/* ============================================================
 * screens.css — 各畫面版面樣式
 * AI許願師－iPAS AI考證大冒險
 * ------------------------------------------------------------
 * 本檔依畫面分區：首頁（第四階段）→ 之後各階段畫面陸續加入
 * ============================================================ */

/* ==========================================================
 * 首頁 HOME
 * 版面：置中 LOGO＋主選單，嘉泰老師立於右側迎接，
 *       右上登入狀態、底部品牌列
 * ========================================================== */

.home {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ---- LOGO 區 ---- */
.home__logo {
  text-align: center;
  margin-bottom: 10px;
  animation: logo-drop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes logo-drop {
  from { opacity: 0; transform: translateY(-40px) scale(0.8); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.home__logo-main {
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  color: #fff;
  text-shadow:
    0 0 8px var(--neon-cyan),
    0 0 24px var(--neon-cyan),
    0 0 60px rgba(41, 230, 255, 0.5);
  animation: logo-breathe 3s ease-in-out infinite;
}
@keyframes logo-breathe {
  50% { text-shadow: 0 0 12px var(--neon-cyan), 0 0 36px var(--neon-cyan), 0 0 80px rgba(41, 230, 255, 0.8); }
}
.home__logo-sub {
  margin-top: 6px;
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.34em;
  color: var(--gold);
  text-shadow: var(--glow-gold);
}
.home__logo-en {
  margin-top: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--text-dim);
}

/* ---- 主選單 ---- */
.home__menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: menu-rise 0.7s ease 0.25s both;
}
@keyframes menu-rise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* 開始遊戲：主 CTA，比其他按鈕大且會呼吸 */
.home__start {
  min-width: 280px;
  font-size: 1.25rem;
  padding: 1em 2em;
  animation: start-pulse 2s ease-in-out infinite;
}
@keyframes start-pulse {
  50% { box-shadow: 0 0 16px rgba(255, 213, 74, 0.9), 0 0 40px rgba(255, 213, 74, 0.4), inset 0 0 12px rgba(255, 213, 74, 0.2); }
}
/* 次選單：兩欄格狀 */
.home__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 10px;
  width: min(420px, calc(100vw - 40px));
}
.home__grid .btn {
  min-width: 0;
  font-size: 0.92rem;
  padding: 0.7em 0.5em;
}

/* ---- 嘉泰老師迎賓區（右側） ---- */
.home__teacher {
  position: absolute;
  right: clamp(8px, 4vw, 60px);
  bottom: 90px;
  width: clamp(150px, 20vw, 240px);
  text-align: center;
  animation: teacher-in 0.9s ease 0.5s both;
}
@keyframes teacher-in {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}
.home__teacher-figure {
  width: 100%;
  aspect-ratio: 1;
  animation: teacher-float 3.2s ease-in-out infinite;
  filter: drop-shadow(0 10px 24px rgba(41, 230, 255, 0.25));
  cursor: pointer;
}
@keyframes teacher-float {
  50% { transform: translateY(-12px); }
}
.home__teacher-figure img,
.home__teacher-figure svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
/* 真人封面照：去背透明浮空立繪 */
.home__teacher-figure .teacher-cover { object-fit: contain; }
/* 迎賓對話泡泡 */
.home__teacher-bubble {
  position: relative;
  margin-top: 2px;
  padding: 10px 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-panel);
  border: 1.5px solid var(--gold);
  border-radius: 14px;
  box-shadow: 0 0 12px rgba(255, 213, 74, 0.3);
  animation: fade-in 0.4s ease 1.2s both;
}
.home__teacher-bubble::before {   /* 泡泡尖角朝上指向老師 */
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-bottom-color: var(--gold);
  border-top: none;
}
.home__teacher-name {
  margin-top: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---- 右上登入狀態 ---- */
.home__login {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.85rem;
  background: var(--bg-panel);
  border: 1.5px solid rgba(77, 141, 255, 0.5);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.home__login:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

/* ---- 底部品牌列 ---- */
.home__footer {
  position: absolute;
  bottom: 14px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  opacity: 0.75;
}
/* 開發模式（?debug）時避開測試列 */
body.has-debug .home__footer { bottom: 62px; }

/* ---- 手機直式：老師移到 LOGO 下、縮小 ---- */
@media (max-width: 720px) {
  .home__teacher {
    position: static;
    width: 130px;
    margin-top: 4px;
    order: 3;
  }
  .home__teacher-bubble { display: none; }  /* 小螢幕省空間 */
  .home { justify-content: flex-start; padding-top: 48px; }
}

