:root{
  --bg:#f6f3f8;
  --card:#ffffff;
  --line:#e8e2ee;
  --text:#2b2233;
  --text-2:#8a7f96;
  --pink:#d4537e;
  --pink-bg:#fbeaf0;
  --purple:#7c6cf0;
  --purple-bg:#eeedfe;
  --gold:#b98a3e;
  --gold-bg:#faf3e3;
  --radius:14px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.7}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
img{max-width:100%;display:block}

.wrap{max-width:760px;margin:0 auto;padding:0 16px 80px}

/* ---------- 头部 ---------- */
header.top{
  position:sticky;top:0;z-index:50;background:rgba(246,243,248,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
header.top .inner{max-width:760px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:17px;font-weight:500;color:var(--text)}
.logo .h{color:var(--pink)}
.top-actions{display:flex;gap:10px;align-items:center}
.top-actions .stat{font-size:12px;color:var(--text-2)}
.btn{
  border:none;border-radius:10px;padding:10px 18px;font-size:14px;
  background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;
  transition:transform .2s,opacity .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.ghost{background:var(--card);color:var(--text);border:1px solid var(--line)}
.btn.danger{background:#fcebeb;color:#a32d2d;border:1px solid #f7c1c1}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}

/* ---------- 登录 ---------- */
.view{display:none}
.view.active{display:block}
.login-box{
  max-width:380px;margin:18vh auto;background:var(--card);border:1px solid var(--line);
  border-radius:20px;padding:36px 30px;text-align:center;
}
.login-box .title{font-size:20px;font-weight:500;margin-bottom:6px}
.login-box .sub{font-size:13px;color:var(--text-2);margin-bottom:26px}
.login-box input{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;
  outline:none;margin-bottom:16px;letter-spacing:2px;text-align:center;
}
.login-box input:focus{border-color:var(--pink)}
.login-err{color:#a32d2d;font-size:13px;margin-bottom:10px;min-height:20px}
.login-note{font-size:12px;color:var(--text-2);margin-top:18px}
.login-note code{background:var(--pink-bg);color:var(--pink);padding:1px 6px;border-radius:5px;font-size:11px}
.tip code{background:var(--pink-bg);color:var(--pink);padding:1px 6px;border-radius:5px;font-size:12px}
.tip b{color:var(--pink);font-weight:500}

/* ---------- 快速记录 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:18px;
}
.card h2{font-size:15px;font-weight:500;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card h2 .dot{width:8px;height:8px;border-radius:50%;background:var(--pink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
label{font-size:13px;color:var(--text-2);display:block;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  outline:none;background:#fcfbfd;transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pink)}
.field textarea{resize:vertical;min-height:90px}
.type-tabs{display:flex;gap:8px}
.type-tab{
  flex:1;padding:10px;border-radius:12px;border:1px solid var(--line);background:#fcfbfd;
  font-size:13px;color:var(--text-2);transition:.2s;text-align:center;
}
.type-tab.active{color:#fff;border-color:transparent}
.type-tab.active[data-type="daily"]{background:var(--purple)}
.type-tab.active[data-type="milestone"]{background:var(--pink)}
.type-tab.active[data-type="anniv"]{background:var(--gold)}

/* 照片 */
.photo-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.photo-thumb{position:relative;width:76px;height:76px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.photo-thumb img{width:100%;height:100%;object-fit:cover}
.photo-thumb .del{
  position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;border:none;font-size:12px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.add-photo{
  width:76px;height:76px;border-radius:10px;border:1px dashed #cfc5da;background:#fcfbfd;
  color:var(--text-2);font-size:24px;display:flex;align-items:center;justify-content:center;
}
.add-photo input{display:none}
.form-actions{display:flex;gap:10px;margin-top:18px}
.form-actions .btn{flex:1}

/* ---------- 记录列表 ---------- */
.rec{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;margin-top:14px;
}
.rec-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rec-date{font-size:13px;color:var(--text-2)}
.tag{font-size:11px;padding:2px 10px;border-radius:99px;letter-spacing:1px}
.tag.milestone{background:var(--pink-bg);color:var(--pink)}
.tag.daily{background:var(--purple-bg);color:var(--purple)}
.tag.anniv{background:var(--gold-bg);color:var(--gold)}
.rec-title{font-size:16px;font-weight:500;margin-top:8px}
.rec-content{font-size:14px;color:#5a4f66;margin-top:6px;white-space:pre-wrap}
.rec-photos{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.rec-photos img{width:64px;height:64px;object-fit:cover;border-radius:8px}
.rec-actions{display:flex;gap:8px;margin-top:14px;justify-content:flex-end}
.empty{text-align:center;color:var(--text-2);padding:40px 0;font-size:14px}

