/* Accuracy-trap post: "Partial credit vs. exact match" lab. Base rules are copied from the shared .ga-* set. */
.ga-card { --ga-ok: #0E9F6E; --ga-bad: #C2410C; --ga-hall: #DC2626; --ga-miss: #475569;
  border: 1px solid var(--line); border-radius: 16px; background: #fff;
  padding: clamp(18px, 4vw, 26px); margin: 28px 0; }
.ga-eyebrow { display: block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .16em; color: var(--accent); margin: 0 0 9px; }
.ga-card h3 { font-family: var(--display); font-size: 20px; letter-spacing: -.01em; line-height: 1.25; margin: 0 0 8px; }
.ga-sub, .ga-note { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 10px 0 0; }
.ga-label { display: block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.ga-big { display: block; font-family: var(--display); font-size: clamp(26px, 5.5vw, 36px); letter-spacing: -.02em; line-height: 1.05; margin-top: 8px; color: var(--text); }
.ga-panel { background: var(--bg); border: 1px solid var(--line); border-radius: 13px; padding: 16px 18px; }
.ga-bar { height: 9px; border-radius: 99px; background: #E2E5F2; overflow: hidden; margin-top: 12px; position: relative; }
.ga-bar > i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, #8a7dff, var(--accent)); transition: width .35s ease; }
.ga-formula { margin: 16px 0 0; padding: 14px 16px; background: #fff; border: 1px dashed #c9cde6; border-radius: 12px; overflow-x: auto; text-align: center; color: var(--text); }
.ga-formula math { font-size: 17px; }
.ga-presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
.ga-presets button { font-family: var(--body); font-size: 13px; font-weight: 600; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 99px; padding: 7px 14px; cursor: pointer; transition: border-color .15s, color .15s; }
.ga-presets button:hover { border-color: var(--accent); color: var(--accent); }
.ga-card input[type="text"] { width: 100%; padding: 9px 11px; font-family: var(--mono); font-size: 14px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; box-sizing: border-box; }
.ga-card input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(85,70,255,.15); }
.ga-card label > span { display: block; font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 6px; }

/* string lab */
.ga-lab .ga-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.ga-lab .ga-cellrow { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.ga-lab .ga-cellwrap { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.ga-lab .ga-c { display: grid; place-items: center; min-width: 22px; height: 28px; padding: 0 4px; font-family: var(--mono); font-size: 14px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.ga-lab .ga-c.is-bad { color: #fff; background: var(--ga-bad); border-color: var(--ga-bad); }
.ga-lab .ga-c.is-empty { color: var(--muted); }
.ga-lab .ga-tag { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 4px; display: block; }
.ga-lab .ga-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin-top: 18px; }
.ga-lab .ga-verdict { font-size: 22px; }
.ga-lab .ga-verdict.is-ok { color: var(--ga-ok); }
.ga-lab .ga-verdict.is-bad { color: var(--ga-bad); }
.ga-lab .ga-explain { margin-top: 10px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
@media (max-width: 620px) { .ga-lab .ga-inputs { grid-template-columns: 1fr; } }