/* ==========================================================
 * 登入 LOGIN（第五階段）
 * ========================================================== */
.login {
  width: min(440px, calc(100vw - 32px));
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  text-align: center;
}
.login__avatar {
  width: 84px;
  height: 84px;
  margin: 0 auto 10px;
  border-radius: 50%;
  border: 2.5px solid var(--gold);
  overflow: hidden;
  background: var(--bg-mid);
  box-shadow: var(--glow-gold);
}
.login__avatar img, .login__avatar svg { width: 100%; height: 100%; }
.login__avatar .teacher-img { object-fit: cover; transform: scale(1.32); transform-origin: 50% 16%; }
/* 真人照片：已預先裁成方形臉部特寫，置中即可 */
.login__avatar .teacher-photo { object-fit: cover; object-position: 50% 42%; }
/* Gemini AI Certified Educator 認證徽章 */
.login__badge { margin: 12px auto 2px; line-height: 0; }
.login__badge img { width: clamp(96px, 30vw, 120px); height: auto; display: inline-block; }
.login__copyright {
  margin: 8px auto 0;
  font-size: 0.62rem;
  line-height: 1.5;
  color: var(--text-dim);
  opacity: 0.75;
  letter-spacing: 0.05em;
}
.login__title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--neon-cyan);
  letter-spacing: 0.15em;
}
.login__sub {
  margin: 6px 0 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.login__section-label {
  margin: 12px 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-align: left;
}
.login__saves { display: flex; flex-direction: column; gap: 8px; }
.login__save {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  font-family: inherit;
  color: var(--text-main);
  background: var(--bg-panel-light);
  border: 1.5px solid rgba(41, 230, 255, 0.4);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.login__save:hover { border-color: var(--neon-cyan); transform: translateX(4px); }
.login__save-name { font-weight: 900; }
.login__save-meta { font-size: 0.75rem; color: var(--text-dim); }
.login__input {
  width: 100%;
  margin-top: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.4);
  border: 1.5px solid rgba(77, 141, 255, 0.5);
  border-radius: var(--radius-sm);
  outline: none;
}
.login__input:focus { border-color: var(--neon-cyan); box-shadow: var(--glow-cyan); }
.login__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}
.login__back { margin-top: 14px; }

/* ==========================================================
 * 世界地圖 WORLDMAP（第九階段雛形）
 * ========================================================== */
.wmap { max-width: 640px; margin: 0 auto; }
.wmap__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.wmap__title { font-size: 1.3rem; }
.wmap__path {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
/* 章節之間的連接虛線（冒險路線感） */
.wmap__path::before {
  content: '';
  position: absolute;
  left: 37px;
  top: 30px;
  bottom: 30px;
  border-left: 2px dashed rgba(41, 230, 255, 0.3);
}
.wmap__node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-panel);
  border: 2px solid rgba(77, 141, 255, 0.45);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.wmap__node:hover:not(.wmap__node--locked) {
  transform: translateX(6px);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}
.wmap__node--locked { opacity: 0.55; cursor: not-allowed; }
.wmap__node--cleared { border-color: rgba(255, 213, 74, 0.6); }
.wmap__node-emoji {
  font-size: 2.2rem;
  width: 48px;
  text-align: center;
  filter: drop-shadow(0 0 8px rgba(41, 230, 255, 0.5));
}
.wmap__node-body { flex: 1; min-width: 0; }
.wmap__node-name { font-weight: 900; letter-spacing: 0.06em; }
.wmap__node-sub { font-size: 0.78rem; color: var(--text-dim); margin: 3px 0 6px; }
.wmap__node-meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.wmap__node-meta .chip { font-size: 0.7rem; padding: 2px 10px; }
.wmap__stars { color: var(--gold); font-size: 0.95rem; letter-spacing: 2px; }
.wmap__star-off { color: rgba(255, 255, 255, 0.18); }
.wmap__node-go {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-cyan);
  white-space: nowrap;
}

