/* Bot controls: rounded-design-baseline, preserving the existing palette. */
:root{--ink:#22354f;--muted:#65758c;--line:#dce4ef;--blue:#306bd8;--paper:#fff;--bg:#f2f5f9;--soft:#edf2f8;--selected:#eaf0ff;--control:48px;--radius:16px;--card-radius:24px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
h1,h2,p{margin:0}h1{font-size:28px;line-height:1.3;font-weight:700}h2{font-size:19px;line-height:1.4;font-weight:650}
a{color:var(--blue)}small,.muted,.form-note{color:var(--muted)}small,.form-note{font-size:13px;line-height:1.6}
main{max-width:1160px;margin:24px auto;padding:28px 36px 64px}
.panel,.device-group{background:var(--paper);border:1px solid var(--line);border-radius:var(--card-radius);box-shadow:0 8px 24px #22354f06}
.panel{padding:22px;margin-top:16px}.panel>*+*{margin-top:16px}
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:var(--control);padding:10px 20px;border:1px solid var(--blue);border-radius:var(--radius);background:var(--blue);color:#fff;text-decoration:none;font:inherit;font-weight:650;line-height:1.4;white-space:nowrap;cursor:pointer;touch-action:manipulation;transition:background-color .15s,border-color .15s,box-shadow .15s}
button,.button{box-shadow:0 6px 13px #306bd812}
.secondary{background:var(--paper);border-color:#cdd8e7;color:#405779;box-shadow:none}
.quiet{background:transparent;border-color:transparent;color:var(--muted);box-shadow:none}
.primary{background:var(--blue)!important;border-color:var(--blue)!important;color:white!important}
button:disabled,.button[aria-disabled="true"]{opacity:.48;cursor:not-allowed;box-shadow:none}
@media(hover:hover){button:not(:disabled):hover,.button[href]:hover{filter:brightness(.97)}.secondary:not(:disabled):hover{background:#f7f9fc;border-color:#aebfd7}}
:is(button,a,input,select,textarea,summary):focus-visible{outline:3px solid #306bd86b;outline-offset:3px}
label{display:block;color:var(--muted);font-size:14px;font-weight:500}
input:not([type=radio]):not([type=checkbox]),select,textarea{display:block;width:100%;min-width:0;min-height:var(--control);padding:11px 14px;border:1px solid #cdd8e7;border-radius:14px;background:var(--paper);color:var(--ink);font:inherit;font-size:16px;line-height:1.5;margin-top:8px;transition:border-color .15s,box-shadow .15s}
input::placeholder,textarea::placeholder{color:#7c899b}
:is(input,select,textarea):focus-visible{border-color:var(--blue);box-shadow:0 0 0 3px #306bd810;outline:2px solid #306bd86b;outline-offset:2px}
textarea{resize:vertical;min-height:112px}select{padding-right:32px}form>label+label,form>.grid+label{margin-top:16px}form>button,.full{width:100%;margin-top:16px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.icon-button{width:44px;height:44px;min-height:44px;min-width:44px;flex:none;padding:11px;border-radius:15px;background:var(--paper);border-color:var(--line);color:#405779;box-shadow:none}
.icon-button svg{display:block;width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
summary{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}summary::after{content:'＋';margin-left:auto;color:var(--muted);font-size:18px;flex:none}details[open]>summary::after{content:'－'}
pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:16px;font-size:13px;line-height:1.7}pre code{font:inherit}
dialog{width:min(520px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--paper);color:var(--ink);box-shadow:0 16px 50px #22354f20}dialog::backdrop{background:#22354f55;backdrop-filter:blur(3px)}dialog .row{margin-bottom:16px}dialog h2{font-size:21px}
[hidden]{display:none!important}
@media(max-width:700px){main{margin:0 auto;padding:20px 18px 48px}.panel{padding:20px}.grid{gap:12px}h1{font-size:25px}}
@media(max-width:360px){main{padding:20px 14px 40px}.panel{padding:18px}.grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.loading-screen{position:fixed;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--bg);padding:24px;text-align:center}.loading-screen p{margin:0;color:var(--muted)}.loading-mark{display:block;width:48px;height:48px;border:4px solid #dfe7f3;border-top-color:var(--blue);border-radius:50%;animation:loading-turn 1s linear infinite}@keyframes loading-turn{to{transform:rotate(360deg)}}