/* ============ LebotLab 旗舰样板样式：模拟实验 / 积木编程 / 证据剧场 ============
 * 复用 style.css 设计变量（--cyan/--yellow/--pink/--green/--card/--line/--radius 等），
 * 本文件只新增旗舰玩法与 P0 学习循环所需组件，不改动既有样式。 */

/* ---------- 通用：关卡步骤条 ---------- */
.mission-steps {
  display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 14px;
}
.mission-steps .ms {
  font-size: 11.5px; font-weight: 700; color: var(--muted);
  background: var(--card); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 99px;
}
.mission-steps .ms.on {
  color: #0e1124; background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-color: transparent;
}
.mission-steps .ms.done { color: var(--green); border-color: rgba(123,241,168,.4); }

/* ---------- 物理·纸直升机实验 ---------- */
.heli-lab {
  display: grid; grid-template-columns: 1fr; gap: 14px;
}
.heli-stage {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(180deg, rgba(82,214,255,.10), rgba(123,97,255,.06) 60%, rgba(0,0,0,.25));
  border: 1px solid var(--line);
}
.heli-stage canvas { display: block; width: 100%; height: 340px; }
.heli-ground-tag {
  position: absolute; right: 10px; bottom: 8px; font-size: 11px; color: var(--muted);
  background: rgba(0,0,0,.35); padding: 2px 8px; border-radius: 99px; pointer-events: none;
}
.heli-panel { display: grid; gap: 12px; }
.heli-vars { display: grid; gap: 10px; }
.heli-var {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 14px; transition: opacity .2s, border-color .2s;
}
.heli-var .hv-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.heli-var .hv-name { font-size: 13.5px; font-weight: 800; }
.heli-var .hv-val { font-size: 15px; font-weight: 900; color: var(--cyan); font-variant-numeric: tabular-nums; }
.heli-var input[type="range"] { width: 100%; margin-top: 8px; accent-color: var(--cyan); }
.heli-var .hv-note { font-size: 11px; color: var(--muted); margin-top: 2px; }
.heli-var.locked { opacity: .5; }
.heli-var.locked::after {
  content: "🔒 本次实验已锁定 · 控制变量"; display: block;
  font-size: 11px; color: var(--orange); margin-top: 6px; font-weight: 700;
}
.heli-var.changed { border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255,209,102,.12); }
.heli-var.changed .hv-name::after { content: " · 本组唯一变量"; color: var(--yellow); font-size: 11px; }

.heli-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.heli-log { overflow-x: auto; }
.heli-log table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.heli-log th, .heli-log td { padding: 7px 9px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.heli-log th { color: var(--muted); font-size: 11.5px; }
.heli-log td.hl-changed { color: var(--yellow); font-weight: 800; }
.heli-log td.hl-time { color: var(--cyan); font-weight: 800; font-variant-numeric: tabular-nums; }
.heli-log tr.hl-base td { color: var(--muted); }

.heli-chart {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px;
}
.heli-chart canvas { display: block; width: 100%; height: 150px; }
.heli-chart .hc-title { font-size: 12.5px; font-weight: 800; color: var(--muted); margin-bottom: 6px; }

.heli-predict { display: grid; gap: 10px; margin-top: 12px; }
.heli-predict .hp-row { display: flex; gap: 8px; flex-wrap: wrap; }
.heli-predict .hp-btn {
  flex: 1; min-width: 96px; padding: 10px 12px; border-radius: 12px; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); color: var(--text);
  font-size: 13.5px; font-weight: 700; transition: all .15s;
}
.heli-predict .hp-btn:hover { border-color: var(--cyan); transform: translateY(-2px); }
.heli-predict .hp-btn.picked { border-color: var(--yellow); background: rgba(255,209,102,.14); }
.heli-predict .hp-btn.hit { border-color: var(--green); background: rgba(123,241,168,.14); }
.heli-predict .hp-btn.miss { border-color: var(--red); background: rgba(255,92,122,.12); }

.heli-target {
  border: 1px dashed rgba(255,209,102,.55); background: rgba(255,209,102,.08);
  border-radius: 14px; padding: 12px 14px; font-size: 13.5px; line-height: 1.8;
}
.heli-target b { color: var(--yellow); }
.heli-result-banner {
  text-align: center; font-size: 15px; font-weight: 900; padding: 10px; border-radius: 12px; margin-top: 10px;
}
.heli-result-banner.ok { background: rgba(123,241,168,.16); color: var(--green); border: 1px solid rgba(123,241,168,.4); }
.heli-result-banner.no { background: rgba(255,92,122,.14); color: var(--red); border: 1px solid rgba(255,92,122,.35); }

