/* MIMO Web + Control R1.3 — Product Design System / October 2026
 * Shared scales: readable UI, consistent SVG icons, four accents, system dark theme.
 * Builds on R1.2 functional CSS; no external webfonts or icon fonts required.
 */
:root{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --brand:#356df3;--brand-dark:#2559cf;--brand-soft:#ecf2ff;
  --ink:#202d42;--text:#2a3950;--muted:#64758d;--light:#f6f8fc;
  --line:#e5eaf3;--line2:#d6dfec;--surface:#fff;--surface-alt:#f5f7fb;
  --panel:#fff;--sidebar-bg:#f8f9fc;--field:#fff;--shadow:0 12px 38px rgba(24,41,75,.055);
  --ui-scale:1;--space-modifier:1;
}
html[data-accent="violet"]{--brand:#7657e8;--brand-dark:#5a3ac8;--brand-soft:#f1edff}
html[data-accent="teal"]{--brand:#0c927f;--brand-dark:#087360;--brand-soft:#e5f7f2}
html[data-accent="graphite"]{--brand:#444d63;--brand-dark:#293247;--brand-soft:#edf0f4}
html[data-font="large"]{--ui-scale:1.105}
html[data-font="extra"]{--ui-scale:1.19}
html[data-density="compact"]{--space-modifier:.82}
html[data-theme="dark"]{
  color-scheme:dark;--ink:#eff4ff;--text:#d8e1f0;--muted:#a9b6ca;--light:#111827;
  --line:#313d51;--line2:#42516a;--surface:#1a2433;--surface-alt:#202c3e;--sidebar-bg:#161f2d;
  --panel:#1b2636;--field:#192434;--shadow:0 18px 46px rgba(0,0,0,.20);
  --brand-soft:#283b63;
}
html[data-theme="dark"][data-accent="teal"]{--brand-soft:#174239}
html[data-theme="dark"][data-accent="violet"]{--brand-soft:#3d335b}
html[data-theme="dark"][data-accent="graphite"]{--brand:#9cadc8;--brand-dark:#7f92ad;--brand-soft:#344054}
html,body{font-size:calc(15px * var(--ui-scale));color:var(--ink);background:var(--light)}
body{-webkit-font-smoothing:auto;text-rendering:optimizeLegibility}
button,input,textarea{font-family:inherit}button{font-weight:600}
.m-icon{display:inline-block;width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
button:disabled{opacity:.5}
.hidden{display:none!important}
/* App surface */
.shell,.chat-main{background:var(--surface)}
.sidebar{width:286px;min-width:286px;padding:29px 14px 17px;background:var(--sidebar-bg);border-right:1px solid var(--line)}
.sidebar .brand{padding:1px 11px 28px}
.sidebar .brand .brand-full{width:171px;max-height:55px}
.brand-subtitle{font-size:calc(13px * var(--ui-scale));color:var(--muted);font-weight:520;padding-top:6px;letter-spacing:0}
.new-chat{height:52px;border:1px solid var(--line2);border-radius:14px;padding:12px 15px;background:var(--surface);box-shadow:0 4px 12px rgba(37,52,88,.03);font-size:calc(14px * var(--ui-scale));color:var(--ink);gap:12px}
.new-chat:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.new-chat .plus{width:21px;height:21px;display:grid;place-items:center;color:var(--brand)}
.new-chat .plus .m-icon{width:21px;height:21px;stroke-width:2.1}
.key-hint{font-size:12px;color:var(--muted);padding:4px 7px;background:var(--surface-alt);border:1px solid var(--line);font-weight:600;letter-spacing:.02em}
.side-heading{font-size:calc(13px * var(--ui-scale));font-weight:650;letter-spacing:0;text-transform:none;padding:29px 13px 11px;color:var(--muted)}
.history-item{font-size:calc(14px * var(--ui-scale));min-height:47px;padding:12px 13px;color:var(--text);font-weight:530;border-radius:11px;margin-bottom:4px}
.history-item::before{content:'';width:7px;height:7px;border-radius:50%;background:#a5b0c2;flex-shrink:0}
.history-item.active::before{background:var(--brand)}
.history-item:hover{background:var(--brand-soft)}
.history-item.active{background:var(--brand-soft);color:var(--brand);font-weight:680}
.side-footer{margin:10px 7px 0;padding:17px 3px 2px;border-top:1px solid var(--line)}
