weight:700;padding:5px 13px;border-radius:20px;box-shadow:var(--shadow-glow)}

/* ---------- faq ---------- */
.faq{max-width:780px;margin:0 auto}
details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-bottom:11px;backdrop-filter:blur(10px)}
summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary:after{content:'+';color:var(--amber);font-size:20px;font-weight:400}
details[open] summary:after{content:'–'}
details p{color:var(--muted);font-size:14px;line-height:1.62;margin:11px 0 0}

/* ---------- CTA band + footer ---------- */
.band{text-align:center;background:var(--grad-soft);border:1px solid var(--line2);border-radius:var(--r-xl);padding:48px 24px;margin:14px 0;backdrop-filter:blur(10px)}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px;margin-top:20px}
.foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.foot a{color:var(--muted)}.foot a:hover{color:var(--text)}

/* ============================================================
   Dashboard (app.html)
   ============================================================ */
.wrap{display:grid;grid-template-columns:224px 1fr;min-height:calc(100vh - 64px)}
.side{padding:18px 14px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:4px;position:sticky;top:64px;height:calc(100vh - 64px)}
.side button{display:flex;gap:11px;align-items:center;padding:11px 13px;border:none;background:none;color:var(--muted);font-family:inherit;font-size:14px;font-weight:500;border-radius:11px;cursor:pointer;text-align:left;transition:background .14s,color .14s}
.side button.on,.side button:hover{background:var(--surface2);color:var(--text)}
.side .sp{flex:1}
main.app{padding:26px 30px;overflow-y:auto;max-height:calc(100vh - 64px)}
main.app h2{font-size:22px;margin-bottom:4px}
main.app>section>.muted,main.app>section>p{font-size:13.5px;margin-top:0}
.view{display:none;animation:fade .25s ease}
.view.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.h2row{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.h2row h2{font-size:24px}

.studio{display:grid;grid-template-columns:344px 1fr;gap:24px;align-items:start}
.previewbox{position:relative;width:100%;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line2);background:#000;box-shadow:var(--shadow)}
.previewbox.v{max-width:368px;margin:0 auto}.previewbox.s{max-width:560px;margin:0 auto}
.previewbox canvas{display:block;width:100%;height:auto}
.transport{display:flex;align-items:center;gap:13px;margin-top:14px}
.play{width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);background:var(--surface2);color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none}
.play:hover{border-color:rgba(245,182,66,.5)}
.play svg{width:16px;height:16px}
.scrub{flex:1;height:6px;border-radius:6px;background:rgba(255,255,255,.12);cursor:pointer;position:relative}
.scrub i{position:absolute;left:0;top:0;bottom:0;border-radius:6px;background:var(--grad);width:0}
.time{font-family:'Space Mono';font-size:11px;color:var(--muted);min-width:84px;text-align:right}
.bar{height:8px;border-radius:8px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .3s}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:16px}
.clip{padding:0;overflow:hidden}
.clip video,.clip .ph{width:100%;border-radius:0;background:#000;aspect-ratio:16/9;object-fit:cover;display:block}
.clip .body{padding:14px}
.clip h4{margin:0 0 2px;font-size:14px}.clip .meta{font-size:11.5px;color:var(--muted)}
.clip .acts{display:flex;gap:6px;margin-top:11px;flex-wrap:wrap}

.swatches{display:flex;gap:8px;align-items:center;margin-top:8px}
.assets{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:11px}
.asset{position:relative;border:1px solid var(--line);border-radius:11px;overflow:hidden;aspect-ratio:1;background:#16111f}
.asset img{width:100%;height:100%;object-fit:cover}
.asset button{position:absolute;top:5px;right:5px;width:22px;height:22px;border-radius:50%;border:none;background:rgba(0,0,0,.65);color:#fff;cursor:pointer;font-size:12px;line-height:1}
.overlayrow{display:flex;gap:8px;align-items:center;margin-top:9px;font-size:12px;flex-wrap:wrap}
.chip{background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:8px;padding:6px 8px}
.upsell{font-size:11.5px;color:var(--amber);margin-top:4px}
details.adv summary{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- auth ---------- */
.authwrap{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 64px);padding:22px;
  background:radial-gradient(700px 480px at 50% -10%,rgba(139,92,255,.18),transparent 60%)}
.authcard{width:100%;max-width:400px}
.toggle{display:flex;gap:6px;margin-bottom:8px;background:rgba(0,0,0,.3);padding:5px;border-radius:12px}
.toggle button{flex:1;padding:9px;border:none;background:none;color:var(--muted);border-radius:9px;cursor:pointer;font-family:inherit;font-weight:600;font-size:13.5px;transition:background .14s,color .14s}
.toggle button.on{background:var(--surface2);color:var(--text)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;gap:28px;padding:48px 0 30px}
  .heroCard{transform:none}
  .features,.steps{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
  .wrap{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--line)}
  .side .sp{display:none}
  main.app{max-height:none}
  .studio{grid-template-columns:1fr}
}
@media(max-width:560px){.plans{grid-template-columns:1fr}.container{padding:0 16px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}