/* 紫微星邮 · 手机版 v2（原创界面：白金 / 紫金两套主题，手机优先） */
:root{
  --bg:#f7f4ec;--surface:#fffdf8;--surface2:#f1ecdf;--line:#e7dfcd;--text:#1d1730;--muted:#6f6880;--faint:#9b94a8;
  --gold:#a8791f;--gold2:#d9ae4e;--accent:#5b2bd6;--accent-soft:#ece5ff;--danger:#d64545;--ok:#1f9d63;--warn:#c27a12;
  --unread:#1d1730;--chip:#efe8d8;--chip-on:#1d1730;--chip-on-text:#fff;--shadow:0 6px 24px rgba(40,25,0,.12);
  --fab:linear-gradient(135deg,#f5d77f,#d9ae4e);--fab-text:#2a1a05;--sel:#efe6ff;
  --swipe-l:#d64545;--swipe-r:#1f9d63;--sheet:#fffdf8;--scrim:rgba(20,14,30,.42);
  --r:16px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
}
[data-theme="dark"]{
  --bg:#0e0a1c;--surface:#161129;--surface2:#1e1736;--line:#2b2348;--text:#f3eee2;--muted:#a79fbd;--faint:#7a7393;
  --gold:#f0c75e;--gold2:#d9ae4e;--accent:#a98bff;--accent-soft:#2a2150;--danger:#ff6b6b;--ok:#3ddc97;--warn:#ffb347;
  --unread:#fff8e6;--chip:#231b40;--chip-on:#f0c75e;--chip-on-text:#1a1203;--shadow:0 8px 28px rgba(0,0,0,.5);
  --fab:linear-gradient(135deg,#f5d77f,#c99a35);--fab-text:#1a1203;--sel:#2a2150;--sheet:#1a1430;--scrim:rgba(0,0,0,.55);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text)}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;overscroll-behavior-y:none;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
a{color:var(--accent)}
input,textarea,select{font-size:16px}
.boot{display:flex;align-items:center;justify-content:center;height:100vh}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite}
.spinner.sm{width:16px;height:16px;border-width:2px;display:inline-block;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}
.muted{color:var(--muted)}.faint{color:var(--faint)}.grow{flex:1;min-width:0}.row{display:flex;align-items:center;gap:8px}
.ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ico{width:22px;height:22px;display:block;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.ib{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--text);flex:none}
.ib:active{background:var(--surface2)}
.ib.on{color:var(--gold)}
.btn{min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:600}
.btn.primary{background:var(--chip-on);color:var(--chip-on-text);border-color:transparent}
.btn.gold{background:var(--fab);color:var(--fab-text);border-color:transparent}
.btn.sm{min-height:36px;padding:0 14px;font-size:14px}
.btn:disabled{opacity:.5}

/* ── 登录 ── */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px calc(24px + var(--safe-b));
  background:radial-gradient(120% 70% at 50% 0%,rgba(217,174,78,.22),transparent 60%),var(--bg)}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px 22px;box-shadow:var(--shadow)}
.auth-card h1{margin:12px 0 6px;font-size:24px;text-align:center}
.auth-card .sub{color:var(--muted);text-align:center;margin-bottom:18px;font-size:14px}
.logo{width:64px;height:64px;margin:0 auto;display:block}
.field{display:block;margin:0 0 12px}
.field input{width:100%;height:50px;border-radius:14px;border:1px solid var(--line);background:var(--bg);padding:0 14px;outline:none}
.field input:focus{border-color:var(--gold)}
.auth-card .btn{width:100%;margin-top:6px}
.err{color:var(--danger);font-size:14px;min-height:20px;margin:4px 0}
.or{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:13px;margin:14px 0 6px}.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}

