/* 代码魔法学院 —— 深色终端主题基础 */
:root {
  --bg: #0d1117;
  --panel: rgba(22, 27, 34, 0.85);
  --accent: #58a6ff;
  --ok: #3fb950;
  --err: #f85149;
  --gold: #d29922;
  --font-code: "JetBrains Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: #e6edf3;
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

/* 视图切换 */
.view { display: none; padding: 24px; max-width: 860px; margin: 0 auto; animation: fadeIn .4s ease; }
.view.active { display: block; }

/* 开始界面 */
#view-start { text-align: center; padding-top: 12vh; }
#view-start .title {
  font-size: 3rem; margin: 0;
  background: linear-gradient(135deg, #58a6ff, #d29922);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 40px rgba(88, 166, 255, .35);
}
#view-start .subtitle { color: #8b949e; margin: 8px 0 32px; }
#view-start input {
  display: block; width: 260px; margin: 16px auto; padding: 10px 14px;
  background: #161b22; border: 1px solid #30363d; border-radius: 8px; color: #e6edf3; font-size: 1rem;
}
#avatar-pick { display: flex; gap: 12px; justify-content: center; margin: 16px 0; }
.avatar {
  width: 56px; height: 56px; font-size: 1.6rem; border-radius: 12px; cursor: pointer;
  background: #161b22; border: 2px solid #30363d; transition: transform .15s, border-color .15s;
}
.avatar:hover { transform: translateY(-3px); }
.avatar.selected { border-color: var(--accent); box-shadow: 0 0 12px rgba(88,166,255,.4); }
button.primary, button.ghost {
  display: block; margin: 10px auto; padding: 12px 36px; font-size: 1.05rem; cursor: pointer;
  border-radius: 10px; border: none;
}
button.primary { background: linear-gradient(135deg, #238636, #2ea043); color: #fff; font-weight: 700; }
button.primary:hover { filter: brightness(1.1); }
button.ghost { background: transparent; border: 1px solid #30363d; color: #8b949e; }
button.ghost:hover { color: #e6edf3; border-color: var(--accent); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* 章节地图 */
.topbar { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.topbar h2 { margin: 0; }
.topbar .player { margin-left: auto; color: #8b949e; font-size: .9rem; }
.map-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.map-node {
  background: var(--panel); border: 1px solid #30363d; border-radius: 14px; padding: 20px;
  display: flex; flex-direction: column; gap: 8px; cursor: pointer; text-align: left;
  color: #e6edf3; transition: transform .15s, border-color .15s;
}
.map-node:hover { transform: translateY(-4px); }
.map-node .node-mark { font-size: 2rem; }
.map-node .node-name { font-weight: 700; }
.map-node .node-state { font-size: .8rem; color: #8b949e; }
.map-node.open { border-color: var(--accent); }
.map-node.cleared { border-color: var(--gold); box-shadow: 0 0 16px rgba(210,153,34,.25); }
.map-node.locked { opacity: .5; cursor: not-allowed; }
.menu-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; padding-top: 16px; border-top: 1px solid #21262d; }
.menu-bar button { background: var(--panel); border: 1px solid #30363d; color: #e6edf3; border-radius: 10px; padding: 10px 16px; cursor: pointer; }
.menu-bar button:hover { border-color: var(--accent); }
.back { background: transparent; border: 1px solid #30363d; color: #8b949e; border-radius: 8px; padding: 6px 14px; cursor: pointer; }
.boss-badge { margin-left: auto; font-size: .85rem; color: var(--gold); }
.level-list { display: flex; flex-direction: column; gap: 10px; }
.level-row {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 18px;
  background: var(--panel); border: 1px solid #30363d; border-radius: 12px; cursor: pointer; color: #e6edf3;
}
.level-row:hover { border-color: var(--accent); }
.level-row .stars { color: var(--gold); letter-spacing: 2px; }
.level-row.locked { cursor: not-allowed; opacity: .5; color: #8b949e; }
.level-row.locked .lock-icon { margin-right: 6px; }
.empty { color: #8b949e; text-align: center; padding: 40px; }
.boss-btn {
  display: block; width: 100%; margin-top: 16px; padding: 14px; font-size: 1rem;
  background: linear-gradient(135deg, #7d3c98, #a52a2a); color: #fff; border: none; border-radius: 12px; cursor: pointer;
}
.boss-btn:hover:not(.disabled) { filter: brightness(1.15); }
.boss-btn.disabled { opacity: .5; cursor: not-allowed; }

/* 结算页 */
.settle-card { text-align: center; padding: 48px 24px; background: var(--panel); border: 1px solid #30363d; border-radius: 20px; }
.settle-stars { font-size: 3rem; margin: 12px 0; }
.s-star { color: #30363d; display: inline-block; }
.s-star.lit { color: var(--gold); animation: starPop .5s ease; }
.s-star.dim { color: #30363d; }
@keyframes starPop { 0% { transform: scale(0) rotate(-40deg); } 60% { transform: scale(1.4) rotate(10deg); } 100% { transform: scale(1); } }
.settle-exp { color: #8b949e; }
.settle-actions { display: flex; gap: 12px; justify-content: center; margin-top: 20px; }
.settle-actions button { margin: 0; }

