/* ==========================================================
   英文点读卡 —— 平板优先
   ========================================================== */

:root{
  --orange:#FF9F43;
  --orange-d:#F0821C;
  --blue:#4EC3F7;
  --blue-d:#2AA8DF;
  --green:#7BD389;
  --bg-1:#EAF6FF;
  --bg-2:#FFF9F0;
  --ink:#2B3A55;
  --ink-2:#7A8BA6;
  --ok:#34C77B;
  --bad:#FF6B6B;
  --warn:#FFB020;

  --glass:rgba(255,255,255,.78);
  --glass-2:rgba(255,255,255,.55);
  --stroke:rgba(255,255,255,.9);
  --shadow:0 14px 34px rgba(43,86,140,.14);
  --shadow-lg:0 22px 50px rgba(43,86,140,.20);
  --r-xl:30px; --r-lg:24px; --r-md:18px; --r-sm:13px;

  --font:"Nunito","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
}

*,*::before,*::after{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{
  font-family:var(--font);
  color:var(--ink);
  background:linear-gradient(160deg,var(--bg-1) 0%,#F2FAFF 42%,var(--bg-2) 100%);
  overflow:hidden;
  -webkit-tap-highlight-color:transparent;
  -webkit-font-smoothing:antialiased;
  user-select:none;
}
button,select,textarea{font-family:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}

/* ---------------- 背景装饰 ---------------- */
.deco{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;}
.b1{width:46vw;height:46vw;background:#BFE6FF;top:-14vw;left:-10vw;}
.b2{width:38vw;height:38vw;background:#FFE0B8;bottom:-12vw;right:-8vw;}
.b3{width:28vw;height:28vw;background:#D6F5DE;bottom:14vh;left:-12vw;}
.b4{width:24vw;height:24vw;background:#FFD9E4;top:18vh;right:-10vw;}

/* ---------------- 布局 ---------------- */
#app{
  position:relative;z-index:1;height:100%;
  display:flex;flex-direction:column;
  padding:calc(14px + var(--safe-t)) 18px calc(10px + var(--safe-b));
  max-width:1240px;margin:0 auto;
}

/* ---------------- 工具栏 ---------------- */
.bar{
  flex:0 0 auto;display:flex;align-items:center;gap:12px;
  padding:10px 14px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:.3px;}
.brand-ico{font-size:24px;}
.brand-txt{white-space:nowrap;}
.actions{margin-left:auto;display:flex;align-items:center;gap:10px;}

.pill{
  min-height:44px;padding:0 18px;border-radius:99px;
  font-size:15px;font-weight:800;
  background:#fff;box-shadow:0 6px 14px rgba(43,86,140,.13);
  transition:transform .14s ease,box-shadow .2s,filter .2s;
  white-space:nowrap;
}
.pill:active{transform:scale(.94);}
.pill.danger{color:var(--bad);}
.pill.danger.arm{background:var(--bad);color:#fff;}

.voice-box{
  display:flex;align-items:center;gap:6px;
  height:44px;padding:0 8px 0 12px;border-radius:99px;
  background:#fff;box-shadow:0 6px 14px rgba(43,86,140,.13);
}
.voice-ico{font-size:15px;}
#voiceSel{
  max-width:190px;border:0;outline:none;background:transparent;
  font-size:14px;font-weight:700;color:var(--ink);
  appearance:none;-webkit-appearance:none;cursor:pointer;
}

/* 顶部提示条 */
.tip{
  flex:0 0 auto;max-height:0;overflow:hidden;opacity:0;
  margin-top:0;padding:0 18px;border-radius:var(--r-md);
  font-size:14px;font-weight:700;
  display:flex;align-items:center;gap:12px;
  transition:all .3s ease;
}
.tip.show{
  max-height:96px;opacity:1;margin-top:10px;padding:10px 12px 10px 18px;
  background:#E8F4FF;color:#22628F;border:1px solid #C9E6FB;
}
.tip.warn{background:#FFF4E0;color:#8A5A00;border:1px solid #FFD9A0;}
.tip.err{background:#FFECEC;color:#A32424;}
#tipText{flex:1;min-width:0;}
.tip-link{flex:0 0 auto;color:inherit;font-weight:800;text-decoration:underline;white-space:nowrap;}
#btnSaveMine{display:none;flex:0 0 auto;min-height:38px;padding:0 16px;font-size:14px;background:#fff;color:var(--blue-d);box-shadow:none;}
.tip.shared #btnSaveMine{display:inline-flex;}

/* 分享按钮 */
.pill.share{background:linear-gradient(180deg,#7ED0FF,#3FB4EE);color:#fff;box-shadow:0 8px 18px rgba(63,180,238,.38);}