/* ── 主界面 ── */
.app{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.topbar{flex:none;padding:calc(6px + var(--safe-t)) 8px 4px;background:var(--bg);position:relative;z-index:5}
.searchbar{display:flex;align-items:center;gap:2px;height:52px;border-radius:26px;background:var(--surface);border:1px solid var(--line);padding:0 4px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.searchbar .ph{flex:1;min-width:0;color:var(--muted);font-size:15.5px;text-align:left;height:44px;padding:0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me{width:34px;height:34px;border-radius:50%;margin:0 5px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:15px;background:linear-gradient(135deg,#7b5cff,#f0c75e)}
.chips{display:flex;gap:8px;overflow-x:auto;padding:8px 8px 2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;height:36px;padding:0 14px;border-radius:18px;background:var(--chip);color:var(--text);font-size:14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;border:1px solid transparent}
.chip.on{background:var(--chip-on);color:var(--chip-on-text)}
.chip .n{font-size:12px;opacity:.8}
.chip .dot{width:8px;height:8px;border-radius:50%}
.tabs{display:flex;gap:4px;overflow-x:auto;padding:6px 8px 0;scrollbar-width:none;border-bottom:1px solid var(--line)}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;height:40px;padding:0 12px;font-size:14.5px;color:var(--muted);border-bottom:2.5px solid transparent;font-weight:600}
.tab.on{color:var(--text);border-bottom-color:var(--gold)}
.viewtitle{padding:10px 18px 4px;font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.02em}

.listwrap{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;position:relative;overscroll-behavior-y:contain}
.ptr{height:0;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;color:var(--muted);font-size:13px}
.ptr .spinner{width:22px;height:22px;margin-bottom:8px}
.list{padding-bottom:calc(96px + var(--safe-b))}
.item{position:relative;overflow:hidden;background:var(--bg)}
.item .bgl,.item .bgr{position:absolute;inset:0;display:flex;align-items:center;padding:0 24px;color:#fff;font-weight:700;gap:8px}
.item .bgl{background:var(--swipe-r);justify-content:flex-start}
.item .bgr{background:var(--swipe-l);justify-content:flex-end}
.item .fg{position:relative;background:var(--bg);display:flex;gap:12px;padding:12px 14px 12px 12px;touch-action:pan-y;will-change:transform}
.item.sel .fg{background:var(--sel)}
.av{width:42px;height:42px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px}
.item.sel .av{background:var(--accent)!important}
.it-body{flex:1;min-width:0}
.it-top{display:flex;align-items:baseline;gap:8px}
.it-who{flex:1;min-width:0;font-size:15.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.it-time{flex:none;font-size:12.5px;color:var(--faint)}
.it-subj{font-size:14.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.it-snip{font-size:13.5px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.item.unread .it-who,.item.unread .it-subj{color:var(--unread);font-weight:700}
.item.unread .it-time{color:var(--gold);font-weight:700}
.it-meta{display:flex;align-items:center;gap:6px;margin-top:5px;flex-wrap:wrap}
.tag{font-size:11.5px;height:20px;padding:0 7px;border-radius:10px;display:inline-flex;align-items:center;background:var(--chip);color:var(--muted);white-space:nowrap}
.tag.urgent{background:rgba(214,69,69,.14);color:var(--danger)}
.tag.high{background:rgba(194,122,18,.15);color:var(--warn)}
.tag.reply{background:var(--accent-soft);color:var(--accent)}
.tag.gold{background:rgba(217,174,78,.18);color:var(--gold)}
.tag.code{background:rgba(31,157,99,.14);color:var(--ok);font-weight:700}
.star{width:36px;height:36px;margin:-6px -8px 0 0;display:flex;align-items:center;justify-content:center;color:var(--faint);flex:none}
.star.on{color:var(--gold)}
.star .ico{width:20px;height:20px}
.star.on .ico{fill:currentColor}
.empty{padding:70px 28px;text-align:center;color:var(--muted)}
.empty .big{font-size:44px;margin-bottom:10px}
.more{padding:16px;text-align:center}
.dayhead{padding:14px 18px 6px;font-size:12.5px;color:var(--faint);font-weight:600}

.fab{position:fixed;right:16px;bottom:calc(18px + var(--safe-b));height:56px;min-width:56px;padding:0 20px 0 16px;border-radius:18px;background:var(--fab);color:var(--fab-text);
  display:flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;box-shadow:0 8px 22px rgba(160,110,10,.35);z-index:20;transition:padding .2s,min-width .2s}
.fab .ico{stroke-width:2.2}
.fab.mini{padding:0 16px}.fab.mini span{display:none}

