/* 消息 (messages.js): list on the left, the open message on the right; one at a time on phones. */
#main .msg{--m-soft:color-mix(in srgb,var(--ink) 3.5%,var(--bg));--m-hair:color-mix(in srgb,var(--ink) 9%,transparent);--m-purple:#7532d6;max-width:1040px;margin-inline:auto;color:var(--ink)}
#main .msg :is(h1,h2,h3,p,ul,dl,dd){margin:0}
#main .msg .msg-wait{height:420px;border-radius:24px;background:var(--m-soft);animation:card-wait 1.4s ease-in-out infinite}
#main .msg .msg-head{margin:0 0 22px}
#main .msg .msg-head h1{margin:0 0 6px;font-size:30px;font-weight:600;line-height:1.15;letter-spacing:-.025em}
#main .msg .msg-head p{font-size:15px;color:var(--muted)}
#main .msg .msg-panes{display:grid;grid-template-columns:330px minmax(0,1fr);align-items:start;gap:18px}
#main .msg .msg-list{display:flex;flex-direction:column;gap:2px;margin:0;padding:6px;list-style:none;border-radius:22px;background:var(--m-soft)}
#main .msg .msg-row{display:grid;grid-template-columns:10px minmax(0,1fr);align-items:start;gap:10px;padding:14px 14px 14px 12px;border-radius:16px;color:inherit;text-decoration:none;transition:background-color .15s ease,transform .3s var(--spring-soft,ease)}
#main .msg .msg-row:hover{background:color-mix(in srgb,var(--ink) 4%,transparent)}
#main .msg .msg-row:active{transform:scale(.985)}
#main .msg .msg-row[aria-current=true]{background:var(--bg);box-shadow:0 0 0 1px var(--m-hair)}
#main .msg .msg-row:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
#main .msg .msg-dot{width:8px;height:8px;margin-top:7px;border-radius:50%;background:var(--m-purple);transform:scale(0);transition:transform .45s var(--spring,ease)}
#main .msg .msg-row.is-unread .msg-dot{transform:none}
#main .msg .msg-row-text{display:flex;flex-direction:column;gap:3px;min-width:0}
#main .msg .msg-row-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
#main .msg .msg-row-top strong{overflow:hidden;font-size:15px;font-weight:500;white-space:nowrap;text-overflow:ellipsis}
#main .msg .msg-row.is-unread strong{font-weight:700}
#main .msg .msg-row-top time{flex:none;font-size:12px;color:var(--muted)}
#main .msg .msg-row-sum{display:-webkit-box;overflow:hidden;font-size:13px;line-height:1.5;color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical}
#main .msg .msg-row-from{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
#main .msg .msg-row-from em{padding:1px 8px;border-radius:999px;background:color-mix(in srgb,var(--ink) 7%,var(--bg));font-size:11px;font-style:normal;font-weight:600}
#main .msg .msg-row-from em.is-todo{background:color-mix(in srgb,var(--m-purple) 12%,var(--bg));color:var(--m-purple)}
#main .msg .msg-reader{min-height:420px;padding:32px 36px 36px;border-radius:24px;background:var(--bg);box-shadow:0 0 0 1px var(--m-hair)}
#main .msg .msg-read{outline:0;animation:msg-in .45s var(--spring-soft,ease) both}
#main .msg .msg-read header{margin:0 0 18px}
#main .msg .msg-read h2{font-size:24px;font-weight:650;letter-spacing:-.02em;line-height:1.3}
#main .msg .msg-read header p{margin-top:4px;font-size:13px;color:var(--muted)}
#main .msg .msg-body{font-size:15px;line-height:1.75}
#main .msg .msg-body>p{margin:0 0 12px}
#main .msg .msg-body a:not(.msg-primary){color:var(--m-purple)}
#main .msg .msg-back{display:none;align-items:center;gap:4px;margin:0 0 16px -6px;padding:6px 10px 6px 4px;border:0;border-radius:10px;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
#main .msg .msg-back svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#main .msg .msg-none{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:340px;font-size:15px;color:var(--muted)}
#main .msg .msg-none .msg-env{width:110px;opacity:.55}
#main .msg .msg-error{padding:20px;border-radius:16px;background:#fff1e6;color:#b4530b}
@keyframes msg-in{from{opacity:0;transform:translateY(8px)}}

/* The envelope: the flap folds away, then the letter springs up. */
#main .msg .msg-env-wrap{margin:0 0 6px}
#main .msg .msg-env{display:block;width:96px;height:auto;overflow:visible;stroke:none}
#main .msg .msg-env *{transform-box:fill-box}
#main .msg .msg-env .e-back{fill:#5b22b3}
#main .msg .msg-env .e-front{fill:#7532d6}
#main .msg .msg-env .e-flap{fill:#8f55ec;transform-origin:50% 0}
#main .msg .msg-env .e-letter{transform:translateY(12px)}
#main .msg .msg-env .e-letter>rect:first-child{fill:#fff}
#main .msg .msg-env .e-l1{fill:#7532d6}
#main .msg .msg-env .e-l2{fill:#e3dafa}
#main .msg .msg-env.is-open .e-flap{animation:env-flap .28s cubic-bezier(.55,0,1,.45) both}
#main .msg .msg-env.is-open .e-letter{animation:env-letter .9s var(--spring,ease) .2s both}
#main .msg .msg-env.is-shown .e-flap{transform:scaleY(0)}
#main .msg .msg-env.is-shown .e-letter{transform:translateY(-14px)}
@keyframes env-flap{to{transform:scaleY(0)}}
@keyframes env-letter{from{transform:translateY(12px)}to{transform:translateY(-14px)}}

