/* 元构实验台 · 复用 v5 组件，配色对齐模板 */
.mg-lab {
  --fg: #f3f1ec;
  --fg-2: rgba(243,241,236,.66);
  --fg-3: rgba(243,241,236,.46);
  --fg-4: rgba(243,241,236,.24);
  --line: rgba(243,241,236,.14);
  --line-2: rgba(243,241,236,.08);
  --red: #229eff;
  --jade: #5ad1c0;
  --bg: #000;
  --ease: cubic-bezier(.16,1,.3,1);
  --sans: 'Inter Tight','HarmonyOS Sans SC','Noto Sans SC',sans-serif;
  --mono: 'IBM Plex Mono',ui-monospace,monospace;
  color: var(--fg);
  font-family: var(--sans);
}
/* ══ 07 LAB ═══════════════════════════════════════════════════ */
.inst-tabs {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.inst-tabs button {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto;
  column-gap: 14px; row-gap: 4px;
  padding: 20px 18px 20px 0; text-align: left;
  border-right: 1px solid var(--line-2);
  position: relative;
  transition: background .35s;
}
.inst-tabs button + button { padding-left: 18px; }
.inst-tabs button:last-child { border-right: 0; }
.inst-tabs button::before {
  content: ''; position: absolute; left: 0; top: -1px; height: 2px; width: 0;
  background: var(--red); transition: width .5s var(--ease);
}
.inst-tabs button[aria-selected="true"]::before { width: 100%; }
.inst-tabs button:hover { background: rgba(255, 255, 255, .018); }
.it-no { grid-row: 1 / 3; font-family: var(--mono); font-size: 9px; letter-spacing: .1em; color: var(--fg-4); padding-top: .5em; }
.inst-tabs button[aria-selected="true"] .it-no { color: var(--red); }
.it-t { font-size: 14px; color: var(--fg-2); letter-spacing: .02em; }
.inst-tabs button[aria-selected="true"] .it-t { color: var(--fg); }
.it-d { font-size: 10.5px; color: var(--fg-3); }

.lab-note { margin-top: 18px; font-size: 11px; line-height: 1.85; color: var(--fg-3); max-width: min(100%, 980px); }

.lab-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
  gap: clamp(16px, 2.2vw, 28px);
  margin-top: clamp(24px, 3vw, 36px);
  align-items: start;
}
.lab-main { min-width: 0; }
.inst {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, .024), rgba(255, 255, 255, 0) 42%);
  padding: clamp(20px, 2.4vw, 34px);
}
.inst[hidden] { display: none; }
.inst-head { margin-bottom: 22px; }
.inst-k { font-family: var(--mono); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--red); }
.inst-head h3 { font-size: clamp(21px, 2vw, 28px); letter-spacing: -.03em; margin: 10px 0 10px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.inst-en { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-4); font-weight: 300; }
.inst-head p:last-child { font-size: 12px; line-height: 1.8; color: var(--fg-2); max-width: 62ch; }

.scenario-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.scenario-row button {
  font-size: 11.5px; color: var(--fg-3);
  border: 1px solid var(--line); padding: 6px 12px;
  transition: color .3s, border-color .3s, background .3s;
}
.scenario-row button:hover { color: var(--fg); border-color: var(--fg-4); }
.scenario-row button[aria-pressed="true"] { color: #0a0a0a; background: var(--fg); border-color: var(--fg); }

.lock-req {
  display: flex; gap: 14px; align-items: baseline;
  padding: 12px 14px; background: rgba(255, 255, 255, .03);
  border-left: 2px solid var(--red);
  font-size: 12.5px; margin-bottom: 18px;
}
.lock-req span { font-family: var(--mono); font-size: 8.5px; letter-spacing: .16em; color: var(--fg-3); text-transform: uppercase; flex-shrink: 0; }
.lock-req b { font-weight: 300; color: var(--fg); }