.hint-stack { display: grid; gap: 8px; margin-top: 10px; }
.hint-card {
  background: rgba(77,227,255,.08); border: 1px solid rgba(77,227,255,.28);
  border-radius: 12px; padding: 10px 12px; font-size: 13px; line-height: 1.7;
}
.hint-card b { color: var(--cyan); }

/* ---------- 编程·机器人机关岛 ---------- */
.ri-wrap { display: grid; grid-template-columns: 1fr; gap: 14px; }
.ri-map-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; display: grid; gap: 10px; justify-items: center;
}
.ri-map { display: grid; gap: 4px; }
.ri-cell {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  font-size: 22px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07);
  transition: background .2s;
}
.ri-cell.wall { background: rgba(0,0,0,.4); }
.ri-cell.road { background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.25); }
.ri-cell.trap { background: rgba(255,92,122,.14); border-color: rgba(255,92,122,.3); }
.ri-cell.exit { background: rgba(255,209,102,.16); border-color: rgba(255,209,102,.4); }
.ri-cell.robot { outline: 2px solid var(--cyan); outline-offset: -2px; }
.ri-cell .ri-robot { display: inline-block; transition: transform .18s; }
.ri-statusbar { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.ri-statusbar .badge { font-size: 12px; }

.ri-editor { display: grid; gap: 12px; }
.ri-palette, .ri-program {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px;
}
.ri-palette .rp-title, .ri-program .rp-title {
  font-size: 12.5px; font-weight: 800; color: var(--muted); margin-bottom: 8px;
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.ri-blocks { display: flex; gap: 8px; flex-wrap: wrap; }
.ri-block {
  display: inline-flex; align-items: center; gap: 6px; cursor: grab; user-select: none;
  border-radius: 10px; padding: 8px 12px; font-size: 13px; font-weight: 800;
  border: 1px solid var(--line); background: var(--card-2); color: var(--text);
  transition: transform .12s, border-color .12s;
}
.ri-block:hover { transform: translateY(-2px); border-color: var(--cyan); }
.ri-block.b-move { background: rgba(77,227,255,.14); border-color: rgba(77,227,255,.4); }
.ri-block.b-turn { background: rgba(155,140,255,.14); border-color: rgba(155,140,255,.4); }
.ri-block.b-act { background: rgba(255,209,102,.14); border-color: rgba(255,209,102,.4); }
.ri-block.b-rep { background: rgba(123,241,168,.13); border-color: rgba(123,241,168,.4); }
.ri-block.b-if { background: rgba(255,107,157,.13); border-color: rgba(255,107,157,.4); }
.ri-block .ri-n {
  width: 34px; margin-left: 2px; background: rgba(0,0,0,.3); color: var(--green);
  border: 1px solid rgba(123,241,168,.4); border-radius: 7px; padding: 2px 4px; font-size: 13px; text-align: center;
}

.ri-program-list { display: grid; gap: 6px; min-height: 46px; }
.ri-line {
  display: flex; align-items: center; gap: 8px; border-radius: 10px; padding: 2px;
  transition: background .15s;
}
.ri-line.exec { background: rgba(77,227,255,.16); box-shadow: 0 0 0 2px rgba(77,227,255,.35); }
.ri-line.err .ri-block { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255,92,122,.3); }
.ri-line .ri-bp {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--muted);
  background: transparent; cursor: pointer; flex: none; padding: 0;
}
.ri-line .ri-bp.on { border-color: var(--red); background: var(--red); }
.ri-line .ri-idx { font-size: 10.5px; color: var(--muted); width: 18px; text-align: right; flex: none; }
.ri-line .ri-del {
  margin-left: auto; background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 13px; padding: 2px 6px; border-radius: 6px; flex: none;
}
.ri-line .ri-del:hover { color: var(--red); background: rgba(255,92,122,.12); }
.ri-line .ri-block { cursor: default; }
.ri-children {
  margin-left: 26px; margin-top: 4px; padding: 6px 8px; display: grid; gap: 6px;
  border-left: 2px dashed rgba(255,255,255,.18); border-radius: 0 10px 10px 0;
}
.ri-children.focus { border-left-color: var(--cyan); background: rgba(77,227,255,.06); }
.ri-children .ri-empty-hint { font-size: 11.5px; color: var(--muted); padding: 4px 2px; }
.ri-program.drop-hint { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(77,227,255,.15); }

