/* ============================================================
 * 「佳怡也要好好学习⭐」· 基础样式 base.css v3.3
 * 覆盖: 主题变量 / 重置 / 视图切换 / 锁屏与首次设置 / 主界面骨架 /
 *       卡片 / 火苗 / 任务清单 / 计时器 / 日记 / 弹层 / Toast /
 *       撒花 / 歌词条 / 底部Tab / 管理后台
 * 移动优先(iPad / iPhone 主战场), ≥1024px 桌面侧栏见 views.css
 * ============================================================ */

/* ============ 主题变量 ============ */
:root{
  --bg:#FFF9F7; --card:#ffffff; --ink:#5B4A4F; --ink2:#9C8A90; --ink3:#C4B6BA;
  --pink:#F4A7B9; --pink-deep:#E88DA0; --pink-soft:#FDEFF2;
  --blue:#A8C4D9; --blue-deep:#7E9FBB; --blue-soft:#EFF5FA;
  --lav:#C3B1E1; --lav-deep:#A38BC9; --lav-soft:#F5F0FB;
  --coral:#FF8B7B; --mint:#9CD9C7; --mint-deep:#6FBFA8;
  --red:#E8636F; --line:#F2E4E0; --radius:18px;
  --shadow:0 4px 16px rgba(232,141,160,.10);
}
html.night{
  --bg:#2E272B; --card:#3A3238; --ink:#F3E9EC; --ink2:#C9BAC0; --ink3:#9A8A91;
  --pink-soft:#4A3A41; --blue-soft:#39424D; --lav-soft:#443A52;
  --line:#4A4046; --shadow:0 4px 16px rgba(0,0,0,.25);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.6;
  transition:background .3s;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
::placeholder{color:var(--ink3)}
svg{display:block}
[hidden]{display:none!important}

/* ============ 视图切换 ============ */
.view{display:none;min-height:100%}
.view.on{display:flex;flex-direction:column}

/* ============ 锁屏 / 首次设置 ============ */
.lock-wrap{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px 24px calc(32px + env(safe-area-inset-bottom));
}
/* v3.3.3: 锁屏内容卡片 —— 移动端透明透气, ≥768px 卡片化与主界面设计语言统一 */
.lock-card{width:100%;display:flex;flex-direction:column;align-items:center}
@media (min-width:768px){
  .lock-card{width:400px;padding:44px 40px;background:var(--card);
    border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
}
.lock-moon{width:64px;height:64px;border-radius:50%;background:var(--pink-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.lock-title{font-size:22px;letter-spacing:2px;text-indent:2px;font-weight:600}  /* text-indent 补偿 letter-spacing 的视觉偏移 */
.lock-greet{color:var(--ink2);font-size:15px;margin-top:6px;min-height:24px}
.lock-msg{color:var(--pink-deep);font-size:14px;min-height:20px;margin-top:4px}
.pin-dots{display:flex;gap:16px;margin:24px 0 4px}
.pin-dots span{width:14px;height:14px;border-radius:50%;border:2px solid var(--pink);transition:.15s}
.pin-dots span.fill{background:var(--pink)}
.pin-dots.shake{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
/* v3.3.3: 键盘三列自适应 + aspect-ratio 正圆(修复 78×60 椭圆错位), 容器限宽 264px 全尺寸优雅缩放 */
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:min(264px,100%);margin-top:18px}
.keypad button{
  aspect-ratio:1/1;min-width:0;border-radius:50%;background:var(--card);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:500;color:var(--ink);
  box-shadow:var(--shadow);border:1px solid var(--line);transition:.12s;
}
.keypad button:active{transform:scale(.94);background:var(--pink-soft)}
.keypad button.k-del{font-size:14px;color:var(--ink2)}
.trust-row{display:flex;align-items:center;gap:8px;margin-top:22px;color:var(--ink2);font-size:14px;cursor:pointer;user-select:none}
.trust-row input{width:18px;height:18px;accent-color:var(--pink)}
.setup-steps{display:flex;gap:10px;margin:14px 0 2px}
.setup-steps span{width:26px;height:26px;border-radius:50%;background:var(--pink-soft);color:var(--pink-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px}
.setup-steps span.on{background:var(--pink);color:#fff}
.setup-import{width:min(420px,100%);margin-top:10px}  /* v3.3.3: 92vw 会溢出父容器内边距, 改 100% */
.imp-card{background:var(--card);border-radius:var(--radius);padding:26px 22px;text-align:center;
  border:1px solid var(--line);box-shadow:var(--shadow)}
.imp-card h3{font-size:18px;margin:12px 0 8px}
.imp-card p{font-size:14px;color:var(--ink2)}
.imp-tip{margin-top:8px;color:var(--coral)!important}
.btn-primary{
  display:inline-block;background:var(--pink);color:#fff;font-size:16px;
  padding:12px 34px;border-radius:99px;margin-top:16px;transition:.15s;min-height:44px;
}
.btn-primary:active{transform:scale(.96)}