.selbar{position:absolute;inset:0 0 auto 0;padding:calc(6px + var(--safe-t)) 4px 4px;background:var(--surface);display:flex;align-items:center;gap:2px;z-index:6;box-shadow:var(--shadow);height:calc(62px + var(--safe-t))}
.selbar .n{flex:1;font-weight:700;font-size:17px;padding-left:4px}

/* ── 抽屉 ── */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:40;opacity:0;transition:opacity .2s;pointer-events:none}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;bottom:0;left:0;width:min(84vw,330px);background:var(--surface);z-index:41;transform:translateX(-105%);transition:transform .24s cubic-bezier(.2,.8,.2,1);
  display:flex;flex-direction:column;padding-top:var(--safe-t);border-radius:0 22px 22px 0;overflow:hidden}
.drawer.on{transform:none}
.dr-head{padding:18px 18px 12px;border-bottom:1px solid var(--line)}
.dr-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--gold)}
.dr-brand img{width:30px;height:30px}
.dr-addr{margin-top:8px;font-size:14px;color:var(--muted);word-break:break-all}
.dr-plan{display:inline-flex;margin-top:6px}
.dr-list{flex:1;overflow-y:auto;padding:8px 8px calc(16px + var(--safe-b))}
.dr-sec{padding:12px 12px 4px;font-size:12px;color:var(--faint);font-weight:700;letter-spacing:.04em}
.dr-it{width:100%;height:48px;border-radius:24px;display:flex;align-items:center;gap:14px;padding:0 14px;font-size:15px;text-align:left}
.dr-it.on{background:var(--accent-soft);color:var(--accent);font-weight:700}
.dr-it .n{margin-left:auto;font-size:13px;color:var(--muted);font-weight:600}
.dr-it.on .n{color:var(--accent)}
.dr-acc{font-size:13px}
.dr-acc .st{font-size:11.5px;margin-left:auto}

/* ── 全屏页（阅读 / 写信 / 搜索 / 设置）── */
.page{position:fixed;inset:0;background:var(--bg);z-index:30;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .24s cubic-bezier(.2,.8,.2,1)}
.page.on{transform:none}
.page.up{transform:translateY(100%)}.page.up.on{transform:none}
.pbar{flex:none;display:flex;align-items:center;gap:2px;padding:calc(6px + var(--safe-t)) 4px 4px;min-height:calc(56px + var(--safe-t));background:var(--bg)}
.pbar .t{flex:1;font-size:18px;font-weight:700;padding-left:4px;min-width:0}
.pbody{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}