/* ==========================================================
 * 結算 RESULT
 * ========================================================== */
.result {
  width: min(480px, calc(100vw - 32px));
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  text-align: center;
}
.result__title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.result__title--win { color: var(--gold); text-shadow: var(--glow-gold); }
.result__title--lose { color: var(--neon-purple); text-shadow: var(--glow-purple); }
.result__chapter { margin: 6px 0 12px; color: var(--text-dim); font-size: 0.9rem; }
.result__stars { margin-bottom: 14px; }
.result__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.result__stat {
  padding: 10px 4px;
  background: var(--bg-panel-light);
  border-radius: var(--radius-sm);
}
.result__stat b { display: block; font-size: 1.15rem; color: var(--neon-cyan); }
.result__stat span { font-size: 0.7rem; color: var(--text-dim); }
.result__levelup {
  margin-bottom: 12px;
  padding: 8px;
  font-weight: 900;
  color: var(--gold);
  background: rgba(255, 213, 74, 0.1);
  border: 1px solid rgba(255, 213, 74, 0.5);
  border-radius: var(--radius-sm);
  animation: correct-pulse 0.6s ease;
}
.result__teacher {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  text-align: left;
  background: rgba(255, 213, 74, 0.06);
  border: 1px solid rgba(255, 213, 74, 0.35);
  border-radius: var(--radius-sm);
}
.result__teacher-avatar {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  overflow: hidden;
  background: var(--bg-mid);
}
.result__teacher-avatar img, .result__teacher-avatar svg { width: 100%; height: 100%; }
.result__teacher-avatar .teacher-img { object-fit: cover; transform: scale(2); transform-origin: 50% 24%; }
.result__teacher-avatar .teacher-photo { object-fit: cover; object-position: 50% 40%; }
.result__teacher-words { font-size: 0.88rem; line-height: 1.7; }
.result__actions { display: flex; gap: 10px; justify-content: center; }

/* ==========================================================
 * 角色畫面 CHARACTER（第六階段）
 * ========================================================== */
.chara { max-width: 680px; margin: 0 auto; }
.chara__status {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.chara__status-left { flex: 1; min-width: 240px; }
.chara__pname { font-size: 1.2rem; font-weight: 900; }
.chara__stat-rows { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-dim); }
.chara__stat-rows b { color: var(--text-main); }
.chara__section-label {
  margin: 16px 0 10px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.chara__partners {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.chara__card {
  display: flex;
  gap: 12px;
  padding: 14px;
  margin-bottom: 0;
}
.chara__card--mentor { border-color: rgba(255, 213, 74, 0.55); }
.chara__card--active {
  border-color: var(--gold);
  box-shadow: var(--glow-gold);
}
.chara__card-portrait {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-mid);
}
.chara__card-portrait img, .chara__card-portrait svg { width: 100%; height: 100%; }
.chara__card-portrait .teacher-img { object-fit: contain; }
.chara__card-body { flex: 1; min-width: 0; }
.chara__card-name { font-weight: 900; }
.chara__card-role { font-size: 0.75rem; color: var(--text-dim); margin: 2px 0 8px; }
.chara__card-skills { margin-bottom: 8px; }
.chara__skill {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: 3px;
}
.chara__skill b { color: var(--text-main); }

/* ==========================================================
 * 錯題本 WRONGBOOK
 * ========================================================== */
.wbook { max-width: 640px; margin: 0 auto; }
.wbook__tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.wbook__tab {
  flex: 1;
  padding: 10px 6px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--bg-panel);
  border: 1.5px solid rgba(77, 141, 255, 0.4);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}
.wbook__tab--on {
  color: var(--bg-deep);
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}
.wbook__card { padding: 14px 16px; margin-bottom: 12px; }
.wbook__card-head { cursor: pointer; }
.wbook__card-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.wbook__card-meta .chip { font-size: 0.7rem; padding: 2px 10px; }
.wbook__card-q { font-size: 0.9rem; line-height: 1.7; font-weight: 700; }
.wbook__card-expand {
  margin-top: 6px;
  font-size: 0.72rem;
  color: var(--neon-cyan);
}
.wbook__card-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ==========================================================
 * 每日挑戰 DAILY
 * ========================================================== */
.daily {
  width: min(480px, calc(100vw - 32px));
  text-align: center;
}
.daily__streak { margin: 14px 0; font-size: 1.05rem; }
.daily__streak b { color: var(--gold); font-size: 1.4rem; }
.daily__desc {
  margin: 14px 0;
  padding: 12px;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-dim);
  background: rgba(255, 213, 74, 0.06);
  border: 1px solid rgba(255, 213, 74, 0.3);
  border-radius: var(--radius-sm);
}
.daily__done {
  margin: 14px 0;
  padding: 14px;
  font-weight: 900;
  color: var(--success);
  background: rgba(61, 255, 160, 0.08);
  border: 1px solid rgba(61, 255, 160, 0.4);
  border-radius: var(--radius-sm);
}
.daily-quiz {
  width: min(680px, calc(100vw - 28px));
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.daily-quiz__head { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }

