:root {
  --bg: #0f0f0e;
  --panel: #191917;
  --panel2: #20201d;
  --text: #f4f1ea;
  --muted: #a8a095;
  --line: rgba(255,255,255,.12);
  --accent: #ff8a2a;
  --ok: #97e6b1;
  --err: #ff9a8f;
  --radius: 22px;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(circle at 20% 0%, #22221f, var(--bg) 42%); color: var(--text); font-family: Helvetica, Arial, system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; }
button, input, textarea { font: inherit; }
.shell { width: min(980px, calc(100% - 28px)); margin: 0 auto; padding: 36px 0 64px; }
.hero { padding: 18px 0 26px; }
.eyebrow { color: var(--accent); letter-spacing: .16em; font-size: 12px; font-weight: 700; }
h1 { margin: 8px 0 8px; font-size: clamp(36px, 8vw, 76px); line-height: .94; letter-spacing: -.055em; }
.lead { max-width: 650px; margin: 0; color: var(--muted); line-height: 1.65; }
.panel, .note { background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.025)); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin: 18px 0; box-shadow: 0 24px 80px rgba(0,0,0,.24); }
.section-head { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; margin-bottom: 18px; }
.step { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 14px; color: var(--accent); background: rgba(255,138,42,.08); font-weight: 700; }
h2 { margin: 0 0 4px; font-size: 22px; letter-spacing: -.02em; }
h3 { margin: 0; font-size: 18px; }
p { margin: 0; color: var(--muted); line-height: 1.6; }
.field { display: grid; gap: 8px; margin: 14px 0; }
.field span { color: #d7d0c6; font-size: 13px; font-weight: 700; }
textarea, input[type="password"] { width: 100%; border: 1px solid var(--line); border-radius: 16px; background: rgba(0,0,0,.24); color: var(--text); padding: 14px 15px; outline: none; }
textarea:focus, input[type="password"]:focus { border-color: rgba(255,138,42,.6); box-shadow: 0 0 0 3px rgba(255,138,42,.12); }
textarea { resize: vertical; line-height: 1.5; }
.compact-field { max-width: 480px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 14px 0; }
button { border: 0; border-radius: 999px; padding: 11px 17px; cursor: pointer; transition: transform .12s ease, opacity .12s ease, background .12s ease; }
button:active { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: wait; }
.primary { background: var(--accent); color: #17120d; font-weight: 800; }
.ghost { background: rgba(255,255,255,.08); color: var(--text); border: 1px solid var(--line); }
.status { min-height: 22px; color: var(--muted); font-size: 13px; margin: 10px 0; white-space: pre-wrap; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.pattern-stage { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.pattern-stage-head { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; margin-bottom: 12px; }
.pattern-stage-head span { color: var(--muted); font-size: 13px; }
.pattern-list { display: grid; grid-template-columns: 1fr; gap: 18px; }
.pattern-list.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.pattern-list.empty { display: block; }
.empty-pattern { min-height: 220px; border: 1px dashed rgba(255,255,255,.18); border-radius: 18px; display: grid; place-items: center; color: var(--muted); background: rgba(0,0,0,.16); text-align: center; }
.pattern-card { background: rgba(0,0,0,.18); border: 1px solid var(--line); border-radius: 20px; padding: 12px; }
.pattern-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.pattern-meta strong { color: var(--text); }
.canvas-wrap { overflow: hidden; border-radius: 16px; background: #080807; border: 1px solid rgba(255,255,255,.12); }
.pattern-canvas { display: block; width: 100%; height: auto; image-rendering: auto; }
.result-field textarea { background: rgba(0,0,0,.32); }
.note h2 { margin-bottom: 8px; }
input[type="file"] { color: var(--muted); }
@media (max-width: 640px) { .shell { width: min(100% - 18px, 980px); padding-top: 20px; } .panel, .note { padding: 16px; border-radius: 18px; } .section-head { grid-template-columns: 36px 1fr; } .step { width: 36px; height: 36px; border-radius: 12px; } }