.settings-trigger{font-size:calc(14px * var(--ui-scale))!important;font-weight:620!important;min-height:46px!important;padding:12px 9px!important;color:var(--text)!important}
.settings-trigger>span:first-child{display:inline-flex;align-items:center}
.settings-trigger .m-icon{width:19px;height:19px}
.settings-arrow{margin-left:auto}
.settings-arrow .m-icon{width:17px;height:17px}
.side-info{font-size:calc(12px * var(--ui-scale));color:var(--muted);padding:9px 8px}
.release{font-size:11px;color:var(--muted);background:var(--surface-alt);border:1px solid var(--line)}
.chat-header{height:73px;padding:0 clamp(24px,4vw,62px);border-color:var(--line);background:var(--surface)}
.header-title{font-size:calc(15px * var(--ui-scale));color:var(--ink);font-weight:730}
.header-sub,.header-right{font-size:calc(13px * var(--ui-scale));color:var(--muted)}
.chat-column{max-width:920px;padding:0 clamp(20px,3.5vw,44px)}
.welcome{padding:15px 0 39px}
.welcome-emblem{width:86px;height:86px;margin-bottom:20px;border-radius:24px;border:0;box-shadow:0 9px 28px rgba(39,70,116,.08);background:none}
.welcome-emblem img{width:86px;height:86px}
.welcome .eyebrow{font-size:11px;letter-spacing:.19em;color:var(--brand);font-weight:730}
.welcome h1{font-size:clamp(33px,3.1vw,44px);line-height:1.37;letter-spacing:-.045em;font-weight:760;color:var(--ink);margin:13px 0 13px}
.welcome p{font-size:calc(15px * var(--ui-scale));color:var(--muted);margin:0 auto 28px;max-width:600px;line-height:1.75;font-weight:470}
.suggestions{gap:11px;max-width:none}
.suggestions button{display:inline-flex;align-items:center;gap:16px;min-height:47px;padding:11px 17px;font-size:calc(14px * var(--ui-scale));border-color:var(--line2);border-radius:13px;color:var(--text);background:var(--surface);font-weight:590;box-shadow:0 3px 11px rgba(28,49,78,.035)}
.suggestions button:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.suggestions span{margin:0;color:var(--muted);display:inline-grid;place-items:center}
.suggestions .m-icon{width:16px;height:16px}
.messages{padding-top:36px;gap:calc(31px * var(--space-modifier));padding-bottom:12px}
.message-row{gap:15px}
.message-avatar{width:40px;height:40px;flex-basis:40px;border-radius:12px;background:transparent;box-shadow:none}
.message-avatar img{width:39px;height:39px}
.message-name{font-size:calc(14px * var(--ui-scale));margin:7px 0 12px;color:var(--ink);font-weight:730}
.message-row.user .message-body{font-size:calc(15px * var(--ui-scale));line-height:1.7;color:var(--text);background:var(--surface-alt);border:1px solid var(--line);padding:14px 18px;max-width:min(84%,650px)}
.message-row.assistant .message-body,.md{font-size:calc(15px * var(--ui-scale));line-height:1.83;color:var(--text)}
.md h1{font-size:calc(25px * var(--ui-scale));color:var(--ink)}
.md h2{font-size:calc(21px * var(--ui-scale));color:var(--ink)}
.md h3{font-size:calc(18px * var(--ui-scale));color:var(--ink)}
.md p{margin-bottom:15px}
.md code,.md pre{border-radius:8px}
.message-actions button{font-size:calc(13px * var(--ui-scale));color:var(--muted);padding:8px 11px}
.progress-area{padding:20px 0 34px}
.thinking{gap:15px}.thinking-panel{max-width:570px}
.thinking-top{font-size:calc(15px * var(--ui-scale));color:var(--ink)}
.thinking-header strong{font-size:calc(14px * var(--ui-scale));color:var(--text)}
.thinking-list{max-width:520px;background:var(--surface-alt);border-color:var(--line);padding:18px 20px;border-radius:16px}
.thinking-item{font-size:calc(13px * var(--ui-scale));color:var(--text)}