/* 分享弹窗 */
.modal{
  position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:20px;
  background:rgba(24,52,80,.34);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .26s,visibility .26s;
}
.modal.show{opacity:1;visibility:visible;}
.modal-card{
  width:min(520px,94vw);padding:28px 24px 22px;border-radius:var(--r-xl);
  background:linear-gradient(180deg,#FFFFFF,#F4FBFF);
  box-shadow:0 30px 60px rgba(16,52,84,.32);
  text-align:center;transform:scale(.9);transition:transform .3s cubic-bezier(.3,1.5,.5,1);
}
.modal.show .modal-card{transform:scale(1);}
.share-ico{font-size:44px;line-height:1;}
.share-title{font-size:24px;font-weight:800;margin:10px 0 6px;}
.share-sub{font-size:15px;font-weight:600;color:var(--ink-2);margin:0 0 18px;}
.link-row{display:flex;gap:10px;align-items:center;}
#shareLink{
  flex:1;min-width:0;height:52px;padding:0 16px;border-radius:16px;
  border:2px solid #DDEEFA;background:#fff;
  font-size:15px;font-weight:700;color:var(--ink);
  user-select:text;-webkit-user-select:text;outline:none;
}
#shareLink:focus{border-color:var(--blue);}
.link-row .btn{min-height:52px;padding:0 22px;flex:0 0 auto;}
.share-note{font-size:13px;font-weight:600;color:var(--ink-2);margin:14px 0 0;min-height:18px;}
.share-btns{display:flex;gap:10px;margin-top:20px;}
.share-btns .btn{flex:1;}

/* ---------------- 主体 ---------------- */
#main{flex:1;min-height:0;position:relative;margin-top:14px;}
.empty,.list,.editor,.library{position:absolute;inset:0;display:none;overflow-y:auto;-webkit-overflow-scrolling:touch;}
.empty.show,.list.show,.editor.show,.library.show{display:block;}
.list.show,.library.show{display:grid;}

/* ---------------- 空态 ---------------- */
.empty{place-items:center;}
.empty.show{display:grid;}
.empty-card{
  width:min(560px,92vw);text-align:center;
  padding:46px 32px 40px;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow-lg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  animation:pop .45s cubic-bezier(.3,1.4,.5,1) both;
}
.empty-ico{
  font-size:60px;line-height:1;
  animation:floaty 2.6s ease-in-out infinite;
}
.empty-title{font-size:28px;font-weight:800;margin:16px 0 8px;}
.empty-sub{font-size:17px;font-weight:600;color:var(--ink-2);margin:0 0 26px;}
@keyframes floaty{0%,100%{transform:translateY(-6px);}50%{transform:translateY(6px);}}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(12px);}to{opacity:1;transform:none;}}

/* ---------------- 书架目录 ---------------- */
.library{
  grid-template-columns:1fr;gap:14px;align-content:start;padding-bottom:20px;
}
.book{
  display:flex;align-items:center;gap:16px;
  min-height:88px;padding:16px 16px 16px 18px;border-radius:var(--r-lg);
  background:#fff;border:2px solid #EDF5FC;box-shadow:var(--shadow);
  transition:transform .18s cubic-bezier(.3,1.4,.5,1),border-color .2s,box-shadow .2s;
  animation:cardIn .38s cubic-bezier(.3,1.3,.5,1) both;
}
.book:active{transform:scale(.988);}
.book .bk-ico{
  flex:0 0 auto;width:48px;height:48px;border-radius:16px;
  display:grid;place-items:center;font-size:24px;
  background:linear-gradient(180deg,#EAF6FF,#D9EEFF);
}
.book .bk-main{flex:1;min-width:0;cursor:pointer;}
.book .bk-title{
  display:block;font-size:20px;font-weight:800;line-height:1.35;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.book .bk-meta{display:block;margin-top:3px;font-size:13px;font-weight:700;color:var(--ink-2);}
.book .bk-ops{flex:0 0 auto;display:flex;gap:8px;}
.mini-btn{
  width:44px;height:44px;border-radius:14px;font-size:18px;
  background:#F3F9FE;display:grid;place-items:center;
  transition:transform .14s,background .2s;
}
.mini-btn:active{transform:scale(.88);background:#E3F1FC;}
.mini-btn.danger{background:#FFF1F1;}
.mini-btn.arm{background:var(--bad);color:#fff;font-size:12px;font-weight:800;}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:99px;
  font-size:17px;font-weight:800;
  transition:transform .14s ease,filter .2s;
  touch-action:manipulation;
}
.btn:active{transform:scale(.95);}
.btn.big{min-height:58px;font-size:19px;}
.btn.primary{
  background:linear-gradient(180deg,#FFB865,var(--orange-d));
  color:#fff;box-shadow:0 12px 26px rgba(240,130,28,.40),inset 0 -3px 0 rgba(170,80,0,.18);
}
.btn.primary.done{background:linear-gradient(180deg,#8CE0A8,#34C77B);}
.btn.ghost{background:#fff;color:var(--ink-2);box-shadow:0 6px 14px rgba(43,86,140,.12);}
.pill.back{background:#fff;color:var(--blue-d);font-size:20px;font-weight:800;padding:0 18px;}