/* 选择题 */
.quiz-card { background: var(--panel); border: 1px solid #30363d; border-radius: 16px; padding: 28px; }
.quiz-step { color: var(--accent); font-size: .85rem; margin-bottom: 8px; }
.quiz-card h3 { margin: 0 0 20px; font-size: 1.15rem; }
.quiz-opts { display: flex; flex-direction: column; gap: 10px; }
.quiz-opts .opt {
  padding: 12px 16px; background: #161b22; border: 1px solid #30363d; border-radius: 10px;
  color: #e6edf3; cursor: pointer; text-align: left; font-size: 1rem;
}
.quiz-opts .opt:hover:not(:disabled) { border-color: var(--accent); }
.quiz-opts .opt.ok { border-color: var(--ok); background: rgba(63,185,80,.15); }
.quiz-opts .opt.bad { border-color: var(--err); background: rgba(248,81,73,.15); }
.quiz-opts .opt.show-answer { border-color: var(--ok); box-shadow: 0 0 8px rgba(63,185,80,.4); }
.quiz-opts .opt:disabled { cursor: default; }
.explain { margin-top: 16px; color: #8b949e; font-size: .9rem; min-height: 1.2em; }
.next { margin-top: 20px; }

/* 代码块与语法高亮 */
.code-block {
  background: #0b0f14; border: 1px solid #21262d; border-radius: 12px;
  padding: 18px; font-family: var(--font-code); font-size: var(--fs-code, .95rem); line-height: 1.9; overflow-x: auto;
}
.code-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; white-space: pre; min-height: 1.9em; }
.tok-kw { color: #79c0ff; }
.tok-str { color: #a5d6ff; }
.tok-cm { color: #8b949e; font-style: italic; }
.tok-pp { color: #ff7b72; }
.fill-blank {
  display: inline-block; min-width: 64px; padding: 0 8px; border-bottom: 2px dashed var(--gold);
  color: var(--gold); cursor: pointer; text-align: center; font-weight: 700;
}
.fill-solved { color: var(--ok); }
.code-line.solved-line .code-text { color: var(--ok); }
.fill-options { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; padding: 6px 0; }
.fill-options .opt { font-family: var(--font-code); font-size: .85rem; padding: 6px 12px; }
.fill-options .opt.ok { border-color: var(--ok); color: var(--ok); }
.fill-options .opt.bad { border-color: var(--err); color: var(--err); animation: shake .3s; }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* 默写编辑器 */
.code-block.editor { line-height: 2; }
.editor-row { display: flex; gap: 12px; align-items: center; }
.editor-row .lineno { color: #484f58; min-width: 26px; text-align: right; user-select: none; }
.editor-row.locked .line-content { color: var(--ok); }
.editor-row.current .code-input {
  flex: 1; background: #0b0f14; border: 1px solid var(--accent); border-radius: 6px;
  color: #e6edf3; font-family: var(--font-code); font-size: .95rem; padding: 4px 10px; outline: none;
}
.editor-row.bad-line .lineno, .editor-row.bad-line .code-input { border-color: var(--err); animation: shake .4s; }
.editor-row.future .placeholder { color: #30363d; }
.hint-bar { display: flex; align-items: center; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.hint { background: #161b22; border: 1px solid #30363d; color: var(--gold); border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: .85rem; }
.hint:hover { border-color: var(--gold); }
.hint-output { color: var(--gold); font-family: var(--font-code); font-size: .85rem; flex: 1; min-width: 180px; }
.code-status { color: #8b949e; font-size: .8rem; margin-top: 10px; }
.intro { color: #8b949e; font-size: .9rem; margin: 4px 0 12px; }

/* 剧情对话框 */
#view-dialog { max-width: 720px; }
.dialog-scene { text-align: center; color: var(--accent); font-size: .9rem; margin-bottom: 12px; letter-spacing: 2px; }
.dialog-stage { display: flex; gap: 20px; align-items: flex-end; }
.dialog-avatar { animation: floatY 2.4s ease-in-out infinite; }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.dialog-box { flex: 1; background: var(--panel); border: 1px solid #30363d; border-radius: 16px; padding: 18px 22px; min-height: 120px; cursor: pointer; }
.dialog-name { font-weight: 700; margin-bottom: 6px; }
.dialog-text { margin: 0; font-size: 1.05rem; line-height: 1.7; min-height: 2.4em; }
.dialog-tip { text-align: right; color: #484f58; font-size: .8rem; margin-top: 6px; animation: blinkTip 1.2s steps(2) infinite; }
@keyframes blinkTip { 50% { opacity: .35; } }

