:root{
  --bg:#0d1017;
  --bg-2:#111624;
  --panel:#161b2b;
  --panel-2:#1c2336;
  --line:#26304a;
  --ink:#e7ebf3;
  --muted:#8b94ac;
  --gold:#e8b04b;
  --gold-soft:#f2c877;
  --blue:#5b8def;
  --green:#4fd1a5;
  --red:#f0616d;
  --radius:16px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100dvh;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:24px 16px;gap:18px;
  position:relative;overflow-x:hidden;
}

/* ambient backdrop */
.aurora{
  position:fixed;inset:-30% -10% auto -10%;height:70vh;z-index:0;pointer-events:none;
  background:
    radial-gradient(40% 55% at 20% 30%, rgba(232,176,75,.16), transparent 70%),
    radial-gradient(45% 50% at 82% 20%, rgba(91,141,239,.14), transparent 70%);
  filter:blur(8px);
}

.stage{position:relative;z-index:1;width:100%;max-width:520px}

.panel{width:100%}
.hidden{display:none !important}

/* ---------- gate / blocked ---------- */
.gate{display:flex;flex-direction:column;align-items:center;gap:18px;padding:60px 20px;text-align:center}
.gate-text{color:var(--muted);font-size:15px;margin:0}
.spinner{
  width:44px;height:44px;border-radius:50%;
  border:3px solid var(--line);border-top-color:var(--gold);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.turnstile-box{margin-top:8px;min-height:65px;display:flex;justify-content:center}

.blocked{
  text-align:center;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:40px 28px;box-shadow:var(--shadow);
}
.blocked h1{font-family:"Space Grotesk",sans-serif;font-size:23px;margin:18px 0 10px}
.blocked p{margin:0 auto 22px;max-width:38ch;line-height:1.6}

.lock-badge{
  width:72px;height:72px;border-radius:20px;margin:0 auto;
  display:grid;place-items:center;
}
.lock-badge.danger{color:var(--red);background:rgba(240,97,109,.12);border:1px solid rgba(240,97,109,.3)}
.lock-badge.success{color:var(--green);background:rgba(79,209,165,.12);border:1px solid rgba(79,209,165,.3)}

/* ---------- app shell ---------- */
.app{
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.app-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.brand{
  display:flex;align-items:center;gap:9px;
  font-family:"Space Grotesk",sans-serif;font-weight:700;letter-spacing:.14em;font-size:14px;
}
.key-mark{color:var(--gold);display:grid;place-items:center}
.stock{font-size:12.5px;color:var(--muted)}
.stock b{color:var(--gold-soft);font-family:"Space Mono",monospace}

/* ---------- tumblers (progress) ---------- */
.tumblers{display:flex;gap:8px;margin-bottom:22px}
.tumbler{
  flex:1;height:8px;border-radius:99px;background:var(--panel-2);
  position:relative;overflow:hidden;border:1px solid var(--line);
}
.tumbler::after{
  content:"";position:absolute;inset:0;width:0;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transition:width .5s cubic-bezier(.2,.8,.2,1);
}
.tumbler.done::after{width:100%}
.tumbler.active{border-color:var(--gold)}
.tumbler.active::after{width:35%;opacity:.55;animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:.7}}

/* ---------- cards ---------- */
.card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:14px;
  padding:26px 22px;text-align:center;
}
.cp-eyebrow{
  font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.16em;
  color:var(--gold);margin-bottom:10px;
}
.card h2{font-family:"Space Grotesk",sans-serif;font-size:22px;margin:0 0 8px}
.muted{color:var(--muted)}
.card p{margin:0 auto;max-width:34ch;line-height:1.6;font-size:14.5px}

/* ---------- buttons ---------- */
.btn{
  appearance:none;border:0;cursor:pointer;border-radius:12px;
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:15px;
  padding:14px 22px;margin-top:20px;width:100%;
  transition:transform .12s ease,filter .2s ease,opacity .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{color:#241a05;background:linear-gradient(180deg,var(--gold-soft),var(--gold));box-shadow:0 8px 24px -8px rgba(232,176,75,.6)}
.btn-primary:hover:not(:disabled){filter:brightness(1.05)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn:focus-visible{outline:2px solid var(--gold-soft);outline-offset:2px}

/* ---------- verify ring ---------- */
.verify{display:flex;flex-direction:column;align-items:center;gap:6px}
.ring{position:relative;width:120px;height:120px;margin:8px auto 4px}
.ring svg{transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:8;stroke-linecap:round}
.ring-bg{stroke:var(--panel)}
.ring-fg{stroke:var(--gold);stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset 1s linear}
.ring-num{
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:"Space Mono",monospace;font-size:30px;color:var(--gold-soft);
}
.hint{font-size:12.5px;margin-top:2px !important}

/* ---------- program picker ---------- */
.program-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.program-btn{
  display:flex;flex-direction:column;align-items:flex-start;gap:3px;
  width:100%;text-align:left;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;color:var(--ink);
  font-family:"Space Grotesk",sans-serif;
  transition:border-color .2s ease,transform .12s ease,background .2s ease;
}
.program-btn:hover:not(:disabled){border-color:var(--gold);background:var(--panel-2);transform:translateY(-1px)}
.program-btn:active:not(:disabled){transform:translateY(0)}
.program-btn:focus-visible{outline:2px solid var(--gold-soft);outline-offset:2px}
.program-btn.out{opacity:.45;cursor:not-allowed}
.program-btn .p-name{font-weight:600;font-size:16px}
.program-btn .p-desc{font-size:13px;color:var(--muted);font-family:"Inter",sans-serif}
.program-btn .p-meta{font-size:12px;color:var(--gold-soft);font-family:"Space Mono",monospace}

/* ---------- key reveal ---------- */
.key-card h2{margin-top:14px}
.key-box{
  display:flex;align-items:center;gap:10px;margin:18px auto 0;max-width:100%;
  background:var(--bg);border:1px dashed var(--gold);border-radius:12px;padding:12px 14px;
}
.key-box code{
  flex:1;font-family:"Space Mono",monospace;font-size:15px;color:var(--gold-soft);
  word-break:break-all;text-align:left;
}
.btn-copy{margin-top:0;width:auto;flex:0 0 auto;padding:10px 16px;font-size:13px}
.copied{color:var(--green);font-size:13px;margin-top:12px;font-family:"Space Mono",monospace}

/* ---------- misc ---------- */
.error{color:var(--red);font-size:13.5px;margin-top:16px}
.ad-slot{position:relative;z-index:1;width:100%;max-width:520px;margin:2px auto 0;text-align:center;min-height:8px}
.foot{position:relative;z-index:1;font-size:12px;text-align:center;max-width:40ch}

@media (max-width:480px){
  .app{padding:18px}
  .card{padding:22px 16px}
  .brand{font-size:12.5px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}