.thinking-tip{font-size:calc(12px * var(--ui-scale));color:var(--muted)}
.composer-wrap{padding:13px clamp(18px,3vw,40px) 17px;background:linear-gradient(0deg,var(--surface) 80%,transparent)}
.composer-container{max-width:846px}
.composer{background:var(--panel);border:1px solid var(--line2);border-radius:21px;padding:16px 18px 13px;box-shadow:0 11px 38px rgba(24,48,87,.08)}
.composer:focus-within{border-color:var(--brand);box-shadow:0 10px 32px rgba(45,94,178,.12)}
.composer textarea{font-size:calc(16px * var(--ui-scale));font-weight:450;min-height:43px;line-height:1.7;color:var(--ink);background:transparent}
.composer textarea::placeholder{color:var(--muted)}
.composer-tools{padding-top:9px}
.composer-tools-left{gap:11px}
.attach-button{width:38px;height:38px;border:1px solid var(--line);border-radius:11px;background:var(--surface-alt);color:var(--text)}
.attach-button .m-icon{width:19px;height:19px}
.attach-button:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.attachment-label{font-size:calc(13px * var(--ui-scale));font-weight:580;color:var(--text);cursor:pointer}
.send-limit{font-size:calc(12px * var(--ui-scale));font-weight:500;color:var(--muted);margin-left:8px}
.send-button{width:42px;height:42px;background:var(--brand);border-radius:13px;box-shadow:0 6px 15px rgba(44,103,229,.20)}
.send-button:hover:not(:disabled){background:var(--brand-dark)}
.send-button .m-icon{width:22px;height:22px;stroke-width:2.35}
.composer-note{font-size:calc(11px * var(--ui-scale));color:var(--muted);margin-top:10px;line-height:1.55}
.file-chip{font-size:13px;background:var(--brand-soft);color:var(--brand)}
.reply-banner{font-size:13px}
/* Preferences */
.settings-dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);width:min(620px,calc(100vw - 30px));max-height:min(92dvh,850px);border-radius:23px;box-shadow:0 26px 90px rgba(0,0,0,.16)}
.settings-dialog::backdrop{background:rgba(15,24,45,.40)}
.settings-dialog-head{padding:24px 31px 20px;border-bottom:1px solid var(--line)}
.settings-dialog-head h2{font-size:25px;color:var(--ink)}
.settings-dialog-content{padding:24px 31px 30px}
.settings-section-title{font-size:14px;font-weight:730;color:var(--ink);letter-spacing:0;margin-bottom:16px}
.settings-section-title.section-separated{padding-top:23px;border-top:1px solid var(--line);margin-top:26px}
.pref-group{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 0;min-height:72px}
.pref-group+.pref-group{border-top:1px solid var(--line)}
.pref-label{max-width:230px}.pref-label strong{font-size:14px;color:var(--ink);font-weight:650}
.pref-label p{font-size:12px;color:var(--muted);line-height:1.5;margin:6px 0 0}
.pref-options{display:flex;gap:5px;padding:5px;background:var(--surface-alt);border-radius:12px;border:1px solid var(--line)}
.pref-options button{border:0;display:inline-flex;gap:6px;align-items:center;justify-content:center;white-space:nowrap;background:transparent;color:var(--muted);font-size:12px;border-radius:8px;padding:10px 11px;font-weight:610}
.pref-options button.active{background:var(--surface);color:var(--brand);box-shadow:0 2px 10px rgba(24,50,89,.08)}
.pref-options .m-icon{width:15px;height:15px}
.pref-swatches{display:flex;gap:13px;padding-right:8px}
.pref-swatches button{width:29px;height:29px;border:3px solid var(--surface);outline:2px solid transparent;outline-offset:2px;border-radius:50%;background:var(--swatch)}
.pref-swatches button.active{outline-color:var(--brand)}
.settings-danger-card,.settings-account-row{background:var(--surface);color:var(--text);border-color:var(--line)}
.settings-danger-text strong,.settings-account-row strong{font-size:14px;color:var(--ink)}
