/* ============================================================
   Mia-English 设计系统（正式版）
   ============================================================ */

:root {
  /* 色彩 */
  --primary: #FDB7CE;
  --primary-deep: #A85B76;
  --gradient-primary: linear-gradient(180deg, #F397BB 0%, #FDB7CE 32%, #FDB7CE 69%, #F397BB 100%);
  --gradient-progress: linear-gradient(-90deg, #EA749E 0%, #FDB7CE 50%, #EA749E 100%);
  --bg: #FDF6F7;
  --card: #FFFFFF;
  --ink: #7A5F52;
  --ink-soft: #B6998C;
  --line: #EBD9DA;
  --pink-soft: #FCEAF1;
  --pink-bubble: #FBEAF0;
  --lavender: #C3B9FA;
  --yellow: #FEE6A5;
  --mint: #C8EDD3;
  --green: #4CD97B;
  --red: #FF6B6B;
  --on-primary: #5D463A;

  /* 光晕 */
  --glow: radial-gradient(ellipse 50% 50% at 50% 50%, #FBE4D0 0%, #FDF1DF 55%, rgba(251,228,208,0) 100%);

  /* 圆角 */
  --r-card: 20px;
  --r-btn: 30px;
  --r-pill: 999px;
  --r-bubble: 18px;

  /* 阴影 */
  --shadow-soft: 0 3px 10px rgba(0,0,0,.05);
  --shadow-btn: 0 5px 14px rgba(182,153,140,.33);
  --shadow-mic: 0 6px 16px rgba(182,153,140,.40);

  /* 尺寸 */
  --screen-w: 390px;
  --btn-h: 56px;
  --ghost-h: 52px;
  --mic-size: 84px;
  --tag-h: 32px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Inter, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: #F3ECE0; color: var(--ink); -webkit-font-smoothing: antialiased; }
button { font-family: inherit; border: none; cursor: pointer; }

/* 屏容器 */
.screen { width: var(--screen-w); min-height: 100vh; background: var(--bg); display: none; flex-direction: column; overflow: hidden; margin: 0 auto; }
.screen.active { display: flex; }

/* 通用布局 */
.content { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 8px 20px 30px; flex: 1; }
.row { display: flex; align-items: center; }
.topbar { width: 100%; display: flex; justify-content: space-between; align-items: center; }

/* 顶部栏 */
.back { width: 44px; height: 44px; border-radius: 22px; background: var(--card); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--ink); box-shadow: 0 3px 8px rgba(0,0,0,.08); text-decoration: none; }

/* 标签 */
.tag { height: var(--tag-h); border-radius: 16px; display: inline-flex; align-items: center; padding: 0 14px; font-size: 13px; font-weight: 700; color: var(--on-primary); background: var(--gradient-primary); }
.tag--lavender { background: var(--lavender); }
.tag--yellow  { background: var(--yellow); }
.tag--mint    { background: var(--mint); }

/* 按钮 */
.btn { width: 100%; height: var(--btn-h); border-radius: var(--r-btn); background: var(--gradient-primary); color: var(--on-primary); font-size: 17px; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-btn); }
.btn--ghost { background: var(--card); border: 2px solid var(--line); color: var(--ink); font-size: 16px; font-weight: 600; height: var(--ghost-h); border-radius: 26px; box-shadow: none; }

/* 头像 + 光晕 */
.avatar-stage { width: 260px; height: 300px; background: var(--glow); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.avatar { width: 150px; height: 150px; border-radius: 50%; background: linear-gradient(160deg, #FFD9AE, #FDB7CE 60%, #F397BB); display: flex; align-items: center; justify-content: center; font-size: 78px; box-shadow: 0 10px 24px rgba(243,151,187,.4); }
.avatar--sm { width: 32px; height: 32px; font-size: 17px; border-radius: 50%; flex: none; }

/* 文本 */
.title { font-size: 26px; }
.title--md { font-size: 24px; }
.sub { font-size: 13px; color: var(--ink-soft); }

/* 进度条 */
.progress { width: 350px; height: 10px; border-radius: 5px; background: #F8E4E9; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--gradient-progress); border-radius: 5px; }

/* 卡片 */
.card { background: var(--card); border-radius: var(--r-card); padding: 16px; box-shadow: var(--shadow-soft); width: 100%; }
.hint { background: var(--pink-soft); border-radius: 16px; padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--ink-soft); width: 100%; text-align: center; }

/* 小胶囊 */
.pill { height: 44px; border-radius: 22px; background: var(--pink-soft); display: inline-flex; align-items: center; gap: 5px; padding: 0 12px; font-size: 12px; font-weight: 700; color: var(--primary-deep); }
.pill--on { background: var(--gradient-primary); color: var(--on-primary); }
.tool { height: 34px; border-radius: 17px; background: var(--pink-soft); display: inline-flex; align-items: center; gap: 5px; padding: 0 12px; font-size: 12px; font-weight: 700; color: var(--primary-deep); }

/* 录音区 */
.record { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.mic { width: var(--mic-size); height: var(--mic-size); border-radius: 50%; background: var(--gradient-primary); display: flex; align-items: center; justify-content: center; font-size: 34px; color: var(--on-primary); box-shadow: var(--shadow-mic); touch-action: none; }
.hold { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.listening { display: inline-flex; align-items: center; gap: 6px; background: #FFE3E6; border-radius: 999px; padding: 5px 14px; font-size: 13px; }
.listening i { width: 8px; height: 8px; border-radius: 50%; background: #FF5A5A; }
.listening--active { background: #FFD0D6; box-shadow: 0 0 0 3px rgba(255,90,90,.15); }
.listening--active i { animation: listen-pulse 1s ease-in-out infinite; }
@keyframes listen-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(1.35); }
}