/* ============ 主界面骨架 ============ */
#view-main.on{display:flex;flex-direction:column}
#main-head{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top)) 18px 10px;
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.head-left{font-size:18px;font-weight:600;letter-spacing:1px}
.count-pill{background:var(--pink-soft);color:var(--pink-deep);font-size:13px;
  padding:5px 13px;border-radius:99px}
#main{flex:1;width:100%;max-width:640px;margin:0 auto;padding:6px 16px 150px}
.page{display:none;animation:fadein .25s}
.page.on{display:block}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ============ 卡片 ============ */
.card{background:var(--card);border-radius:var(--radius);padding:18px 16px;margin-bottom:14px;
  border:1px solid var(--line);box-shadow:var(--shadow)}
.card-title{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.card-title .mini{font-weight:400;font-size:13px;color:var(--ink2)}
.greet-card{
  background:linear-gradient(135deg,var(--pink-soft),var(--card) 70%);
  border-radius:var(--radius);padding:18px 18px 16px;margin-bottom:14px;border:1px solid var(--line);
}
.greet-card h2{font-size:20px;font-weight:600}
.greet-card .sub{font-size:13px;color:var(--ink2);margin-top:4px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.stage-pill{background:var(--pink);color:#fff;font-size:12px;padding:2px 10px;border-radius:99px}
.exam-banner{
  background:var(--lav-soft);border:1px solid var(--lav);color:var(--lav-deep);
  border-radius:14px;padding:12px 14px;margin-bottom:14px;font-size:14px;
  display:flex;align-items:center;gap:10px;
}

/* ============ 火苗 ============ */
.flame-card{display:flex;align-items:center;gap:14px;margin-bottom:14px;
  background:var(--card);border-radius:var(--radius);padding:14px 16px;border:1px solid var(--line);box-shadow:var(--shadow)}
.flame-ico{width:46px;height:46px;border-radius:50%;background:var(--pink-soft);
  display:flex;align-items:center;justify-content:center;animation:breath 2.6s ease-in-out infinite}
@keyframes breath{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
.flame-num{font-size:22px;font-weight:700;color:var(--pink-deep)}
.flame-label{font-size:12px;color:var(--ink2)}