.settings-danger-text p,.settings-account-row p{font-size:13px;color:var(--muted);line-height:1.6}
.settings-danger-outline,.settings-cancel{font-size:13px}
.settings-account-row{border-top-color:var(--line)}
/* Admin product shell */
.admin-app,.admin-shell{background:var(--light)}
.admin-side{width:272px;min-width:272px;background:var(--surface);border-right:1px solid var(--line);padding:30px 15px 21px}
.admin-side .brand{padding:0 12px 30px;gap:6px}
.admin-side .brand .admin-brand-img{width:159px;max-height:49px}
.admin-brand-tag{background:var(--brand-soft);color:var(--brand);font-size:11px;letter-spacing:.08em;font-weight:750;border-radius:6px;padding:5px 8px}
.admin-side .side-heading{font-size:13px;color:var(--muted);padding:16px 14px 11px;letter-spacing:0}
.admin-nav{min-height:51px;padding:13px 14px;gap:13px;margin:3px 0;font-size:calc(15px * var(--ui-scale));font-weight:600;color:var(--text);border-radius:12px}
.admin-nav .nav-ico{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}
.admin-nav .nav-ico .m-icon{width:21px;height:21px;stroke-width:1.9}
.admin-nav.active{color:var(--brand);background:var(--brand-soft)}
.admin-nav:hover{background:var(--brand-soft)}
.admin-nav b{font-size:12px;background:var(--surface-alt);color:var(--text);border:1px solid var(--line);padding:4px 8px;border-radius:9px}
.admin-side-bottom{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding:19px 10px 4px}
.logout{font-size:13px;color:var(--muted)}
.admin-main{padding:0 clamp(24px,3.1vw,55px) 45px;max-height:100dvh;scrollbar-color:var(--line2) transparent}
.admin-top{height:115px;margin-bottom:25px;border-color:var(--line)}
.admin-top .eyebrow{font-size:12px;color:var(--brand);letter-spacing:.11em}
.admin-top h1{font-size:clamp(26px,2vw,31px);font-weight:750;color:var(--ink);margin:8px 0 0}
.top-actions .outline-button{display:inline-flex;gap:9px;align-items:center}
.top-actions .outline-button .m-icon{width:18px;height:18px}
.admin-avatar{width:42px;height:42px;background:var(--surface);border:1px solid var(--line)}
.outline-button{font-size:calc(14px * var(--ui-scale));font-weight:600;padding:11px 15px;color:var(--text);background:var(--surface);border:1px solid var(--line2);border-radius:11px}
.outline-button:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
.primary-button{background:var(--brand);font-size:calc(14px * var(--ui-scale));padding:12px 17px;border-radius:11px}
.primary-button:hover{background:var(--brand-dark)}
.primary-button .m-icon{width:18px;height:18px;margin-left:4px}
.stats{gap:20px;margin-bottom:23px}
.stat{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);padding:25px 29px;border-radius:17px}
.stat:first-child{background:var(--panel);border-color:var(--line)}
.stat span{font-size:calc(14px * var(--ui-scale));font-weight:650;color:var(--muted)}
.stat strong{font-size:37px;color:var(--ink);font-weight:760;margin:10px 0 5px}
.stat small{font-size:calc(12px * var(--ui-scale));color:var(--muted)}
.workarea{grid-template-columns:minmax(300px,32%) minmax(0,1fr);gap:21px;min-height:620px}
.ticket-list,.ticket-detail,.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.panel-head{padding:22px 24px;border-color:var(--line)}
.panel-head h2{font-size:calc(17px * var(--ui-scale));font-weight:710;color:var(--ink)}
.panel-head small{font-size:13px;color:var(--muted)}
.mini-refresh{color:var(--muted);background:var(--surface-alt);border:1px solid var(--line);border-radius:10px;min-width:37px;min-height:37px}
.mini-refresh .m-icon{width:18px;height:18px}