/* ---------- 导出/页脚 ---------- */
.export-card p{font-size:13px;color:var(--text-2);margin-bottom:14px}
footer.note{text-align:center;color:#b7adc2;font-size:12px;margin-top:26px}

#toast{
  position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(16px);
  background:#2b2233;color:#fff;padding:12px 22px;border-radius:99px;font-size:13px;
  opacity:0;transition:.35s;z-index:200;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 模块切换 ---------- */
.tabs{display:flex;gap:8px;margin-top:18px;overflow-x:auto;padding-bottom:2px}
.tab{
  flex:none;padding:10px 18px;border-radius:99px;border:1px solid var(--line);
  background:var(--card);color:var(--text-2);font-size:14px;transition:.2s;
}
.tab.active{
  background:linear-gradient(135deg,var(--pink),var(--purple));color:#fff;border-color:transparent;
}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* ---------- 愿望 ---------- */
.wish-add{display:flex;gap:10px}
.wish-add input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:12px;outline:none;background:#fcfbfd}
.wish-add input:focus{border-color:var(--pink)}
.mini-stat{font-size:12px;color:var(--text-2);font-weight:400;margin-left:6px}
.wish-row{
  display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line);
}
.wish-row:last-child{border-bottom:none}
.wish-check{
  flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);
  background:none;font-size:12px;color:transparent;transition:.2s;
}
.wish-row.done .wish-check{background:var(--pink);border-color:var(--pink);color:#fff}
.wish-row .w-text{flex:1;font-size:14px}
.wish-row.done .w-text{color:var(--text-2);text-decoration:line-through}

/* ---------- 足迹 ---------- */
.coord-row{display:flex;gap:10px}
.coord-row input{flex:1}
.place-row{
  display:flex;align-items:center;gap:10px;padding:12px 4px;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.place-row:last-child{border-bottom:none}
.place-row .p-city{font-weight:500;color:var(--pink)}
.place-row .p-title{font-size:14px}
.place-row .p-date{font-size:12px;color:var(--text-2)}

/* ---------- 信件 ---------- */
.letter-row{padding:14px 4px;border-bottom:1px solid var(--line)}
.letter-row:last-child{border-bottom:none}
.letter-row .l-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.letter-row .l-title{font-weight:500;font-size:14px}
.letter-row .l-meta{font-size:12px;color:var(--text-2)}
.letter-row .l-ex{font-size:13px;color:var(--text-2);margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.letter-row .l-actions{margin-top:8px;display:flex;gap:8px}

/* ---------- 音乐 ---------- */
.tip{font-size:13px;color:var(--text-2);margin-bottom:14px}
.music-now{margin-top:14px;font-size:13px;color:var(--text-2)}
.music-now b{color:var(--pink);font-weight:500}

/* ---------- 主题切换按钮 ---------- */
.theme-toggle{
  flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:var(--card);color:var(--text-2);cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;transition:.3s;
}
.theme-toggle:hover{color:var(--pink);border-color:var(--pink);transform:rotate(20deg)}

/* ---------- 暗色主题 ---------- */
[data-theme="dark"]{
  --bg:#17101f;
  --card:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.09);
  --text:#f3e9f4;
  --text-2:#b9a6c8;
  --pink:#f5a8c3;
  --pink-bg:rgba(245,168,195,.1);
  --purple:#b8a0e8;
  --purple-bg:rgba(184,160,232,.08);
  --gold:#e8c9a0;
  --gold-bg:rgba(232,201,160,.08);
}
[data-theme="dark"] header.top{background:rgba(23,16,31,.75);backdrop-filter:blur(12px)}
[data-theme="dark"] .field input,
[data-theme="dark"] .field select,
[data-theme="dark"] .field textarea,
[data-theme="dark"] .type-tab,
[data-theme="dark"] .add-photo,
[data-theme="dark"] .wish-add input,
[data-theme="dark"] .login-box input{background:rgba(255,255,255,.06);color:var(--text)}
[data-theme="dark"] .add-photo{border-color:rgba(255,255,255,.15)}
[data-theme="dark"] .rec-content{color:var(--text-2)}
[data-theme="dark"] footer.note{color:var(--text-2)}
[data-theme="dark"] #toast{background:rgba(38,26,53,.95);color:var(--text)}
[data-theme="dark"] .login-err{color:#f5a8c3}
[data-theme="dark"] .btn.danger{background:rgba(245,168,195,.1);color:#f5a8c3;border-color:rgba(245,168,195,.25)}