.gate-list { display: flex; flex-direction: column; }
.gate-list li {
  display: grid; grid-template-columns: 58px minmax(0, 1fr) 84px;
  gap: 14px; align-items: center;
  padding: 13px 0; border-bottom: 1px solid var(--line-2);
  position: relative;
  transition: padding-left .3s;
}
.gate-code { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--fg-3); }
.gate-name { font-size: 12.5px; color: var(--fg); }
.gate-note { font-size: 10.5px; color: var(--fg-3); margin-top: 3px; line-height: 1.5; }
.gate-flag {
  font-family: var(--mono); font-size: 8.5px; letter-spacing: .12em;
  color: var(--fg-4); text-align: right;
}
.gate-list li[data-state="pass"] .gate-flag { color: var(--jade); }
.gate-list li[data-state="pass"] .gate-code { color: var(--jade); }
.gate-list li[data-state="pass"] .gate-note { color: var(--fg-2); }
.gate-list li[data-state="block"] { background: rgba(217, 60, 44, .09); padding-left: 10px; }
.gate-list li[data-state="block"] .gate-flag,
.gate-list li[data-state="block"] .gate-code { color: #ff6a58; }
.gate-list li[data-state="block"] .gate-note { color: rgba(255, 140, 126, .85); }
.gate-list li[data-state="block"]::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--red);
}

.verdict {
  display: flex; gap: 16px; align-items: baseline;
  margin-top: 18px; padding: 14px 16px;
  border: 1px solid var(--line);
}
.verdict-k {
  font-family: var(--mono); font-size: 9px; letter-spacing: .16em;
  color: var(--fg-3); flex-shrink: 0;
}
.verdict[data-verdict="blocked"] .verdict-k { color: #ff6a58; }
.verdict p { font-size: 12px; line-height: 1.7; color: var(--fg-2); }

.inst-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

.btn-solid, .btn-line {
  display: inline-flex; align-items: center; gap: 10px;
  height: 40px; padding: 0 20px; border-radius: 999px;
  font-size: 12px; letter-spacing: .04em;
  transition: background .35s var(--ease), color .35s, border-color .35s, transform .35s var(--ease);
}
.btn-solid { background: var(--fg); color: #0a0a0a; border: 1px solid var(--fg); }
.btn-solid:hover { background: var(--red); border-color: var(--red); color: #fff; transform: translateY(-1px); }
.btn-solid i { font-style: normal; font-size: 11px; }
.btn-line { border: 1px solid var(--line); color: var(--fg-2); }
.btn-line:hover { border-color: var(--fg-2); color: var(--fg); }

.gate-form label { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 10px; }
.gate-form textarea {
  width: 100%; min-height: 96px; resize: vertical;
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line);
  color: var(--fg); font-family: var(--sans); font-size: 13px; line-height: 1.7;
  padding: 14px; outline: none;
  transition: border-color .3s;
}
.gate-form textarea:focus { border-color: var(--fg-4); }
.gate-form textarea::placeholder { color: var(--fg-4); }
.gate-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 9px; letter-spacing: .08em; color: var(--fg-4); margin-top: 8px; }
.gate-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.gate-actions .btn-solid, .gate-actions .btn-line { height: 34px; font-size: 11px; padding: 0 15px; }

.gate-out { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 18px; }
.gate-out-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.gate-count { font-family: var(--mono); font-size: 9.5px; color: var(--fg-3); letter-spacing: .08em; }
.finding-list li {
  display: grid; grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line-2);
}
.rule-id { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; color: var(--fg-3); padding-top: .25em; }
.rule-name { font-size: 12px; color: var(--fg); }
.rule-hint { font-size: 10.5px; color: var(--fg-3); margin-top: 3px; line-height: 1.6; }
.finding-list li[data-severity="block"] .rule-id { color: #ff6a58; }
.finding-list li[data-severity="block"] { background: rgba(217, 60, 44, .07); }
.finding-list li[data-severity="warn"] .rule-id { color: var(--amber, #c99a4e); }

.rewrite { margin-top: 16px; padding: 14px; border-left: 2px solid var(--jade); background: rgba(87, 201, 186, .06); }
.rewrite-k { font-family: var(--mono); font-size: 9px; letter-spacing: .16em; color: var(--jade); text-transform: uppercase; margin-bottom: 6px; }
.rewrite p:last-child { font-size: 12px; line-height: 1.8; color: var(--fg-2); }