.ticket-item{padding:20px 23px;border-color:var(--line);gap:13px}
.ticket-item.active{border-left-color:var(--brand);background:var(--brand-soft)}
.ticket-item strong{font-size:calc(15px * var(--ui-scale));color:var(--ink)}
.ticket-item p{font-size:calc(13px * var(--ui-scale));color:var(--muted)}
.ticket-item time,.ticket-item .ticket-line small{font-size:12px;color:var(--muted)}
.pill{background:var(--brand-soft);color:var(--brand);font-size:12px;padding:7px 12px}
.detail-bar{padding:23px 26px 19px;border-color:var(--line)}
.detail-bar h2{font-size:calc(19px * var(--ui-scale));color:var(--ink)}
.detail-bar small{font-size:13px;color:var(--muted)}
.task-chat{background:var(--surface);padding:24px 26px;min-height:230px;max-height:380px;gap:16px}
.admin-message .admin-message-label{font-size:13px;color:var(--muted)}
.admin-message.user .admin-message-content{background:var(--surface-alt);color:var(--text);font-size:calc(14px * var(--ui-scale))}
.admin-message.assistant .admin-message-content{background:var(--brand-soft);color:var(--ink);font-size:calc(14px * var(--ui-scale))}
.admin-file{font-size:13px;color:var(--brand)}
.task-actions{padding:17px 26px;border-color:var(--line);gap:10px}
.reply-editor{padding:23px 26px;border-color:var(--line)}
.reply-editor-top strong{font-size:calc(15px * var(--ui-scale));color:var(--ink)}
.reply-editor-top span{font-size:13px;color:var(--muted)}
.reply-editor textarea{font-size:calc(15px * var(--ui-scale));line-height:1.8;min-height:160px;background:var(--field);color:var(--ink);border-color:var(--line2);border-radius:12px}
.reply-editor textarea::placeholder{color:var(--muted)}
.reply-preview{background:var(--surface-alt);border:1px solid var(--line);color:var(--text)}
.reply-actions{gap:10px}.reply-actions button{min-height:43px}
.empty-task{padding:65px 25px}
.empty-task .empty-brand{width:78px;height:78px;opacity:1;filter:none}
.empty-task h3{font-size:22px;color:var(--ink);font-weight:680}
.empty-task p{font-size:14px;color:var(--muted);line-height:1.8}
.history-panel,.settings-panel{max-width:none;width:100%}
.settings-panel{padding:32px 37px;max-width:none}
.settings-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 22px}
.settings-panel-head .eyebrow{color:var(--brand);font-size:12px}
.settings-panel h2{font-size:24px;color:var(--ink);margin-top:8px}
.panel-state{display:flex;align-items:center;gap:12px;background:var(--brand-soft);color:var(--brand);border-radius:99px;padding:9px 13px;font-size:13px;font-weight:650}
.settings-panel>p{font-size:calc(14px * var(--ui-scale));color:var(--muted);line-height:1.8;margin-bottom:25px}
.setting-row{min-height:64px;border-bottom:1px solid var(--line);font-size:calc(15px * var(--ui-scale));display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--text)}
.setting-row strong{color:var(--ink)}
.settings-panel .help-note{background:var(--surface-alt);border:1px solid var(--line);border-radius:12px;padding:17px 20px;font-size:calc(13px * var(--ui-scale));color:var(--muted);margin-top:25px}
.settings-panel button{margin-top:16px}
.toast{background:var(--ink);color:var(--surface);font-size:14px}
/* Auth */
.login-screen{background:var(--light);color:var(--ink)}
.login-card{background:var(--panel);border-color:var(--line);box-shadow:var(--shadow);width:min(465px,calc(100vw - 36px));padding:46px 42px 35px}
.login-card .login-wordmark{width:207px}
.login-kicker{font-size:12px;color:var(--brand);letter-spacing:.14em}
.login-card h1{font-size:32px;color:var(--ink);font-weight:750}
.login-card p{font-size:14px;color:var(--muted);line-height:1.8}