/* 场景光点与切换过渡 */
.orbs { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.orb { position: absolute; border-radius: 50%; background: rgba(255,255,255,.18); animation: orbFloat linear infinite; }
@keyframes orbFloat {
  0% { transform: translateY(0); opacity: .1; }
  50% { opacity: .6; }
  100% { transform: translateY(-40vh); opacity: 0; }
}
.veil { position: fixed; inset: 0; background: #0d1117; opacity: 0; pointer-events: none; z-index: 999; transition: opacity .4s ease; }
.veil.fade-in { opacity: 1; }

/* Boss 战 */
.boss-stage { text-align: center; margin: 8px 0 12px; }
.boss-name { font-size: 1.5rem; font-weight: 800; color: var(--err); text-shadow: 0 0 20px rgba(248,81,73,.5); }
.boss-hpbar { width: 100%; max-width: 560px; height: 18px; margin: 10px auto 4px; background: #161b22; border: 1px solid #30363d; border-radius: 10px; overflow: hidden; }
.hp-fill { height: 100%; background: linear-gradient(90deg, #f85149, #d29922); transition: width .3s ease; border-radius: 10px; }
.boss-hptext { color: #8b949e; font-size: .8rem; }
.player-hearts { text-align: center; font-size: 1.4rem; letter-spacing: 4px; margin: 4px 0; }
.combo { text-align: center; color: #8b949e; font-size: .9rem; margin-bottom: 10px; }
.combo.active { color: #ff7b72; font-weight: 700; animation: pulseCombo .6s ease; }
@keyframes pulseCombo { 0% { transform: scale(1.4); } 100% { transform: scale(1); } }
.final-line { color: var(--gold); }
.rescue-line { color: var(--accent); }

/* 伙伴图鉴 */
.codex-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.partner-card { background: var(--panel); border: 1px solid #30363d; border-radius: 14px; padding: 16px; text-align: center; opacity: .75; }
.partner-card.saved { opacity: 1; border-color: var(--gold); box-shadow: 0 0 12px rgba(210,153,34,.2); }
.partner-avatar { width: 64px; height: 64px; margin: 0 auto 10px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.partner-name { font-weight: 700; margin-bottom: 4px; }
.partner-motto { font-size: .75rem; color: #8b949e; min-height: 2.4em; }
.badge-achieve { margin-left: auto; color: var(--gold); font-weight: 700; }
.codex-count { margin-left: auto; color: #8b949e; font-size: .85rem; }
.rescue-avatar { width: 90px; height: 90px; margin: 0 auto 12px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 3rem; animation: rescuePop .6s ease; }
@keyframes rescuePop { 0% { transform: scale(0) rotate(-30deg); opacity: 0; } 70% { transform: scale(1.15); } 100% { transform: scale(1); opacity: 1; } }
.rescue-hint { color: var(--accent); }

/* 考前突击 */
.score-big { font-size: 3rem; font-weight: 800; color: var(--gold); margin: 8px 0; }
.wrong-list { background: rgba(248,81,73,.1); border: 1px solid var(--err); border-radius: 10px; padding: 12px 16px; margin: 12px 0; text-align: left; line-height: 1.8; }
.all-good { color: var(--ok); font-weight: 700; }

/* 错题本 */
.mistake-list { display: flex; flex-direction: column; gap: 10px; }
.mistake-row { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid #30363d; border-radius: 12px; padding: 14px 16px; }
.mistake-info { flex: 1; line-height: 1.7; }
.mistake-desc { color: #8b949e; font-size: .85rem; }
.mistake-desc code { font-family: var(--font-code); color: var(--err); }
.mistake-row .retry { margin: 0; padding: 8px 16px; }

/* 设置与存档 */
.settings-list, .save-card { background: var(--panel); border: 1px solid #30363d; border-radius: 14px; padding: 20px; margin-bottom: 14px; }
.setting-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; }
.toggle { border: 1px solid #30363d; background: #161b22; color: #8b949e; border-radius: 8px; padding: 6px 18px; cursor: pointer; }
.toggle.on { background: rgba(63,185,80,.15); border-color: var(--ok); color: var(--ok); }
.fs-group { display: flex; gap: 8px; }
.fs-btn { border: 1px solid #30363d; background: #161b22; color: #8b949e; border-radius: 8px; padding: 6px 14px; cursor: pointer; }
.fs-btn.sel { border-color: var(--accent); color: var(--accent); }
.save-card textarea { width: 100%; height: 90px; background: #0b0f14; border: 1px solid #30363d; border-radius: 8px; color: #8b949e; font-family: var(--font-code); font-size: .8rem; padding: 10px; margin: 10px 0; resize: vertical; }
.save-note { color: #8b949e; font-size: .85rem; margin: 4px 0; }
.save-card.danger { border-color: rgba(248,81,73,.4); }