/* ===== TOPEMB Canvas — vizuální systém ===== */
:root{
  --ink:#191823;
  --paper:#f4f5f7;
  --card:#ffffff;
  --violet:#5a4a8f;
  --violet-700:#493a76;
  --violet-deep:#100e17;
  --amber:#c98a1e;
  --amber-soft:#f5ead2;
  --muted:#86828f;
  --line:#e6e4ec;
  --ok:#1a7f4b;
  --err:#b3341f;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(25,24,35,.05), 0 12px 30px -18px rgba(25,24,35,.28);
  font-synthesis:none;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
h1,h2,h3{font-family:"Bricolage Grotesque","Inter",sans-serif;font-weight:700;line-height:1.1;letter-spacing:-.01em;margin:0}
p{margin:0}
a{color:var(--violet);text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:560px;margin:0 auto;padding:24px 20px 40px}
.center-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center}
.muted{color:var(--muted)}

/* ---- Karty ---- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px;
}

/* ---- Tlačítka ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:600;
  padding:12px 20px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;transition:transform .06s ease, background .15s ease;
  text-decoration:none;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--violet);color:#fff}
.btn-primary:hover{background:var(--violet-700)}
.btn-ghost{background:transparent;color:var(--violet);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--violet)}
.btn-block{width:100%}
.btn-lg{padding:15px 22px;font-size:16px}

/* ---- Formuláře ---- */
.field{margin-bottom:22px}
.field-row{display:flex;gap:14px}
.field-row .field{flex:1}
.field-label{display:block;font-weight:600;font-size:14px;margin-bottom:8px}
.input{
  width:100%;font-family:inherit;font-size:16px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fbfbfd;transition:border .15s ease, box-shadow .15s ease;
}
.input:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(90,74,143,.15)}
.hint{font-size:13px;color:var(--muted);margin-top:7px}
.form-error{color:var(--err);font-size:14px;margin:6px 0}

.banner{padding:12px 15px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px;
  background:#f0eef4;border:1px solid var(--line)}
.banner.success{background:#e8f6ee;border-color:#bfe6cf;color:var(--ok)}
.banner.error{background:#fdeceb;border-color:#f3c9c2;color:var(--err)}

/* ---- Footer ---- */
.site-foot{max-width:560px;margin:0 auto;padding:8px 20px 32px;text-align:center}
.lang-switch{display:flex;gap:6px;justify-content:center;margin-bottom:12px}
.lang-switch a{font-size:12px;font-weight:600;color:var(--muted);padding:5px 10px;border-radius:20px;border:1px solid var(--line)}
.lang-switch a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.powered{font-size:12px;color:var(--muted);letter-spacing:.02em}

/* ---- Message ---- */
.message-card{text-align:center;max-width:420px}
.msg-mark{font-size:26px;color:var(--amber);margin-bottom:10px}
.message-card h1{font-size:22px;margin-bottom:8px}

/* ===== Home ===== */
.home{max-width:720px;margin:0 auto;padding:56px 22px 20px}
.hero{text-align:center;margin-bottom:52px}
.hero-mark{font-size:22px;color:var(--amber);margin-bottom:18px}
.hero-title{font-size:clamp(32px,7vw,48px);font-weight:800;letter-spacing:-.02em}
.hero-sub{font-size:17px;color:var(--muted);max-width:44ch;margin:16px auto 0}
.steps{display:grid;gap:16px;grid-template-columns:1fr}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step-num{width:32px;height:32px;border-radius:9px;background:var(--amber-soft);color:var(--amber);
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px}
.home-visual{display:flex;justify-content:center;margin:56px 0 20px}
.frame{width:180px;height:220px;background:var(--violet-deep);border-radius:8px;
  padding:14px;box-shadow:0 30px 60px -30px rgba(16,14,23,.6);position:relative}
.frame-inner{width:100%;height:100%;border:1px solid rgba(255,255,255,.12);border-radius:4px;
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:14px;
  background:radial-gradient(120% 80% at 50% 20%, rgba(201,138,30,.25), transparent 60%)}
.chip{font-size:11px;font-weight:700;letter-spacing:.15em;color:#fff;opacity:.7;
  border:1px solid rgba(255,255,255,.25);padding:4px 8px;border-radius:6px}

@media(min-width:640px){ .steps{grid-template-columns:repeat(3,1fr)} }

/* ===== Setup ===== */
.setup-head{text-align:center;margin-bottom:24px;position:relative}
.brand-dot{font-size:20px;color:var(--amber);margin-bottom:10px}
.setup-head h1{font-size:26px}
.setup-head .muted{margin-top:8px;font-size:15px}
.plan-chip{display:inline-block;margin-top:14px;font-size:11px;font-weight:700;letter-spacing:.12em;
  padding:5px 12px;border-radius:20px}
.plan-chip.free{background:#eceaf2;color:var(--violet)}
.plan-chip.premium{background:var(--amber-soft);color:var(--amber)}