.ri-runbar { display: flex; gap: 8px; flex-wrap: wrap; }
.ri-watch {
  display: flex; gap: 8px; flex-wrap: wrap; font-size: 12px;
  background: rgba(0,0,0,.3); border: 1px solid var(--line); border-radius: 12px; padding: 8px 12px;
}
.ri-watch .w { display: flex; gap: 5px; align-items: baseline; }
.ri-watch .w b { color: var(--green); font-variant-numeric: tabular-nums; font-family: ui-monospace, monospace; }
.ri-watch .w span { color: var(--muted); }

.ri-level-pill { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); }
.ri-stars { color: var(--yellow); font-size: 15px; letter-spacing: 2px; }

/* ---------- 鲁迅·证据分支剧场 ---------- */
.ev-task { margin-top: 16px; }
.ev-q {
  display: flex; gap: 10px; align-items: flex-start; font-size: 15px; font-weight: 800; line-height: 1.7;
}
.ev-passage {
  margin-top: 12px; background: rgba(0,0,0,.28); border: 1px solid var(--line);
  border-radius: 14px; padding: 16px; font-size: 15.5px; line-height: 2.1;
}
.ev-seg {
  cursor: pointer; border-radius: 6px; padding: 2px 1px; transition: background .15s;
  border-bottom: 2px dotted transparent;
}
.ev-seg:hover { background: rgba(77,227,255,.12); border-bottom-color: rgba(77,227,255,.5); }
.ev-seg.sel { background: rgba(255,209,102,.22); border-bottom-color: var(--yellow); }
.ev-seg.hit { background: rgba(123,241,168,.22); border-bottom-color: var(--green); }
.ev-seg.over { background: rgba(255,92,122,.2); border-bottom-color: var(--red); }
.ev-seg.miss { background: rgba(123,241,168,.1); border-bottom: 2px dashed var(--green); }
.ev-tools { display: flex; gap: 10px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.ev-tools .ev-count { font-size: 12px; color: var(--muted); }

.rel-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.rel-chip {
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px;
  background: var(--card); border: 1px solid var(--line); color: var(--muted);
}
.rel-chip b { color: var(--pink); font-variant-numeric: tabular-nums; }
.branch-note {
  margin-top: 12px; font-size: 12.5px; color: var(--purple); font-weight: 700;
  background: rgba(155,140,255,.1); border: 1px dashed rgba(155,140,255,.4);
  padding: 8px 12px; border-radius: 10px;
}

/* ---------- 首页复习卡 / 错题本入口 ---------- */
.review-card {
  margin-top: 22px; padding: 18px 20px; display: grid; gap: 10px;
}
.review-card .rc-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.review-card .rc-title { font-size: 16px; font-weight: 900; display: flex; gap: 8px; align-items: center; }
.review-card .rc-list { display: grid; gap: 6px; }
.review-card .rc-item {
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
  font-size: 13px; background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 12px;
}
.review-card .rc-item b { color: var(--orange); }
.review-card .rc-item .rc-due { color: var(--muted); font-size: 12px; flex: none; }

/* ---------- 结算页新增：修正过程 & 下次复习 ---------- */
.settle-flow { display: grid; gap: 6px; margin-top: 10px; text-align: left; }
.settle-flow .sf-row {
  display: flex; gap: 8px; font-size: 13px; align-items: baseline;
  background: var(--card); border-radius: 8px; padding: 7px 10px;
}
.settle-flow .sf-row .sf-tag { flex: none; font-size: 11px; font-weight: 900; color: var(--purple); }
.review-item .rv-next { color: var(--orange) !important; font-weight: 700; }

/* ---------- 390px 竖屏适配 ---------- */
@media (max-width: 520px) {
  .heli-stage canvas { height: 260px; }
  .ri-cell { width: 38px; height: 38px; font-size: 19px; }
  .ri-block { padding: 7px 10px; font-size: 12.5px; }
  .ev-passage { font-size: 14.5px; padding: 13px; }
}