.login-card label{font-size:14px;color:var(--text)}
.password-field input{background:var(--field);border-color:var(--line2);color:var(--ink);font-size:16px;height:54px}
.password-toggle{font-size:13px;color:var(--muted)}
.login-card .primary-button{height:53px;font-size:15px}
.login-footer{font-size:12px;color:var(--muted)}
/* Dark theme: explicit correction of R1.2 hardcoded colors */
html[data-theme="dark"] .sidebar,html[data-theme="dark"] .admin-side{background:var(--sidebar-bg);border-color:var(--line)}
html[data-theme="dark"] .chat-main,html[data-theme="dark"] .chat-header,html[data-theme="dark"] .composer-wrap{background:var(--surface)}
html[data-theme="dark"] .welcome h1,html[data-theme="dark"] .welcome p,html[data-theme="dark"] .brand-subtitle{color:var(--ink)}
html[data-theme="dark"] .new-chat,html[data-theme="dark"] .suggestions button,html[data-theme="dark"] .composer,html[data-theme="dark"] .outline-button,html[data-theme="dark"] .ticket-list,html[data-theme="dark"] .ticket-detail,html[data-theme="dark"] .panel,html[data-theme="dark"] .stat{background:var(--panel);border-color:var(--line);color:var(--text)}
html[data-theme="dark"] .admin-nav,html[data-theme="dark"] .history-item,html[data-theme="dark"] .settings-trigger{color:var(--text)!important}
html[data-theme="dark"] .admin-nav.active,html[data-theme="dark"] .history-item.active{color:var(--brand)!important}
html[data-theme="dark"] .settings-dialog,html[data-theme="dark"] .login-card{background:var(--panel);color:var(--ink)}
html[data-theme="dark"] .settings-dialog h2,html[data-theme="dark"] .settings-dialog strong{color:var(--ink)}
html[data-theme="dark"] .reply-editor textarea{background:var(--field);color:var(--ink)}
html[data-theme="dark"] .ticket-item,html[data-theme="dark"] .ticket-item p{color:var(--text)}
html[data-theme="dark"] .message-actions button,html[data-theme="dark"] .header-sub,html[data-theme="dark"] .header-right{color:var(--muted)}
html[data-theme="dark"] .user-file{color:var(--text);background:var(--panel)!important;border-color:var(--line)!important}
html[data-theme="dark"] .reply-banner{background:var(--brand-soft);color:var(--text)}
html[data-theme="dark"] .settings-account-row,html[data-theme="dark"] .settings-danger-card{background:var(--panel)}
/* responsive */
@media(max-width:1180px){.admin-side{width:246px;min-width:246px}.admin-main{padding-left:27px;padding-right:27px}.workarea{grid-template-columns:minmax(270px,34%) minmax(0,1fr)}.task-actions{flex-wrap:wrap}}
@media(max-width:900px){.sidebar{width:268px;min-width:268px}.chat-header{padding:0 28px}.admin-main{padding-left:22px;padding-right:22px}.admin-side{width:225px;min-width:225px}.stats{gap:12px}.stat{padding:21px 18px}.workarea{grid-template-columns:minmax(230px,35%) minmax(0,1fr);gap:12px}}
@media(max-width:760px){
 .sidebar{width:282px;min-width:282px}.chat-header{padding:0 17px;height:61px}.chat-header .header-right{display:none}.chat-column{padding:0 17px}.welcome{padding:24px 0 44px}.welcome-emblem,.welcome-emblem img{width:74px;height:74px}.welcome h1{font-size:32px}.welcome p{font-size:14px;line-height:1.7;padding:0 6px}.suggestions button{font-size:13px;min-height:43px;padding:10px 12px}.suggestions .m-icon{width:15px;height:15px}
 .message-row.user .message-body,.md{font-size:calc(14px * var(--ui-scale))}.composer-wrap{padding:8px 10px 12px}.composer{padding:12px 13px;border-radius:17px}.composer textarea{font-size:calc(15px * var(--ui-scale))}.send-limit{font-size:11px;margin-left:0}.attachment-label{display:none}.composer-note{font-size:11px}.attach-button{height:36px;width:36px}.send-button{height:39px;width:39px}
