/* Learn page: format finder on tracks, free vs paid, course placeholder */
.fit { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(18px, 3vw, 44px); align-items: start; }
.fit-q { display: grid; gap: 14px; }
.fit-step { margin: 0; padding: 14px 16px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: border-color 0.3s; }
.fit-step.done { border-color: color-mix(in oklab, #3fa86f 55%, var(--line)); }
.fit-step legend { padding: 0 6px; margin-left: -6px; font-weight: 650; font-size: 15.5px; display: flex; gap: 10px; align-items: baseline; }
.fit-step legend span { font-size: 11px; color: var(--muted); font-weight: 500; }
.fit-opts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.fit-opts button { min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: transparent; cursor: pointer; font-size: 13.5px; font-weight: 600; transition: background-color 0.2s, color 0.2s, border-color 0.2s; }
.fit-opts button:hover { border-color: var(--text); }
.fit-opts button[aria-pressed='true'] { background: var(--text); color: var(--bg); border-color: var(--text); }
.fit-mix { display: grid; gap: 14px; }
.fit-tracks { list-style: none; margin: 0; padding: 12px; display: grid; gap: 8px; border-radius: var(--radius); background: #121214; border: 1px solid var(--line); color: #f1efea; --lvl: 0.35; }
.fit-tracks li { display: grid; grid-template-columns: 34px minmax(0, 1fr) 20px; gap: 10px; align-items: center; min-height: 74px; transition: opacity 0.5s; }
.fit-tr { font-size: 11px; color: #a3a097; text-align: center; }
.fit-clip {
  position: relative; display: grid; gap: 2px; align-content: center; min-height: 66px; padding: 10px 14px; border-radius: 6px; overflow: hidden;
  border-left: 3px solid var(--c); background: color-mix(in srgb, var(--c) 22%, #18181b);
  width: calc(42% + var(--lvl) * 58%); transition: width 0.7s var(--ease-out), background-color 0.4s, box-shadow 0.4s;
}
.fit-clip b { font-size: 15px; position: relative; z-index: 1; }
.fit-clip > span { font-size: 13px; color: #c9c6be; position: relative; z-index: 1; }
.fit-wave { position: absolute; inset: 0; opacity: calc(0.15 + var(--lvl) * 0.35); background: repeating-linear-gradient(90deg, var(--c) 0 2px, transparent 2px 6px); -webkit-mask: radial-gradient(ellipse 100% calc(var(--lvl) * 90% + 10%) at 50% 50%, #000 40%, transparent 72%); mask: radial-gradient(ellipse 100% calc(var(--lvl) * 90% + 10%) at 50% 50%, #000 40%, transparent 72%); transition: opacity 0.5s; }
.fit-m { justify-self: end; width: 8px; height: 52px; border-radius: 3px; background: rgba(255,255,255,.08); position: relative; overflow: hidden; }
.fit-m::after { content: ''; position: absolute; inset: 0; border-radius: 3px; background: linear-gradient(0deg, #3fa86f 0%, #e8b04a 75%, #ff453a 100%); transform-origin: 50% 100%; transform: scaleY(var(--lvl)); transition: transform 0.6s var(--ease-out); }
.fit-tracks li.solo .fit-clip { background: color-mix(in srgb, var(--c) 42%, #18181b); box-shadow: inset 0 0 0 2px var(--c); }
.fit-tracks li.duck { opacity: 0.38; }
.fit-res { display: grid; gap: 8px; padding: clamp(16px, 2vw, 24px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); transition: border-color 0.4s; }
.fit-res.on { border-color: var(--text); }
.fit-res b { font-family: var(--f-display); font-weight: var(--display-w); font-variation-settings: var(--display-vs); letter-spacing: var(--display-ls); font-size: clamp(22px, 2.4vw, 34px); line-height: 1.08; }
.fit-res p { margin: 0 0 6px; color: var(--muted); }
.fit-res .btn { justify-self: start; }
.fit-res .btn:disabled { opacity: 0.45; cursor: not-allowed; }

.ask { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 2.4vw, 32px); }
.ask-free, .ask-paid { padding: clamp(20px, 2.6vw, 34px); border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); display: grid; gap: 14px; align-content: start; }
.ask-paid { background: transparent; border-style: dashed; border-color: var(--line-strong); }
.ask .kick { margin: 0; }
.ask-lead { margin: 0; font-size: clamp(16px, 1.25vw, 18px); }
.ask-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ask-chips button { min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-strong); background: transparent; cursor: pointer; font-size: 13.5px; font-weight: 600; }
.ask-chips button[aria-pressed='true'] { background: var(--text); color: var(--bg); border-color: var(--text); }
.ask-msg { display: grid; gap: 6px; }
.ask-msg textarea { width: 100%; resize: vertical; min-height: 84px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line-strong); background: var(--bg); color: var(--text); font: inherit; font-size: 15px; }
.ask-msg textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; border-color: transparent; }
.ask-free .btn { justify-self: start; }
.ask-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0; counter-reset: a; }
.ask-list li { display: grid; gap: 2px; padding: 12px 0 12px 40px; border-top: 1px solid var(--line); position: relative; counter-increment: a; }
.ask-list li::before { content: '0' counter(a); position: absolute; left: 0; top: 14px; font-family: var(--f-mono); font-size: 11px; color: var(--muted); }
.ask-list b { font-size: 16px; }
.ask-list span { color: var(--muted); font-size: 14px; }
.ask-note { margin: 0; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.course-strip {
  display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; padding: 26px 12px; border-radius: 6px;
  background: radial-gradient(circle, var(--bg) 0 3.5px, transparent 4px) 0 8px / 20px 20px repeat-x, radial-gradient(circle, var(--bg) 0 3.5px, transparent 4px) 0 calc(100% - 8px) / 20px 20px repeat-x, #2c1e12;
}
.course-f { position: relative; aspect-ratio: 4 / 3; border-radius: 3px; background: repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 10px, transparent 10px 20px), #17110b; box-shadow: inset 0 0 0 1px rgba(240, 190, 110, 0.18); }
.course-f span { position: absolute; left: 6px; top: 4px; font-size: 9px; color: rgba(240, 190, 110, 0.6); }
.course-note { margin: 12px 0 0; text-align: center; }

@media (max-width: 900px) {
  .fit { grid-template-columns: minmax(0, 1fr); }
  .fit-tracks { padding: 8px; }
  .fit-tracks li { grid-template-columns: 26px minmax(0, 1fr) 12px; gap: 6px; }
  .fit-clip { width: calc(64% + var(--lvl) * 36%); }
  .fit-clip > span { font-size: 12px; }
  .ask { grid-template-columns: minmax(0, 1fr); }
  .course-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) { .fit-clip, .fit-tracks li, .fit-wave { transition: none; } }