/* Tetris Design System — Collabruti — tokens from DESIGN.md */
:root{
  --primary:#1C202B;
  --secondary:#7107E7;
  --success:#16A34A;
  --warning:#D97706;
  --danger:#DC2626;
  --surface:#DFE7FF;
  --text:#1C398E;
  --neutral:#DFE7FF;
  --radius-sm:4px;
  --radius-md:8px;
  --gap-xs:4px;
  --gap-sm:8px;
  --gap-md:12px;
  --gap-lg:16px;
  --gap-xl:24px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100vh;background:var(--primary);color:var(--surface);font-family:system-ui,sans-serif}
body{background:
  linear-gradient(transparent 95%, rgba(113,7,231,.08) 95%),
  linear-gradient(90deg, transparent 95%, rgba(113,7,231,.08) 95%),
  var(--primary);
  background-size:24px 24px;
}
/* topbar - block */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--primary);border-bottom:3px solid var(--secondary);position:sticky;top:0;z-index:10;gap:8px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-family:Bangers, system-ui; font-size:1.6rem; letter-spacing:.04em; color:var(--surface)}
.brand span:last-of-type{font-family:JetBrains Mono; font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; background:var(--surface); color:var(--text); border:3px solid var(--text); border-radius:4px; padding:4px 8px}
.tunnel-box{display:flex;align-items:center;gap:8px;background:var(--surface);border:3px solid var(--text);border-radius:8px;padding:6px 8px;min-width:340px;box-shadow:4px 4px 0 var(--primary)}
.tunnel-box input{flex:1;background:transparent;border:0;color:var(--text);outline:none;font-family:JetBrains Mono;font-size:12px;font-weight:700}
.tunnel-box button{width:32px;height:32px;display:grid;place-items:center;background:var(--secondary);border:3px solid var(--text);border-radius:4px;cursor:pointer}
.tunnel-box button:active{transform:translate(1px,1px)}
.dot{width:10px;height:10px;border-radius:50%;background:#475569;border:2px solid var(--text)}
.dot.ok{background:var(--success);box-shadow:0 0 0 3px rgba(22,163,74,.25)}
/* config strip */
.config-strip{display:flex;gap:8px;padding:8px 12px;background:var(--primary);border-bottom:3px solid var(--text);flex-wrap:wrap}
.cfg{display:flex;align-items:center;gap:8px;background:var(--surface);border:3px solid var(--text);border-radius:8px;padding:6px 8px;box-shadow:4px 4px 0 var(--primary)}
.cfg input{background:transparent;border:0;color:var(--text);outline:none;min-width:240px;font-family:JetBrains Mono;font-size:12px;font-weight:700}
.cfg input::placeholder{color:var(--text);opacity:.5}
/* grid */
.grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:12px}
@media(max-width:1100px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:3px solid var(--text);border-radius:8px;padding:12px;box-shadow:4px 4px 0 var(--primary);color:var(--text)}
.card h3{margin:0 0 8px 0;font-family:Bangers;font-size:1.15rem;letter-spacing:.02em;color:var(--text);display:flex;align-items:center;gap:8px}
.card label{font-family:JetBrains Mono;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text);opacity:.9}
.dropzone{border:3px dashed rgba(28,57,142,.45);border-radius:8px;padding:18px;text-align:center;cursor:pointer;background:white;transition:.15s}
.dropzone.dragover{border-style:solid;border-color:var(--secondary);background:rgba(113,7,231,.08)}
.dropzone p{margin:8px 0 2px 0;font-family:Bangers;font-size:1rem;color:var(--text)}
.dropzone span{font-family:JetBrains Mono;font-size:11px;color:var(--text);opacity:.7}
.log.mini{margin-top:8px;font-family:JetBrains Mono;font-size:11px;color:var(--text);min-height:18px;opacity:.9}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{appearance:none;border:3px solid var(--text);background:var(--surface);color:var(--text);padding:8px 12px;border-radius:8px;font-family:Bangers;font-size:.85rem;letter-spacing:.03em;cursor:pointer;display:inline-flex;align-items:center;gap:6px;box-shadow:3px 3px 0 var(--primary);transition:transform .08s, box-shadow .08s}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--primary)}
.btn:active{transform:translate(0,0);box-shadow:1px 1px 0 var(--primary)}
.btn:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.btn:disabled{opacity:.45;pointer-events:none}
.btn.primary{background:var(--secondary);color:var(--surface);border-color:var(--text)}
.btn.danger{background:var(--danger);color:var(--surface);border-color:var(--text)}
.btn.ghost{background:transparent}
.wordlist-box{margin-top:12px}
.wordlist-box input{flex:1;background:white;border:3px solid var(--text);border-radius:4px;padding:8px 10px;color:var(--text);font-family:JetBrains Mono;font-size:12px;font-weight:700}
.wordlist-box input:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.tabs{display:flex;gap:6px;margin-bottom:8px}
.tab{flex:1;padding:6px 8px;border:3px solid var(--text);border-radius:4px;background:white;color:var(--text);font-family:Bangers;font-size:.8rem;cursor:pointer}
.tab.active{background:var(--secondary);color:var(--surface);border-color:var(--text)}
.tab:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.file-list{max-height:260px;overflow:auto;border:3px solid var(--text);border-radius:8px;background:white;padding:6px;display:flex;flex-direction:column;gap:6px}
.file-row{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border:2px solid var(--text);border-radius:4px;padding:8px;font-family:Bangers;font-size:.85rem;color:var(--text)}
.file-row small{color:var(--text);font-family:JetBrains Mono;font-size:10px;opacity:.7}
.file-row a{color:var(--secondary);text-decoration:none;font-family:JetBrains Mono;font-weight:700;font-size:11px;border:2px solid var(--secondary);padding:2px 6px;border-radius:4px;background:white}
.file-row a:hover{background:var(--secondary);color:var(--surface)}
select{width:100%;background:white;border:3px solid var(--text);color:var(--text);padding:8px;border-radius:4px;font-family:JetBrains Mono;font-size:12px;font-weight:700}
select:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.status{margin-top:8px;font-family:JetBrains Mono;font-size:11px;color:var(--text);min-height:16px;opacity:.9}
.live-log{background:var(--primary);color:var(--surface);border:3px solid var(--text);border-radius:8px;padding:10px;font-family:JetBrains Mono;font-size:11px;min-height:140px;max-height:220px;overflow:auto;white-space:pre-wrap}
.footer{display:flex;justify-content:space-between;align-items:center;padding:12px;border-top:3px solid var(--text);font-family:JetBrains Mono;font-size:11px;color:var(--surface);flex-wrap:wrap;gap:8px;background:var(--primary)}
.footer a{color:var(--surface);text-decoration:underline;text-underline-offset:3px}
.muted{opacity:.7}
.hint{font-family:JetBrains Mono;font-size:11px;color:var(--text);opacity:.6}
/* tetris accent blocks */
.card::after{content:"";display:block;height:4px;margin:8px -12px -12px -12px;border-radius:0 0 5px 5px}
.card:nth-child(1)::after{background:var(--secondary)}
.card:nth-child(2)::after{background:var(--success)}
.card:nth-child(3)::after{background:var(--warning)}
@media(prefers-reduced-motion:reduce){.btn:hover{transform:none}}