/* ===== 基礎 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0e1220;
  --panel: rgba(20, 26, 46, 0.85);
  --accent: #ffcf5c;
  --accent2: #6ad7ff;
  --good: #5ce08a;
  --bad: #ff6b7a;
  --text: #eef1fb;
  --muted: #9aa3c2;
}
html, body {
  height: 100%;
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}
#app { height: 100vh; width: 100vw; position: relative; }

/* ===== 畫面切換 ===== */
.screen {
  position: absolute; inset: 0;
  display: none;
  animation: fade .4s ease;
}
.screen.active { display: flex; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ===== 大廳 ===== */
#lobby {
  align-items: center; justify-content: center;
  background:
    linear-gradient(to bottom, rgba(14,18,32,.74), rgba(14,18,32,.90)),
    url("../image/封面.png") center / cover no-repeat,
    var(--bg);
}
.lobby-inner { text-align: center; max-width: 520px; padding: 24px; }
.title-block { margin-bottom: 42px; }
.game-title {
  font-size: 64px; letter-spacing: 8px; font-weight: 800;
  background: linear-gradient(120deg, var(--accent), #ff8a5c, var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 8px 40px rgba(255,207,92,.15);
}
/* 把「駱」字單獨點亮，蓋掉漸層文字的透明填色 */
.game-title .hl {
  -webkit-text-fill-color: #ff5d73;
  color: #ff5d73;
  text-shadow: 0 0 26px rgba(255, 93, 115, .55);
}
.game-subtitle { color: var(--muted); margin-top: 12px; letter-spacing: 2px; }
.menu { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.menu-btn {
  width: 280px; padding: 15px 20px; font-size: 18px; cursor: pointer;
  color: var(--text); background: var(--panel);
  border: 1px solid rgba(255,255,255,.12); border-radius: 14px;
  transition: .18s; letter-spacing: 2px; backdrop-filter: blur(6px);
}
.menu-btn:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 8px 28px rgba(255,207,92,.18); }
.menu-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; border-color: rgba(255,255,255,.12);}
.save-hint { color: var(--accent2); margin-top: 22px; min-height: 20px; font-size: 14px; }
.lobby-footer { margin-top: 30px; color: var(--muted); font-size: 13px; letter-spacing: 1px; }

/* ===== HUD ===== */
#game { flex-direction: column; }
.hud {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: rgba(8,11,22,.7);
  border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(8px); z-index: 5;
}
.hud-left { display: flex; align-items: baseline; gap: 12px; }
.hud-chapter { font-weight: 700; color: var(--accent); letter-spacing: 2px; }
.hud-course { color: var(--muted); font-size: 14px; }
.hud-right { display: flex; align-items: center; gap: 12px; }
.hud-stat { font-size: 14px; color: var(--accent2); }
.hud-stat b { color: var(--text); }
.hud-fatigue { color: var(--bad); }
.hud-fatigue:empty { display: none; }
.hud-btn {
  background: var(--panel); color: var(--text); border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px; padding: 7px 12px; cursor: pointer; font-size: 15px; transition: .15s;
}
.hud-btn:hover { border-color: var(--accent); }

/* ===== 舞台 ===== */
.stage { flex: 1; position: relative; display: flex; align-items: flex-end; overflow: hidden; }
.scene-bg {
  position: absolute; inset: 0; transition: background .4s ease;
  background: radial-gradient(900px 500px at 50% 20%, #283154, var(--bg));
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.scene-bg.bg-campus  { background: radial-gradient(900px 500px at 50% 10%, #3a4f7a, #16203a); }
.scene-bg.bg-class   { background: radial-gradient(900px 500px at 50% 0%, #4a3f6e, #1b1830); }
.scene-bg.bg-library { background: radial-gradient(900px 500px at 50% 10%, #5a4730, #211a12); }
.scene-bg.bg-dorm    { background: radial-gradient(900px 500px at 60% 20%, #2c4a4a, #11201f); }
.scene-bg.bg-night   { background: radial-gradient(700px 500px at 50% 120%, #1d2a55, #06080f); }
.scene-bg.bg-exam    { background: radial-gradient(900px 600px at 50% 0%, #6e2f3a, #1c1014); }