/* 编辑器标题行 */
.editor-head{align-items:center;}
.ed-title{
  flex:1;min-width:0;height:52px;padding:0 16px;border-radius:16px;
  border:2px solid #E2EEF9;outline:none;background:#fff;
  font-size:19px;font-weight:800;color:var(--ink);
  user-select:text;-webkit-user-select:text;
  transition:border-color .2s,box-shadow .2s;
}
.ed-title:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(78,195,247,.18);}
.editor-stat{flex:0 0 auto;}

/* ---------------- 输入态 ---------------- */
.editor.show{display:flex;flex-direction:column;}
.editor{
  padding:20px;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow-lg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  animation:pop .4s cubic-bezier(.3,1.4,.5,1) both;
}
.editor-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px;}
.editor-title{font-size:20px;font-weight:800;margin:0;}
.editor-stat{margin-left:auto;font-size:14px;font-weight:700;color:var(--ink-2);}
#ta{
  flex:1;min-height:180px;width:100%;resize:none;
  padding:18px 20px;border-radius:var(--r-lg);
  border:2px solid #E2EEF9;outline:none;
  background:#fff;color:var(--ink);
  font-size:18px;font-weight:600;line-height:1.7;
  user-select:text;-webkit-user-select:text;
  transition:border-color .2s,box-shadow .2s;
}
#ta:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(78,195,247,.18);}
.editor-foot{display:flex;gap:12px;margin-top:14px;}
.editor-foot .btn.big{flex:1;}

/* ---------------- 点读卡片 ---------------- */
.list{
  grid-template-columns:1fr;gap:14px;align-content:start;
  padding-bottom:20px;
}
.card{
  position:relative;display:flex;align-items:center;gap:16px;
  min-height:84px;padding:18px 20px;border-radius:var(--r-lg);
  background:#fff;border:2px solid #EDF5FC;box-shadow:var(--shadow);
  transition:transform .18s cubic-bezier(.3,1.4,.5,1),border-color .2s,box-shadow .2s;
  animation:cardIn .38s cubic-bezier(.3,1.3,.5,1) both;
  cursor:pointer;touch-action:manipulation;
}
@keyframes cardIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.card:active{transform:scale(.985);}
.card .idx{
  flex:0 0 auto;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-1);color:var(--blue-d);
  font-size:17px;font-weight:800;
  transition:background .2s,color .2s,transform .2s;
}
.card .txt{
  flex:1;min-width:0;
  font-size:19px;font-weight:700;line-height:1.62;letter-spacing:.2px;
  color:var(--ink);
  user-select:text;-webkit-user-select:text;
  word-break:break-word;
}
.card .spk{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(180deg,#F2FAFF,#E2F2FE);
  box-shadow:inset 0 -2px 0 rgba(120,170,210,.25);
  transition:background .2s,transform .2s;
}
.card .spk svg{width:22px;height:22px;fill:var(--blue-d);}

/* 播放态 */
.card.playing{
  transform:translateY(-4px);
  border-color:var(--orange);
  box-shadow:0 18px 40px rgba(255,159,67,.34);
  background:linear-gradient(180deg,#FFFDF8,#FFF8ED);
}
.card.playing .idx{background:var(--orange);color:#fff;transform:scale(1.06);}
.card.playing .spk{background:linear-gradient(180deg,#FFD9A8,#FFC078);}
.card.playing .spk svg{display:none;}

/* 三根声波 */
.wave{display:none;align-items:flex-end;gap:3px;height:20px;}
.card.playing .wave{display:flex;}
.wave i{
  width:4px;border-radius:2px;background:var(--orange-d);
  animation:wave .9s ease-in-out infinite;
}
.wave i:nth-child(1){height:8px;animation-delay:0s;}
.wave i:nth-child(2){height:18px;animation-delay:.16s;}
.wave i:nth-child(3){height:12px;animation-delay:.32s;}
@keyframes wave{0%,100%{transform:scaleY(.5);}50%{transform:scaleY(1.15);}}