/* ============ 任务清单 ============ */
.task-add-row{display:flex;gap:8px;margin-bottom:14px}
.task-add-row select{
  border:1px solid var(--line);border-radius:12px;padding:0 6px;background:var(--card);
  min-height:44px;font-size:14px;color:var(--ink);flex:0 0 auto;
}
.task-add-row input{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:0 12px;
  min-height:44px;background:var(--card);
}
.add-btn{
  width:44px;height:44px;border-radius:12px;background:var(--pink);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:.15s;
}
.add-btn:active{transform:scale(.92)}
.task-item{
  display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px dashed var(--line);
  position:relative;transition:background .15s;
}
.task-item:last-child{border-bottom:none}
.task-item.done{opacity:.55}
.task-item.done .tk-title{text-decoration:line-through}
.tk-check{
  width:44px;height:44px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
}
.tk-check .ring{width:26px;height:26px;border-radius:50%;border:2px solid var(--ink3);transition:.15s;
  display:flex;align-items:center;justify-content:center}
.task-item.done .tk-check .ring{background:var(--mint);border-color:var(--mint)}
.tk-body{flex:1;min-width:0}
.tk-title{font-size:15px;word-break:break-all}
.tk-meta{font-size:12px;color:var(--ink2);margin-top:2px;display:flex;gap:8px;align-items:center}
.tk-tag{font-size:11px;padding:1px 8px;border-radius:99px}
.tk-tag.macro{background:var(--pink-soft);color:var(--pink-deep)}
.tk-tag.mgmt{background:var(--blue-soft);color:var(--blue-deep)}
.tk-tag.mix{background:var(--lav-soft);color:var(--lav-deep)}
.tk-tag.system{background:var(--lav);color:#fff}
/* v3.3: 操作按钮常显(移动端无 hover, 长按是隐藏路径 → 改为直觉化常显小按钮) */
.tk-acts{display:flex;gap:6px;flex:0 0 auto}
.tk-acts button{width:38px;height:38px;border-radius:10px;background:transparent;color:var(--ink3);
  display:flex;align-items:center;justify-content:center;transition:.15s}
.tk-acts button:active{background:var(--pink-soft);color:var(--pink-deep);transform:scale(.92)}
.tk-acts button.tk-del:active{color:var(--red)}
@media (hover:hover){
  .tk-acts button:hover{background:var(--pink-soft);color:var(--pink-deep)}
  .tk-acts button.tk-del:hover{color:var(--red)}
}
.overdue-card{border:1px solid var(--red);border-radius:var(--radius);background:var(--card);
  padding:14px 16px;margin-bottom:14px}
.overdue-card .tt{color:var(--red);font-weight:600;font-size:14px;margin-bottom:8px}
.review-tip{
  background:var(--lav-soft);color:var(--lav-deep);border-radius:14px;padding:12px 14px;
  margin-bottom:14px;font-size:14px;display:flex;justify-content:space-between;align-items:center;
}
.review-tip button{color:var(--lav-deep);font-weight:600;font-size:14px;min-height:44px}

/* ============ 计时器 ============ */
.timer-idle{display:flex;flex-direction:column;gap:12px;align-items:center;padding:8px 0}
.mode-row{display:flex;gap:10px}
.mode-btn{border:1px solid var(--line);border-radius:99px;padding:8px 18px;font-size:14px;color:var(--ink2);background:var(--card);min-height:44px}
.mode-btn.on{background:var(--pink);color:#fff;border-color:var(--pink)}
.timer-run{display:flex;flex-direction:column;align-items:center;gap:10px;padding:6px 0}
.timer-big{font-size:52px;font-weight:700;color:var(--coral);font-variant-numeric:tabular-nums;letter-spacing:2px}
.timer-big.rest{color:var(--blue-deep)}
.timer-seg{font-size:14px;color:var(--ink2)}
.pomo-dots{display:flex;gap:10px;margin:4px 0}
.pomo-dots i{width:12px;height:12px;border-radius:50%;border:2px solid var(--pink)}
.pomo-dots i.done{background:var(--pink);border-color:var(--pink)}
.pomo-dots i.cur{border-color:var(--coral);animation:breath 1.4s infinite}
.timer-btns{display:flex;gap:12px;margin-top:6px}
.btn-line{border:1px solid var(--pink);color:var(--pink-deep);border-radius:99px;padding:10px 26px;font-size:15px;min-height:44px}
.btn-mini{background:var(--pink-soft);color:var(--pink-deep);border-radius:99px;padding:6px 20px;font-size:14px;min-height:36px}
.timer-stat{font-size:13px;color:var(--ink2);text-align:center;margin-top:8px}
.rest-banner{
  background:linear-gradient(135deg,var(--blue-soft),var(--card) 75%);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 18px;margin-bottom:14px;text-align:center;
}
.rest-banner h3{font-size:18px;margin:8px 0 6px}
.rest-banner p{color:var(--ink2);font-size:14px}

/* ============ 日记 ============ */
#diary-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;
  background:var(--card);resize:none;font-size:16px}
#diary-input:focus{outline:none;border-color:var(--pink)}
.diary-row{display:flex;gap:10px;align-items:flex-end}
.diary-row textarea{flex:1}
.btn-save-diary{min-height:44px}

