:root{
  --bg:#0b1020;--bg2:#0f1630;--surface:#131a33;--surface2:#1b2447;--line:#2a3566;
  --text:#eef1ff;--muted:#a9b1d6;--primary:#7c3aed;--primary2:#2563eb;--accent:#38bdf8;
  --danger:#e11d48;--ok:#22c55e;--warn:#f59e0b;--radius:16px;--shadow:0 10px 30px rgba(0,0,0,.35);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.cct{margin:0;font-family:var(--font);font-size:16px;line-height:1.55;color:var(--text);background:radial-gradient(1200px 600px at 80% -10%,rgba(124,58,237,.28),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(56,189,248,.16),transparent 55%),var(--bg);min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.cct-main{flex:1;padding:24px 0 40px}
.cct-main:focus{outline:none}
a{color:#93c5fd}
a:hover{color:#bfdbfe}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(1.6rem,4vw,2.2rem)}
h2{font-size:1.25rem}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.cct-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.cct-skip{position:absolute;left:-999px;top:8px;background:var(--surface2);color:var(--text);padding:8px 14px;border-radius:8px;z-index:100}
.cct-skip:focus{left:8px}
.cct-wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 16px}
.cct-narrow{max-width:520px}
.cct-center{text-align:center}
.cct-muted{color:var(--muted);font-size:.92rem}

/* Header */
.cct-header{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
.cct-header-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.cct-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--text);text-decoration:none;letter-spacing:.2px}
.cct-nav{display:flex;align-items:center;gap:6px}
.cct-nav>a:not(.cct-btn){color:var(--text);text-decoration:none;padding:8px 12px;border-radius:10px}
.cct-nav>a:not(.cct-btn):hover{background:var(--surface)}
.cct-inline{display:inline;margin:0}
.cct-navtoggle{display:none;background:var(--surface);border:1px solid var(--line);border-radius:10px;width:44px;height:44px;color:var(--text);cursor:pointer}
.cct-burger,.cct-burger::before,.cct-burger::after{display:block;width:20px;height:2px;background:var(--text);position:relative;margin:0 auto;content:""}
.cct-burger::before{position:absolute;top:-6px;left:0}
.cct-burger::after{position:absolute;top:6px;left:0}
@media(max-width:700px){
  .cct-navtoggle{display:block}
  .cct-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 16px 16px}
  .cct-nav.is-open{display:flex}
  .cct-nav .cct-btn{width:100%}
}

/* Buttons */
.cct-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 18px;min-height:44px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;color:var(--text);background:var(--surface2);transition:transform .08s,filter .15s,background .15s}
.cct-btn:hover{filter:brightness(1.12);color:var(--text)}
.cct-btn:active{transform:translateY(1px)}
.cct-btn[disabled],.cct-btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;filter:none;transform:none}
.cct-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 6px 20px rgba(88,80,236,.4)}
.cct-btn-primary:hover{color:#fff}
.cct-btn-ghost{background:transparent;border-color:var(--line)}
.cct-btn-danger{background:var(--danger);color:#fff}
.cct-btn-lg{padding:14px 26px;font-size:1.05rem;min-height:52px}
.cct-btn-sm{padding:6px 12px;min-height:36px;font-size:.9rem}
.cct-btn-block{width:100%}

/* Cards, forms */
.cct-card{background:linear-gradient(180deg,var(--surface),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:16px}
.cct-prose h2{margin-top:1.4em}
.cct-prose ul{padding-left:1.2em}
.cct-form{display:flex;flex-direction:column;gap:6px}
.cct-form label{font-weight:600;margin-top:8px}
.cct-form input[type=text],.cct-form input[type=email],.cct-form input[type=password],.cct-form select,.cct-form textarea,#cc-input{width:100%;background:#0c1330;color:var(--text);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;min-height:46px}
.cct-form textarea,#cc-input{resize:vertical}
.cct-form input::placeholder,.cct-form textarea::placeholder,#cc-input::placeholder{color:#7f89b8}
.cct-form input:focus,.cct-form select:focus,.cct-form textarea:focus,#cc-input:focus{border-color:var(--accent);outline:2px solid rgba(56,189,248,.45);outline-offset:0}
.cct-check{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important}
.cct-check input{margin-top:5px;width:18px;height:18px;accent-color:var(--primary)}
.cct-hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.cct-alert{background:rgba(225,29,72,.14);border:1px solid rgba(225,29,72,.6);color:#fecdd3;padding:10px 14px;border-radius:12px}
.cct-warn{background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.6);color:#fde68a;padding:10px 14px;border-radius:12px}
.cct-ok{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.6);color:#bbf7d0;padding:10px 14px;border-radius:12px}
.cct-banner{background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.45);padding:10px 14px;border-radius:12px;margin:10px 0}
.cct-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.cct-avatar{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;flex:none;overflow:hidden}
.cct-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.cct-avatar-lg{width:84px;height:84px;font-size:2rem}

/* Footer */
.cct-footer{border-top:1px solid var(--line);color:var(--muted);padding:20px 0 calc(20px + env(safe-area-inset-bottom));font-size:.9rem}
.cct-footer p{margin:0 0 6px}

/* Dialog */
.cct-dialog{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:var(--radius);padding:22px;max-width:min(440px,92vw);width:100%}
.cct-dialog::backdrop{background:rgba(5,8,20,.7)}

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