/* ---------------- 底部提示 ---------------- */
.snack{
  flex:0 0 auto;align-self:center;
  position:fixed;left:50%;bottom:calc(24px + var(--safe-b));
  transform:translate(-50%,20px);
  padding:12px 26px;border-radius:99px;
  background:rgba(43,58,85,.94);color:#fff;
  font-size:15px;font-weight:700;
  box-shadow:0 14px 30px rgba(20,40,70,.34);
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;
  z-index:20;
}
.snack.show{opacity:1;transform:translate(-50%,0);}

/* ---------------- 右下角悬浮按钮 ---------------- */
.fab-wrap{
  position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom));
  z-index:12;display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  pointer-events:none;
}
.fab{
  pointer-events:auto;
  height:52px;min-width:52px;padding:0 17px;border-radius:99px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.95);
  border:1px solid rgba(255,255,255,.92);
  box-shadow:0 10px 24px rgba(43,86,140,.24);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--ink);
  transition:transform .15s ease;
}
.fab:active{transform:scale(.92);}
.fab svg{width:23px;height:23px;flex:0 0 auto;fill:#07C160;}   /* 微信绿 */
.fab.msg svg{fill:var(--orange-d);}                            /* 留言橙 */
.fab-txt{font-size:15px;font-weight:800;line-height:1;}

/* 留言表单 */
.f-label{
  display:block;text-align:left;font-size:13px;font-weight:800;
  color:var(--ink-2);margin:14px 0 6px;
}
.f-label span{font-weight:600;opacity:.75;}
.f-input,.f-area{
  width:100%;border:2px solid #E2EEF9;border-radius:14px;outline:none;
  background:#fff;font-family:inherit;font-size:16px;color:var(--ink);
  padding:12px 14px;
  user-select:text;-webkit-user-select:text;
  transition:border-color .2s,box-shadow .2s;
}
.f-input{height:50px;}
.f-area{height:108px;resize:none;line-height:1.6;}
.f-input:focus,.f-area:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(78,195,247,.18);}

/* 二维码 */
.qr-box{
  width:min(252px,64vw);margin:8px auto 4px;
  border-radius:20px;background:#fff;border:1px solid #E8F1F8;
  box-shadow:0 6px 18px rgba(43,86,140,.10);
  display:grid;place-items:center;overflow:hidden;
}
.qr-box img{width:100%;height:auto;display:block;}
.qr-missing{padding:20px;font-size:14px;font-weight:700;color:var(--ink-2);line-height:1.8;}
.qr-missing b{color:var(--blue-d);}

@media (max-width:560px){
  .fab-wrap{right:12px;bottom:calc(14px + env(safe-area-inset-bottom));}
  .fab{height:48px;min-width:48px;width:48px;padding:0;gap:0;}
  .fab-txt{display:none;}          /* 窄屏收成同尺寸圆形，只留图标 */
  .fab svg{width:24px;height:24px;}
}

/* 拼读合体条出现时，把悬浮按钮抬上去，避免和它重叠（窄屏会撞） */
#app:has(#compose.show) .fab-wrap{bottom:calc(104px + env(safe-area-inset-bottom));}

/* ---------------- 平板 / 横屏：双列 ---------------- */
@media (min-width:820px){
  .list{grid-template-columns:1fr 1fr;gap:16px;}
  .library{grid-template-columns:1fr 1fr;gap:16px;}
  .book{min-height:96px;}
  .book .bk-title{font-size:21px;}
  .card{min-height:96px;padding:20px 22px;}
  .card .txt{font-size:20px;}
  #app{padding-left:24px;padding-right:24px;}
}
@media (min-width:1180px){
  .list{grid-template-columns:1fr 1fr 1fr;}
}

/* ---------------- 窄屏 ---------------- */
@media (max-width:560px){
  #app{padding:calc(10px + var(--safe-t)) 12px calc(8px + var(--safe-b));}
  .brand-txt{display:none;}
  .brand-ico{font-size:26px;}
  .bar{padding:8px 10px;gap:8px;}
  .pill{padding:0 13px;font-size:14px;min-height:42px;}
  .voice-box{height:42px;}
  #voiceSel{max-width:96px;font-size:13px;}
  .card{padding:15px 15px;gap:12px;border-radius:var(--r-md);}
  .card .txt{font-size:17px;}
  .card .idx{width:36px;height:36px;font-size:15px;}
  .card .spk{width:44px;height:44px;}
  .empty-title{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s !important;transition-duration:.05s !important;}
}