/* 阅读 */
.r-subj{font-size:21px;line-height:1.35;font-weight:700;padding:6px 18px 4px;word-break:break-word}
.r-tags{display:flex;gap:6px;flex-wrap:wrap;padding:4px 18px 8px}
.r-head{display:flex;gap:12px;padding:12px 16px;align-items:flex-start}
.r-who{flex:1;min-width:0}
.r-name{font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.r-addr{font-size:13px;color:var(--muted);word-break:break-all}
.r-time{font-size:12.5px;color:var(--faint);white-space:nowrap}
.r-more{font-size:13px;color:var(--muted);padding:0 16px 8px 70px;word-break:break-all}
.card{margin:8px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.ai{border-color:rgba(217,174,78,.45);background:linear-gradient(180deg,rgba(217,174,78,.10),transparent 70%),var(--surface)}
.ai .h{font-weight:700;color:var(--gold);display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:14px}
.ai .sum{font-size:14.5px}
.ai ul{margin:8px 0 0;padding-left:20px;font-size:14px}
.ai .facts{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;font-size:13px;color:var(--muted)}
.otp{font-size:26px;letter-spacing:4px;font-weight:800;color:var(--ok)}
.frame{display:block;width:100%;border:0;min-height:120px;background:#fff;border-radius:12px}
.bodywrap{margin:6px 10px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff}
.plain{padding:14px 16px;white-space:pre-wrap;word-break:break-word;font-size:15px;background:var(--surface);border-radius:14px;margin:6px 10px;border:1px solid var(--line)}
.imgbar{margin:6px 10px;padding:10px 12px;border-radius:12px;background:var(--surface2);font-size:13px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.imgbar>.grow{flex:1 1 100%}
.atts{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px 10px}
.att{display:flex;gap:10px;align-items:center;padding:10px;border-radius:12px;background:var(--surface);border:1px solid var(--line);text-decoration:none;color:var(--text);min-width:0}
.att .n{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att .s{font-size:12px;color:var(--faint)}
.att .i{font-size:22px;flex:none}
.thread{margin:8px 14px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.th-it{display:flex;gap:10px;padding:10px 12px;align-items:center;border-top:1px solid var(--line)}
.th-it:first-child{border-top:0}
.th-it .av{width:32px;height:32px;font-size:14px}
.rbar{flex:none;display:flex;gap:8px;padding:8px 12px calc(8px + var(--safe-b));background:var(--bg);border-top:1px solid var(--line);overflow-x:auto}
.rbar .btn{flex:1 1 0;min-width:0;flex-direction:column;gap:3px;min-height:54px;padding:5px 2px;border-radius:16px;font-size:12.5px;font-weight:600;white-space:nowrap}
.rbar .btn .ico{width:21px;height:21px}
.sugg{display:flex;gap:8px;flex-wrap:wrap;padding:4px 14px 12px}
.sugg .chip{height:auto;min-height:36px;padding:7px 14px;white-space:normal;text-align:left;line-height:1.35}

/* 写信 */
.c-row{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);padding:0 12px 0 16px;min-height:52px;position:relative}
.c-row label{color:var(--muted);font-size:14.5px;flex:none;min-width:44px}
.c-row input,.c-row select{flex:1;min-width:0;border:0;background:transparent;outline:none;height:50px}
.c-row select{appearance:none;-webkit-appearance:none}
.c-ed{min-height:42vh;padding:14px 16px 120px;outline:none;font-size:16px;line-height:1.6;word-break:break-word}
.c-ed:empty:before{content:attr(data-ph);color:var(--faint)}
.c-ed blockquote{border-left:3px solid var(--line);margin:8px 0;padding-left:12px;color:var(--muted)}
.c-atts{display:flex;gap:8px;flex-wrap:wrap;padding:8px 14px}
.catt{display:inline-flex;align-items:center;gap:6px;background:var(--surface2);border-radius:12px;padding:6px 6px 6px 10px;font-size:13px;max-width:100%}
.catt .n{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.c-status{padding:4px 16px;font-size:13px;color:var(--muted);min-height:22px}
.c-tools{flex:none;display:flex;gap:6px;padding:8px 10px calc(8px + var(--safe-b));border-top:1px solid var(--line);background:var(--bg);overflow-x:auto}
.c-tools .btn{flex:none}
.suggest{position:absolute;left:56px;right:8px;top:50px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);z-index:3;max-height:240px;overflow-y:auto}
.suggest div{padding:12px 14px;font-size:14.5px;border-top:1px solid var(--line)}
.suggest div:first-child{border-top:0}

/* 搜索 */
.s-input{flex:1;min-width:0;height:46px;border:0;background:var(--surface);border-radius:23px;padding:0 16px;outline:none;border:1px solid var(--line)}
.recent{padding:6px 8px}
.recent button{width:100%;text-align:left;min-height:46px;padding:0 12px;border-radius:12px;display:flex;align-items:center;gap:12px;color:var(--muted)}