/* 对话面板 */
.panel { background: var(--card); border-radius: 24px; padding: 16px; box-shadow: 0 4px 14px rgba(0,0,0,.06); width: 100%; display: flex; flex-direction: column; gap: 12px; }
.turn { text-align: center; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.bubble { border-radius: var(--r-bubble); padding: 14px; font-size: 15px; }
.bubble--mia { background: var(--pink-bubble); color: var(--ink); border-radius: 18px 18px 18px 6px; }
.bubble--user { background: var(--gradient-primary); color: var(--on-primary); border-radius: 18px 18px 6px 18px; }
.bubble-row { display: flex; align-items: center; gap: 10px; }
.bubble-row--right { justify-content: flex-end; }
.tools { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.tools--left { justify-content: flex-start; padding-left: 42px; }

/* 场景轮播 */
.carousel { position: relative; width: 100%; height: 272px; }
.scene-card { position: absolute; top: 6px; width: 280px; height: 260px; background: var(--card); border-radius: 24px; box-shadow: 0 5px 14px rgba(0,0,0,.08); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; }
.scene-card .emoji { font-size: 54px; }
.scene-card .name { font-size: 24px; font-weight: 700; }
.scene-card .en, .scene-card .desc { font-size: 13px; color: var(--ink-soft); }
.scene-card .badge { height: 28px; border-radius: 14px; padding: 0 14px; display: inline-flex; align-items: center; font-size: 12px; font-weight: 700; }
.scene-card--prev { left: -220px; opacity: .55; }
.scene-card--cur  { left: 35px; }
.scene-card--next { left: 290px; opacity: .55; }
.dots { display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #F0DFE2; }
.dot--on { background: var(--gradient-primary); }

/* ---------- 16. 来电页 ---------- */
.call-label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.rings { width: 300px; height: 312px; position: relative; display: flex; align-items: center; justify-content: center; }
.ring { position: absolute; border: 2px solid var(--primary); border-radius: 50%; }
.ring--1 { width: 280px; height: 280px; opacity: .55; }
.ring--2 { width: 246px; height: 246px; opacity: .38; }
.ring--3 { width: 212px; height: 212px; opacity: .25; }
.call-btns { display: flex; gap: 48px; }
.call-btn { width: 68px; height: 68px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #fff; box-shadow: 0 4px 12px rgba(0,0,0,.15); flex-direction: column; }
.call-btn--red { background: var(--red); }
.call-btn--green { background: var(--green); }

/* ---------- 17. 总结统计 ---------- */
.stats { display: flex; gap: 12px; width: 100%; }
.stat { flex: 1; background: var(--card); border-radius: 16px; padding: 14px 8px; text-align: center; box-shadow: 0 2px 6px rgba(0,0,0,.03); }
.stat b { display: block; font-size: 24px; color: var(--primary-deep); }
.stat span { font-size: 12px; color: var(--ink-soft); }

/* ---------- 18. 课程卡 ---------- */
.scene-list { display: flex; flex-direction: column; gap: 16px; width: 100%; }
.scene-item { display: flex; align-items: center; gap: 14px; padding: 16px; background: var(--card); border-radius: var(--r-card); box-shadow: var(--shadow-soft); }
.scene-item .info { flex: 1; }
.scene-item .info b { display: block; font-size: 17px; }
.scene-item .info span { font-size: 13px; color: var(--ink-soft); }
.status-ok { color: #2E7D5B; } .status-avail { color: #5E53B0; } .status-lock { color: var(--ink-soft); }

/* ---------- 19. 付费墙 ---------- */
.benefit { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--card); border-radius: 16px; box-shadow: 0 2px 6px rgba(0,0,0,.03); width: 100%; font-size: 15px; font-weight: 600; }
.benefit .ck { width: 24px; height: 24px; border-radius: 50%; background: #4FA07F; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; flex: none; }
.price { width: 100%; background: var(--gradient-primary); border-radius: 24px; padding: 22px 18px; text-align: center; box-shadow: 0 6px 16px rgba(182,153,140,.33); }
.price b { font-size: 30px; color: var(--on-primary); display: block; }
.price span { font-size: 13px; color: var(--on-primary); }

/* ---------- 20. 底部 Tab 栏 ---------- */
.tabbar { margin-top: auto; border-top: 1px solid var(--line); display: flex; justify-content: space-around; padding: 10px 0 14px; font-size: 12px; color: var(--ink-soft); }
.tabbar .tab { display: flex; flex-direction: column; gap: 3px; align-items: center; }
.tabbar .tab b { font-size: 20px; color: var(--primary-deep); }
.tabbar .tab--active { color: var(--ink); }
.tabbar .tab--active b { color: var(--ink); }

/* ---------- 21. 展示页排版（可选：多屏并排） ---------- */
.stage { display: flex; flex-wrap: wrap; gap: 32px; justify-content: center; align-items: flex-start; padding: 40px 24px; }
.stage .screen { border-radius: 28px; box-shadow: 0 20px 50px rgba(122,95,82,.22); height: auto; min-height: auto; }

/* 模态框 */
.modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.3s;
}
.modal.hidden {
  display: none;
  opacity: 0;
}
.modal-card {
  background: var(--card);
  border-radius: var(--r-card);
  padding: 30px 24px;
  max-width: 320px;
  width: 90%;
  text-align: center;
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}
.modal-card h2 {
  font-size: 22px;
  margin-bottom: 12px;
}
.modal-card p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.modal-card button {
  background: var(--gradient-primary);
  color: var(--on-primary);
  border: none;
  padding: 12px 32px;
  border-radius: var(--r-btn);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
}