/* ==========================================================
 * 設定 SETTINGS
 * ========================================================== */
.settings { width: min(480px, calc(100vw - 32px)); }
.settings__row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.settings__row label {
  flex: 0 0 110px;
  font-size: 0.9rem;
  font-weight: 700;
}
.settings__row input[type="range"] {
  flex: 1;
  accent-color: var(--neon-cyan);
}
.settings__row span { min-width: 44px; text-align: right; font-size: 0.85rem; color: var(--text-dim); }
.settings__row--danger { padding-top: 8px; border-top: 1px dashed rgba(255, 84, 112, 0.3); }
.settings__about {
  margin: 18px 0;
  padding: 14px;
  font-size: 0.8rem;
  line-height: 1.9;
  text-align: center;
  color: var(--text-dim);
  background: var(--bg-panel-light);
  border-radius: var(--radius-sm);
}
.settings__about b { color: var(--neon-cyan); }

/* ==========================================================
 * 排行榜 RANKING
 * ========================================================== */
.ranking { width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 90px); overflow-y: auto; }
.ranking__table { display: flex; flex-direction: column; gap: 6px; }
.ranking__row {
  display: grid;
  grid-template-columns: 52px 1fr 48px 48px 64px;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  font-size: 0.9rem;
  background: var(--bg-panel-light);
  border-radius: var(--radius-sm);
  text-align: center;
}
.ranking__row--head {
  background: none;
  font-size: 0.72rem;
  color: var(--text-dim);
  padding: 4px 12px;
}
.ranking__row--me {
  border: 1.5px solid var(--gold);
  box-shadow: var(--glow-gold);
}
.ranking__name { text-align: left; font-weight: 700; }
.ranking__name small { color: var(--text-dim); font-weight: 400; }

/* ==========================================================
 * 模擬考 EXAM ＋ 證書
 * ========================================================== */
.exam { max-width: 680px; margin: 0 auto; }
.exam__modes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin: 14px 0;
}
.exam__mode {
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.exam__mode:hover {
  transform: translateY(-4px);
  border-color: var(--mode-color);
  box-shadow: 0 0 16px var(--mode-color);
}
.exam__mode-emoji { font-size: 2.4rem; margin-bottom: 6px; }
.exam__mode-name { font-weight: 900; font-size: 1.1rem; letter-spacing: 0.1em; }
.exam__mode-desc { margin-top: 6px; font-size: 0.78rem; color: var(--text-dim); line-height: 1.7; }
.exam__history-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  border-bottom: 1px dashed rgba(143, 162, 204, 0.2);
}
.exam__history-row:last-child { border-bottom: none; }

/* 合格證書：金色雙框＋緞面質感 */
.cert {
  padding: 8px;
  background: linear-gradient(135deg, #d9a94c, #ffd54a, #b8860b, #ffd54a);
  border-radius: var(--radius);
  box-shadow: var(--glow-gold), 0 14px 40px rgba(0, 0, 0, 0.6);
  animation: teacher-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.cert__inner {
  padding: 26px 22px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 213, 74, 0.12), transparent 60%),
    var(--bg-mid);
  border: 1.5px solid rgba(255, 213, 74, 0.6);
  border-radius: 8px;
}
.cert__title {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--gold);
  text-shadow: var(--glow-gold);
}
.cert__sub {
  margin: 6px 0 16px;
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}
.cert__name {
  font-size: 1.9rem;
  font-weight: 900;
  color: #fff;
  border-bottom: 2px solid rgba(255, 213, 74, 0.5);
  display: inline-block;
  padding: 0 24px 6px;
  margin-bottom: 14px;
}
.cert__text { font-size: 0.9rem; line-height: 2; color: var(--text-main); }
.cert__text b { color: var(--gold); font-size: 1.3rem; }
.cert__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.cert__seal {
  width: 62px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.4;
  color: #ff5470;
  border: 2.5px solid #ff5470;
  border-radius: 50%;
  transform: rotate(-12deg);
  opacity: 0.9;
}