/* 底部弹出 */
.sheet{position:fixed;left:0;right:0;bottom:0;background:var(--sheet);border-radius:22px 22px 0 0;z-index:51;transform:translateY(105%);transition:transform .22s cubic-bezier(.2,.8,.2,1);
  max-height:86vh;overflow-y:auto;padding:8px 0 calc(12px + var(--safe-b));box-shadow:0 -8px 30px rgba(0,0,0,.2)}
.sheet.on{transform:none}
.sheet .grab{width:38px;height:4px;border-radius:2px;background:var(--line);margin:4px auto 8px}
.sheet .st{padding:6px 20px 10px;font-weight:700;font-size:16px}
.sheet .si{width:100%;min-height:52px;display:flex;align-items:center;gap:16px;padding:0 20px;text-align:left;font-size:15.5px}
.sheet .si:active{background:var(--surface2)}
.sheet .si .sub{font-size:12.5px;color:var(--muted)}
.sheet .sbody{padding:0 20px 8px}
.sheet input[type=datetime-local],.sheet textarea,.sheet select{width:100%;min-height:48px;border-radius:12px;border:1px solid var(--line);background:var(--bg);padding:10px 12px;outline:none}
.sheet textarea{min-height:90px;resize:vertical}
.scrim2{position:fixed;inset:0;background:var(--scrim);z-index:50;opacity:0;transition:opacity .2s;pointer-events:none}
.scrim2.on{opacity:1;pointer-events:auto}

/* 设置 */
.set-sec{padding:14px 18px 6px;font-size:12.5px;color:var(--faint);font-weight:700}
.set-it{display:flex;align-items:center;gap:12px;padding:12px 18px;min-height:56px;border-bottom:1px solid var(--line);width:100%;text-align:left}
.set-it .grow .sub{font-size:12.5px;color:var(--muted)}
.seg{display:flex;background:var(--surface2);border-radius:12px;padding:3px;gap:3px}
.seg button{height:36px;padding:0 12px;border-radius:9px;font-size:13.5px;color:var(--muted);font-weight:600}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.switch{width:50px;height:30px;border-radius:15px;background:var(--line);position:relative;flex:none;transition:background .2s}
.switch:after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch.on{background:var(--gold2)}.switch.on:after{transform:translateX(20px)}
.acc-row{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line)}

/* 提示 */
#toasts{position:fixed;left:12px;right:12px;bottom:calc(86px + var(--safe-b));z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{pointer-events:auto;max-width:520px;width:100%;background:#2a2340;color:#fff;border-radius:14px;padding:12px 14px;display:flex;align-items:center;gap:12px;font-size:14.5px;box-shadow:0 8px 24px rgba(0,0,0,.3);animation:tin .2s}
[data-theme="dark"] .toast{background:#f3eee2;color:#1a1203}
.toast.err{background:#a33}
.toast span{flex:1}
.toast button{color:var(--gold2);font-weight:800;min-height:36px;padding:0 6px}
[data-theme="dark"] .toast button{color:#7a4f00}
@keyframes tin{from{transform:translateY(12px);opacity:0}}

@media (min-width:760px){
  .app,.page{max-width:760px;margin:0 auto;left:0;right:0}
  .fab{right:calc(50% - 360px)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* 万邮合一：添加邮箱 */
.chip.add{background:transparent;border:1px dashed var(--gold);color:var(--gold)}
.prov-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0 4px}
.prov{height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface2);font-size:13.5px;font-weight:600;padding:0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prov.on{border-color:var(--gold);background:var(--chip-on);color:var(--chip-on-text)}
.wz-h{font-weight:700;font-size:14.5px;margin-top:6px}
.wz-steps ol{margin:8px 0 12px;padding-left:22px;font-size:14px;line-height:1.6}
.wz-steps a{color:var(--gold);text-decoration:underline}
.tg{display:flex;align-items:center;gap:8px;font-size:14px;margin:6px 2px}
.tg input{width:18px;height:18px;accent-color:var(--gold)}
.card.dim .prov-grid{opacity:.7}
.fw-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-top:1px solid var(--line);font-size:13px}
.fw-row:first-of-type{border-top:0}
.fw-n{width:68px;flex:none;font-weight:600}
.fw-row code{font-size:12.5px;color:var(--gold)}
.prog{height:6px;border-radius:3px;background:var(--surface2);margin-top:6px;overflow:hidden}
.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),#f3d98b)}