.dialogue-wrap {
  position: relative; z-index: 2; width: 100%;
  margin: 0 auto; max-width: 860px; padding: 22px 26px 34px;
  max-height: 100%; overflow-y: auto;   /* 內容過高時（如考試 6 件道具）改成內部捲動，不再被裁切 */
}
.dialogue-wrap::-webkit-scrollbar { width: 8px; }
.dialogue-wrap::-webkit-scrollbar-thumb { background: rgba(255,255,255,.18); border-radius: 8px; }
.speaker {
  display: inline-block; font-weight: 700; color: var(--accent);
  background: rgba(8,11,22,.92); padding: 6px 16px; border-radius: 10px 10px 0 0;
  border: 1px solid rgba(255,255,255,.12); border-bottom: none; letter-spacing: 1px;
  min-height: 33px; text-shadow: 0 1px 3px rgba(0,0,0,.6);
}
.speaker:empty { display: none; }
.dialogue {
  background: rgba(8,11,22,.92); border: 1px solid rgba(255,255,255,.14);
  border-radius: 0 14px 14px 14px; padding: 22px 24px; font-size: 19px; line-height: 1.9;
  min-height: 110px; letter-spacing: .5px; backdrop-filter: blur(4px); white-space: pre-line;
  text-shadow: 0 1px 3px rgba(0,0,0,.5); box-shadow: 0 10px 40px rgba(0,0,0,.45);
}
.continue-tip { text-align: right; color: #cfd6ee; font-size: 13px; margin-top: 8px;
  animation: blink 1.3s infinite; text-shadow: 0 1px 3px rgba(0,0,0,.8); }
@keyframes blink { 50% { opacity: .35; } }
.continue-tip.hidden { display: none; }

/* ===== 選項 ===== */
.choices { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.choice {
  text-align: left; padding: 14px 18px; font-size: 16px; cursor: pointer;
  background: rgba(16,21,38,.94); color: var(--text);
  border: 1px solid rgba(255,255,255,.16); border-radius: 12px; transition: .15s; line-height: 1.5;
  text-shadow: 0 1px 2px rgba(0,0,0,.5);
}
.choice:hover { border-color: var(--accent); transform: translateX(4px); background: rgba(40,48,80,.97); }
.choice .tag { float: right; font-size: 12px; color: var(--accent2); margin-left: 10px; }
.choice.locked { opacity: .5; cursor: not-allowed; }
.choice.locked:hover { transform: none; border-color: rgba(255,255,255,.14); }

/* ===== 結算 ===== */
#result { align-items: center; justify-content: center;
  background: radial-gradient(900px 600px at 50% 0%, #2a2150, var(--bg));
  background-size: cover; background-position: center; background-repeat: no-repeat; }
.result-inner { text-align: center; max-width: 600px; padding: 30px; }
.result-verdict { font-size: 54px; letter-spacing: 6px; margin-bottom: 24px; text-shadow: 0 2px 12px rgba(0,0,0,.7); }
.result-verdict.pass { color: var(--good); }
.result-verdict.warn { color: var(--accent); }
.result-verdict.makeup { color: #ffa94d; }
.result-verdict.fail { color: var(--bad); }
.result-scores { display: flex; gap: 14px; justify-content: center; margin-bottom: 18px; flex-wrap: wrap; }
.score-card {
  background: var(--panel); border: 1px solid rgba(255,255,255,.12); border-radius: 14px;
  padding: 16px 24px; min-width: 120px;
}
.score-card .lbl { color: var(--muted); font-size: 14px; }
.score-card .val { font-size: 34px; font-weight: 800; margin-top: 6px; }
.result-avg { font-size: 22px; margin-bottom: 18px; }
.result-avg b { color: var(--accent); font-size: 30px; }
.result-story { color: var(--text); line-height: 1.9; font-size: 17px; margin-bottom: 28px;
  background: rgba(8,11,22,.7); padding: 20px; border-radius: 14px; white-space: pre-line;
  border: 1px solid rgba(255,255,255,.1); }
.result-actions { display: flex; gap: 14px; justify-content: center; }
.result-actions .menu-btn { width: auto; padding: 13px 28px; }