.mode-toggle{display:flex;gap:10px}
.mode-opt{flex:1;border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px;cursor:pointer;
  display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px;background:#fbfbfd;transition:.15s}
.mode-opt input{accent-color:var(--violet)}
.mode-opt:has(input:checked){border-color:var(--violet);background:#f3f1f8}
.mode-opt.locked{opacity:.65;cursor:not-allowed}
.lock-note{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;color:var(--amber)}

.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.photo-thumb{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid transparent}
.photo-thumb img{width:100%;height:100%;object-fit:cover}
.photo-thumb input{position:absolute;opacity:0}
.photo-thumb .rm{position:absolute;top:5px;right:5px;width:22px;height:22px;border-radius:50%;
  background:rgba(16,14,23,.55);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;opacity:0;transition:.15s}
.photo-thumb:hover .rm{opacity:1}
.photo-thumb:has(input:checked){border-color:var(--err);opacity:.5}
.photo-thumb:has(input:checked) .rm{opacity:1;background:var(--err)}
.photo-add{display:flex;flex-direction:column;gap:12px}
.photo-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.photo-preview img{aspect-ratio:1;object-fit:cover;border-radius:10px}
.video-field .input{margin-bottom:6px}

/* ---- PIN ---- */
.pin-card{max-width:340px;text-align:center}
.pin-card h1{font-size:20px;margin-bottom:16px}
.pin-input{text-align:center;letter-spacing:.4em;font-size:22px;margin-bottom:16px}

/* ===== Upgrade ===== */
.upgrade-body{background:linear-gradient(180deg,#f4f5f7,#efedf3)}
.upgrade-card{max-width:400px;text-align:center}
.up-badge{display:inline-block;background:var(--amber-soft);color:var(--amber);font-size:11px;font-weight:700;
  letter-spacing:.14em;padding:6px 14px;border-radius:20px;margin-bottom:14px}
.upgrade-card h1{font-size:24px}
.up-price{font-family:"Bricolage Grotesque";font-size:52px;font-weight:800;color:var(--ink);margin:14px 0 2px;letter-spacing:-.02em}
.up-lifetime{color:var(--muted);font-size:14px;margin-bottom:22px}
.up-features{list-style:none;padding:0;margin:0 0 24px;text-align:left;display:grid;gap:12px}
.up-features li{position:relative;padding-left:30px;font-size:15px}
.up-features li::before{content:"◆";position:absolute;left:6px;top:1px;color:var(--amber);font-size:12px}
.demo-note{font-size:13px;color:var(--muted);background:#f0eef4;padding:10px 12px;border-radius:10px;margin-bottom:16px}
.back-link{display:inline-block;margin-top:18px;color:var(--muted);font-size:14px}

/* ===== Player ===== */
.player-body{background:var(--violet-deep);overflow:hidden}
.player{position:fixed;inset:0;background:var(--violet-deep)}

.stage{position:absolute;inset:0;opacity:0;transition:opacity .6s ease}
.stage.on{opacity:1}
.stage .slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.2s ease;will-change:transform,opacity}
.stage .slide.show{opacity:1;animation:kenburns 12s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.12)}}

.video-layer{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000}
.video-layer[hidden]{display:none}
.video-layer video,.video-layer iframe{width:100%;height:100%;object-fit:contain;border:0}

.yt-audio{position:absolute;width:1px;height:1px;left:-9999px;top:-9999px;opacity:0;pointer-events:none}

.stage-caption{position:absolute;left:0;right:0;bottom:calc(env(safe-area-inset-bottom,0) + 34px);
  text-align:center;color:#fff;font-family:"Bricolage Grotesque";font-size:22px;font-weight:700;
  text-shadow:0 2px 20px rgba(0,0,0,.6);padding:0 24px;opacity:0;transition:opacity .8s ease .4s}
.stage-caption.on{opacity:1}

/* Reveal */
.reveal{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 35%, rgba(35,32,58,.5), rgba(16,14,23,.8) 72%);transition:opacity .7s ease}
.reveal.gone{opacity:0;pointer-events:none}
.reveal-inner{text-align:center;padding:24px}
.reveal-mark{font-size:26px;color:var(--amber);margin-bottom:20px;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.12)}}
.reveal-title{color:#fff;font-size:26px;margin-bottom:26px;letter-spacing:-.01em}
.reveal-btn{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28);
  font-family:inherit;font-size:16px;font-weight:600;padding:14px 30px;border-radius:40px;cursor:pointer;
  backdrop-filter:blur(6px);transition:.2s}
.reveal-btn:hover{background:rgba(255,255,255,.16)}

/* Controls */
.player-controls{position:absolute;z-index:6;right:calc(env(safe-area-inset-right,0) + 16px);
  bottom:calc(env(safe-area-inset-bottom,0) + 16px);display:flex;gap:10px}
.ctrl{width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  background:rgba(16,14,23,.4);color:#fff;font-size:15px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;backdrop-filter:blur(8px);text-decoration:none;transition:.2s}
.ctrl:hover{background:rgba(16,14,23,.65)}
.gear{font-size:18px}

@media (prefers-reduced-motion:reduce){
  .stage .slide.show{animation:none}
  .reveal-mark{animation:none}
}