 .admin-shell{display:block}.admin-side{width:100%;min-width:0;height:auto;position:sticky;top:0;z-index:30;padding:10px 10px;display:flex;flex-direction:row;align-items:center;overflow-x:auto;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(23,44,84,.08)}.admin-side .brand{min-width:120px;padding:3px 9px 3px 4px}.admin-side .brand .admin-brand-img{width:105px}.admin-side .side-heading,.admin-side-bottom{display:none}.admin-brand-tag{font-size:9px}.admin-nav{font-size:13px;min-height:42px;padding:9px 10px;white-space:nowrap;gap:7px}.admin-nav .nav-ico,.admin-nav .nav-ico .m-icon{width:18px;height:18px}.admin-main{max-height:none;padding:0 14px 28px}.admin-top{height:92px;margin-bottom:16px}.admin-top h1{font-size:22px}.top-actions .outline-button{font-size:12px;padding:10px}.stats{gap:9px}.stat{padding:17px 12px}.stat strong{font-size:29px}.stat span{font-size:12px}.stat small{font-size:11px}.workarea{display:flex;flex-direction:column;gap:15px}.ticket-scroll{max-height:255px}.ticket-detail{min-height:520px}.task-chat{padding:20px}.reply-editor{padding:20px}.task-actions{padding:15px;flex-wrap:wrap}.task-actions button{font-size:13px}.reply-actions{flex-wrap:wrap}.reply-actions button{flex:1}.settings-panel{padding:24px 20px}
 .pref-group{flex-direction:column;align-items:stretch;gap:12px}.pref-options{align-self:stretch}.pref-options button{flex:1}.pref-swatches{justify-content:flex-start}.settings-dialog-head{padding:22px}.settings-dialog-content{padding:22px}.login-card{padding:34px 25px}
}
@media(max-width:420px){.chat-header .header-sub{display:none}.suggestions{gap:7px}.suggestions button{font-size:12px}.composer-tools-left{gap:7px}.settings-panel-head{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stat small{display:none}.stat strong{margin-bottom:0}.admin-side .brand{min-width:105px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

/* Preserve readable black-and-gold official mark when dark surfaces are selected */
html[data-theme="dark"] .brand-full,html[data-theme="dark"] .admin-brand-img,html[data-theme="dark"] .login-wordmark{background:#fff;border-radius:10px;padding:4px 7px;max-height:none}
html[data-theme="dark"] .welcome .eyebrow,html[data-theme="dark"] .admin-top .eyebrow{color:#93afff}
html[data-theme="dark"] .admin-nav.active,html[data-theme="dark"] .history-item.active{background:var(--brand-soft)}

/* R1.3.1 precision correction — neutral chat input focus and centered empty queue. */
.user-app .composer textarea:focus,
.user-app .composer textarea:focus-visible{
  outline:none;
  outline-offset:0;
  box-shadow:none;
  border:0;
}
.user-app .composer:focus-within{
  border-color:var(--line2);
  box-shadow:0 11px 38px rgba(24,48,87,.08);
}
html[data-theme="dark"] .user-app .composer:focus-within{
  border-color:var(--line2);
  box-shadow:var(--shadow);
}
.ticket-scroll:has(> .empty-queue){
  display:flex;
  flex-direction:column;
}
.empty-queue{
  flex:1;
  min-height:240px;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:11px;
  padding:36px 20px;
  text-align:center;
  color:var(--muted);
}
.empty-queue-mark{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:18px;
  color:var(--muted);
}
.empty-queue-mark .m-icon{width:25px;height:25px;stroke-width:1.7}
.empty-queue-title{font-size:calc(15px * var(--ui-scale));font-weight:650;color:var(--text)}
.empty-queue-hint{font-size:calc(13px * var(--ui-scale));line-height:1.6;margin:0;color:var(--muted)}
@media(max-width:760px){.empty-queue{min-height:185px;padding:28px 15px}}