/* ===== 彈窗 ===== */
.modal {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(0,0,0,.66); z-index: 20; backdrop-filter: blur(3px);
}
.modal.active { display: flex; animation: fade .25s; }
.modal-box {
  background: #161c33; border: 1px solid rgba(255,255,255,.16); border-radius: 18px;
  padding: 28px; max-width: 480px; width: 90%; max-height: 80vh; overflow-y: auto;
}
.modal-box h3 { color: var(--accent); margin-bottom: 16px; letter-spacing: 2px; }
.modal-close {
  margin-top: 20px; padding: 11px 22px; cursor: pointer; width: 100%;
  background: var(--panel); color: var(--text); border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px; font-size: 15px;
}
.modal-close:hover { border-color: var(--accent); }

/* 道具列表 / 考試用道具 */
.item-row {
  display: flex; align-items: center; gap: 14px; padding: 12px;
  border: 1px solid rgba(255,255,255,.14); border-radius: 12px; margin-bottom: 10px;
  background: rgba(16,21,38,.94);
}
.item-row .icon { font-size: 30px; }
.item-row .info { flex: 1; }
.item-row .info .nm { font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
.item-row .info .ds { color: #b6bedb; font-size: 13px; margin-top: 3px; }
.item-row .use-btn {
  background: var(--good); color: #06140b; border: none; border-radius: 9px;
  padding: 8px 14px; cursor: pointer; font-weight: 700; white-space: nowrap;
}
.item-row .use-btn:hover { filter: brightness(1.1); }
.item-row.used { opacity: .45; }
.item-row .used-tag { color: var(--good); font-size: 13px; }
.empty-note { color: #cfd6ee; text-align: center; padding: 20px; text-shadow: 0 1px 3px rgba(0,0,0,.7); }

/* 考試題目 */
.exam-q { margin-bottom: 16px; }
.exam-q .q-text { font-size: 17px; line-height: 1.7; margin-bottom: 12px; }
.exam-opt {
  display: block; width: 100%; text-align: left; padding: 12px 16px; margin-bottom: 8px;
  background: rgba(16,21,38,.94); color: var(--text); border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px; cursor: pointer; transition: .15s; text-shadow: 0 1px 2px rgba(0,0,0,.5);
}
.exam-opt:hover { border-color: var(--accent); }
.exam-opt.correct { border-color: var(--good); background: rgba(92,224,138,.15); }
.exam-opt.wrong { border-color: var(--bad); background: rgba(255,107,122,.15); }
.exam-opt:disabled { cursor: default; }

/* ===== 飄分 ===== */
.toast {
  position: absolute; top: 70px; left: 50%; transform: translateX(-50%);
  background: rgba(8,11,22,.92); border: 1px solid var(--accent); color: var(--accent);
  padding: 10px 22px; border-radius: 30px; font-weight: 700; z-index: 30;
  opacity: 0; pointer-events: none; transition: .3s; letter-spacing: 1px;
}
.toast.show { opacity: 1; top: 80px; }
.toast.good { border-color: var(--good); color: var(--good); }
.toast.bad { border-color: var(--bad); color: var(--bad); }

/* ===== 響應式 ===== */
@media (max-width: 600px) {
  .game-title { font-size: 44px; }
  .dialogue { font-size: 17px; }
  .menu-btn { width: 240px; }
  .result-verdict { font-size: 40px; }
}