/* ============ 弹层 ============ */
#modal-root{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:rgba(60,40,45,.42);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:22px}
.modal{
  width:min(430px,100%);max-height:86vh;overflow-y:auto;background:var(--card);
  border-radius:22px;padding:22px 20px;animation:pop .22s;
  -webkit-overflow-scrolling:touch;
}
@keyframes pop{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:none}}
.modal h3{font-size:17px;margin-bottom:14px;text-align:center}
.modal .m-body{font-size:15px}
.modal .m-btns{display:flex;gap:10px;justify-content:center;margin-top:18px}
.modal input,.modal select,.modal textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;
  background:var(--bg);font-size:16px;margin-bottom:10px;
}
.modal input:focus,.modal select:focus{outline:none;border-color:var(--pink)}
.m-btns .btn-primary{margin-top:0}
.m-btns .btn-cancel{border:1px solid var(--line);color:var(--ink2);border-radius:99px;padding:12px 26px;font-size:15px;min-height:44px}
.m-label{font-size:13px;color:var(--ink2);margin:8px 0 4px}

/* ============ Toast ============ */
#toast{
  position:fixed;top:calc(18px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);
  z-index:200;background:var(--ink);color:var(--bg);padding:11px 22px;border-radius:99px;
  font-size:14px;max-width:86vw;text-align:center;animation:toastin .25s;box-shadow:0 6px 20px rgba(0,0,0,.18);
}
@keyframes toastin{from{opacity:0;transform:translate(-50%,-12px)}to{opacity:1;transform:translate(-50%,0)}}

/* ============ 撒花(星光+音符) ============ */
.fall{position:fixed;top:-30px;z-index:300;pointer-events:none;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(300deg);opacity:.2}}

/* ============ 每日歌词条 ============ */
#lyric-bar{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(64px + env(safe-area-inset-bottom));
  width:min(640px,100% - 20px);z-index:30;
  display:flex;align-items:center;gap:10px;padding:0 14px;height:44px;
  background:color-mix(in srgb,var(--card) 92%,transparent);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-radius:99px;border:1px solid var(--line);box-shadow:var(--shadow);
  cursor:pointer;overflow:hidden;
}
#lyric-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lg,var(--pink));border-radius:99px}
#lyric-bar .lyric-note{flex:0 0 auto;color:var(--pink-deep);animation:breath 3s infinite}
#lyric-text{flex:1;min-width:0;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
#lyric-song{flex:0 0 auto;font-size:11.5px;color:var(--ink2);max-width:40%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#lyric-bar.egg{border-color:var(--coral)}
#lyric-bar.egg::before{background:var(--coral)}

/* ============ 底部 Tab ============ */
#tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:flex;justify-content:space-around;align-items:stretch;
  background:color-mix(in srgb,var(--card) 92%,transparent);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:9px 0 7px;min-height:56px;color:var(--ink3);font-size:11px;position:relative}
.tab svg{width:22px;height:22px}
.tab.on{color:var(--pink-deep)}
.tab.on::before{content:"";position:absolute;top:0;width:26px;height:3px;border-radius:99px;background:var(--pink)}

/* ============ 管理后台 ============ */
.ad-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--card);font-size:16px;margin-bottom:10px;min-height:44px}
.ad-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.ad-row input[type=text],.ad-row input[type=date]{border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:var(--card);font-size:15px;min-height:40px}
.ad-row input[type=date]{flex:0 0 auto}
.ad-row .grow{flex:1;min-width:120px}
.hol-item{display:flex;align-items:center;gap:8px;padding:7px 2px;border-bottom:1px dashed var(--line);font-size:14px}
.hol-item .d{font-variant-numeric:tabular-nums;color:var(--ink2)}
.hol-item .tag-hs{background:var(--pink-soft);color:var(--pink-deep);font-size:11px;padding:1px 8px;border-radius:99px}
.hol-item .tag-holiday{background:var(--blue-soft);color:var(--blue-deep);font-size:11px;padding:1px 8px;border-radius:99px}
.hol-item button{margin-left:auto;color:var(--red);font-size:13px;min-height:36px}
.song-item{display:flex;align-items:flex-start;gap:10px;padding:10px 2px;border-bottom:1px dashed var(--line)}
.song-item .s-body{flex:1;min-width:0}
.song-item .s-lyric{font-size:14px;word-break:break-all}
.song-item .s-meta{font-size:12px;color:var(--ink2);margin-top:2px}
.song-item .s-acts{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}
.song-item .s-acts button{font-size:12px;padding:4px 10px;border-radius:99px;background:var(--pink-soft);color:var(--pink-deep);min-height:32px}
.song-item.off .s-lyric{opacity:.5}
.song-item .s-acts button.warn{color:var(--red)}
.ad-tip{font-size:12px;color:var(--ink3);margin-top:6px}