.axis-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 280px); gap: clamp(20px, 3vw, 40px); }
.axis-row {
  display: grid; grid-template-columns: 120px minmax(0, 1fr) 34px;
  gap: 14px; align-items: center;
  padding: 11px 0; border-bottom: 1px solid var(--line-2);
}
.axis-row label { font-size: 12.5px; }
.axis-row label small { display: block; font-size: 9.5px; color: var(--fg-3); letter-spacing: .04em; }
.axis-row output { font-family: var(--mono); font-size: 11px; color: var(--fg-2); text-align: right; }
.axis-row p { grid-column: 1 / -1; font-size: 10.5px; color: var(--fg-3); line-height: 1.6; margin-top: -2px; }
.axis-row input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 2px; background: var(--line); outline: none;
}
.axis-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%;
  background: var(--fg); cursor: pointer; border: 0;
}
.axis-row input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%; background: var(--fg); border: 0; cursor: pointer;
}
.axis-result { border: 1px solid var(--line); padding: 20px; height: fit-content; }
.axis-k { font-family: var(--mono); font-size: 9px; letter-spacing: .16em; color: var(--fg-3); text-transform: uppercase; }
.axis-score { display: flex; align-items: baseline; gap: 4px; margin: 8px 0 16px; }
.axis-score strong { font-size: clamp(42px, 4.4vw, 60px); font-weight: 200; letter-spacing: -.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.axis-score small { font-family: var(--mono); font-size: 10px; color: var(--fg-3); }
.axis-compare { display: flex; flex-direction: column; gap: 6px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.axis-compare div { display: flex; justify-content: space-between; gap: 10px; }
.axis-compare dt { font-size: 10.5px; color: var(--fg-3); }
.axis-compare dd { font-size: 10.5px; color: var(--fg-2); text-align: right; }
.axis-verdict { margin-top: 14px; }
.axis-verdict .verdict-k { display: block; margin-bottom: 8px; }
.axis-verdict p { font-size: 10.5px; line-height: 1.7; color: var(--fg-3); }

.ledger-panel {
  position: sticky; top: 92px;
  border: 1px solid var(--line);
  padding: 20px;
  background: rgba(255, 255, 255, .018);
}
.ledger-head { padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.ledger-head h3 { font-size: 16px; letter-spacing: -.02em; margin: 8px 0 8px; line-height: 1.4; }
.ledger-head h3 span { display: block; font-family: var(--mono); font-size: 8.5px; letter-spacing: .1em; color: var(--fg-4); margin-top: 5px; }
.ledger-head > p:last-child { font-size: 10.5px; line-height: 1.65; color: var(--fg-3); }
.ledger-count { margin: 14px 0 10px; font-family: var(--mono); font-size: 9px; letter-spacing: .1em; color: var(--fg-3); }
.ledger-count strong { font-size: 20px; font-weight: 200; color: var(--fg); margin-right: 4px; letter-spacing: -.03em; }
.ledger-list { display: flex; flex-direction: column; max-height: 340px; overflow-y: auto; }
.ledger-list li { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.led-seq { font-family: var(--mono); font-size: 8.5px; color: var(--fg-4); flex-shrink: 0; padding-top: .25em; }
.led-kind { font-size: 10.5px; color: var(--fg); line-height: 1.5; }
.led-detail { font-size: 9.5px; color: var(--fg-3); line-height: 1.55; margin-top: 2px; }
.ledger-list li[data-verdict="blocked"] .led-kind { color: #ff8b7c; }
.ledger-empty { font-size: 10.5px; color: var(--fg-4); line-height: 1.6; padding: 10px 0; }
.ledger-actions { display: flex; gap: 8px; margin-top: 12px; }
.ledger-actions .btn-line { height: 30px; font-size: 10px; padding: 0 12px; }


/* 移动端：实验台两列改单列 */
@media (max-width: 1180px) {
  .lab-grid, .axis-grid { grid-template-columns: 1fr !important; }
}