/* Survey */
#main .msg .sv{margin-top:22px}
#main .msg .sv-q{min-width:0;margin:0 0 22px;padding:0;border:0}
#main .msg .sv-q legend{display:flex;align-items:center;gap:10px;margin:0 0 12px;padding:0;font-size:16px;font-weight:600}
#main .msg .sv-q legend span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:color-mix(in srgb,var(--m-purple) 12%,var(--bg));color:var(--m-purple);font-size:13px;font-weight:700}
#main .msg .sv-opts{display:flex;flex-wrap:wrap;gap:8px;padding-left:34px}
#main .msg .sv-opts label{position:relative;margin:0;cursor:pointer}
#main .msg .sv-opts input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
#main .msg .sv-opts span{display:inline-flex;align-items:center;height:42px;padding:0 18px;border-radius:999px;background:var(--bg);box-shadow:0 0 0 1px var(--m-hair);font-size:14px;font-weight:500;transition:background-color .2s ease,color .2s ease,box-shadow .2s ease}
#main .msg .sv-opts label:hover span{box-shadow:0 0 0 1px color-mix(in srgb,var(--ink) 25%,transparent)}
#main .msg .sv-opts input:checked+span{background:var(--m-purple);color:#fff;box-shadow:none;animation:sv-pick .4s var(--spring,ease)}
#main .msg .sv-opts input:focus-visible+span{outline:2px solid var(--ink);outline-offset:2px}
@keyframes sv-pick{from{transform:scale(.92)}}
#main .msg .sv-error{margin:0 0 14px 34px;padding:10px 14px;border-radius:12px;background:#fff1e6;font-size:13px;color:#b4530b}
#main .msg .sv-go{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding-left:34px}
#main .msg .sv-go span{font-size:13px;color:var(--muted)}
#main .msg .msg-primary{display:inline-flex;align-items:center;justify-content:center;height:46px;margin:0;padding:0 26px;border:0;border-radius:999px;background:var(--button);color:var(--button-ink);font:inherit;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;transition:opacity .15s ease,transform .3s var(--spring-soft,ease)}
#main .msg .msg-primary:hover{opacity:.86}
#main .msg .msg-primary:active{transform:scale(.97)}
#main .msg .msg-primary:disabled{opacity:.55;cursor:wait}
#main .msg .msg-link{margin:0;padding:4px 2px;border:0;background:transparent;color:var(--muted);font:inherit;font-size:13px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
#main .msg .msg-link:hover{color:var(--ink)}
#main .msg .sv-done{margin-top:22px}
#main .msg .sv-done-head{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:17px;font-weight:650}
#main .msg .sv-tick{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#2fbf71}
#main .msg .sv-tick svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
#main .msg .sv-done.is-new .sv-tick{animation:sv-tick .6s var(--spring,ease) both}
#main .msg .sv-done.is-new .sv-advice{animation:msg-in .5s var(--spring-soft,ease) .15s both}
@keyframes sv-tick{from{transform:scale(0)}}
#main .msg .sv-answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin:0 0 16px;padding:16px 18px;border-radius:18px;background:var(--m-soft)}
#main .msg .sv-answers dt{font-size:12px;color:var(--muted)}
#main .msg .sv-answers dd{margin-top:2px;font-size:15px;font-weight:600}
#main .msg .sv-advice{padding:20px 22px 22px;border-radius:20px;background:color-mix(in srgb,var(--m-purple) 8%,var(--bg))}
#main .msg .sv-advice h3{margin:0 0 6px;font-size:14px;font-weight:600;color:var(--m-purple)}
#main .msg .sv-advice p{font-size:16px;font-weight:600;line-height:1.55}
#main .msg .sv-advice ul{margin:10px 0 0;padding-left:18px;font-size:14px;line-height:1.7;color:var(--muted)}
#main .msg .sv-advice .msg-primary{margin-top:16px}
#main .msg .sv-fine{margin-top:14px;font-size:13px;color:var(--muted)}

:root[data-theme=dark] #main .msg{--m-soft:#1c1c1e}
:root[data-theme=dark] #main .msg .msg-reader{background:#111}
:root[data-theme=dark] #main .msg :is(.sv-opts span,.msg-row[aria-current=true]){background:#2c2c2e}
:root[data-theme=dark] #main .msg .sv-advice{background:#21173a}
:root[data-theme=dark] #main .msg :is(.sv-error,.msg-error){background:#3a2210;color:#ffb066}

@media(max-width:760px){
 #main .msg .msg-panes{grid-template-columns:1fr}
 #main .msg.is-reading .msg-list,#main .msg:not(.is-reading) .msg-reader{display:none}
 #main .msg.is-reading .msg-head{display:none}
 #main .msg .msg-back{display:inline-flex}
 #main .msg .msg-reader{min-height:0;padding:20px 18px 26px;border-radius:22px}
 #main .msg .sv-opts,#main .msg .sv-go{padding-left:0}
 #main .msg .sv-error{margin-left:0}
 #main .msg .sv-answers{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){#main .msg *{animation:none!important;transition:none!important}}