:root{--bg:#f3f6fb;--panel:#fff;--text:#142033;--muted:#738096;--line:#e5eaf1;--blue:#0b6cff;--blue2:#0757cc;--nav:#0d1728;--nav2:#132239;--ok:#16b978;--shadow:0 22px 70px rgba(24,47,85,.14);--danger:#d74444}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}.hidden{display:none!important}button{cursor:pointer}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:850;color:#748399}.subtle{color:var(--muted);font-size:12px;line-height:1.5}code{background:#edf1f7;padding:2px 5px;border-radius:5px}
.login-shell,.setup-bg{min-height:100%;background:radial-gradient(circle at 12% 8%,#d8e9ff,transparent 30%),radial-gradient(circle at 92% 88%,#e9f0ff,transparent 35%),#f7f9fc}.login-shell{display:grid;place-items:center;padding:24px}.login-card,.setup-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.login-card{width:min(430px,100%);border-radius:30px;padding:42px;text-align:center}.brand-mark,.orb{width:60px;height:60px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(145deg,#0b6cff,#65a7ff);color:#fff;font-size:28px;box-shadow:0 15px 34px rgba(11,108,255,.26);margin:0 auto 18px}.login-card h1,.setup-card h1{margin:7px 0 0;font-size:30px;letter-spacing:-.03em}.login-card>p{margin:7px 0 28px;color:var(--muted)}label{display:grid;gap:7px;font-size:12px;font-weight:750;color:#566278;text-align:left}.login-card form{display:grid;gap:15px}.login-card input,.setup-form input,.setup-form select,.admin-card input,.admin-card select,.modal-form textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:#fbfcfe;outline:none}.login-card input:focus,.setup-form input:focus,.admin-card input:focus,.admin-card select:focus,.modal-form textarea:focus{border-color:#86b8ff;box-shadow:0 0 0 3px #e7f1ff;background:#fff}.primary{border:0;border-radius:13px;padding:13px 16px;background:var(--blue);color:#fff;font-weight:850;box-shadow:0 8px 20px rgba(11,108,255,.18)}.primary:hover{background:var(--blue2)}.primary.big{padding:14px 20px}.error{color:#c93131;font-size:13px;margin-top:12px}
.setup-wrap{min-height:100vh;display:grid;place-items:center;padding:40px 20px}.setup-card{width:min(760px,100%);border-radius:30px;padding:38px}.setup-card .lead{text-align:center;color:var(--muted);margin:8px 0 20px}.setup-card>.eyebrow,.setup-card>h1{text-align:center}.requirements{width:max-content;max-width:100%;margin:0 auto 25px;padding:8px 12px;border-radius:999px;background:#f2f7f5;color:#4c655b;font-size:11px;display:flex;align-items:center;gap:7px}.okdot{width:7px;height:7px;border-radius:50%;background:var(--ok)}.setup-form{display:grid;gap:18px}.form-section{border:1px solid var(--line);border-radius:18px;padding:18px}.form-section h3{margin:0 0 14px;font-size:15px}.form-section label{margin-bottom:12px}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.optional{font-weight:500;color:#9aa5b5}.setup-note{text-align:center;color:var(--muted);font-size:11px}.alert{padding:11px 14px;border-radius:12px;margin:14px 0}.errorbox{background:#fff0f0;color:#a22d2d;border:1px solid #ffd1d1}
.app{height:100%;display:grid;grid-template-columns:272px 1fr}.sidebar{background:linear-gradient(180deg,var(--nav),#0b1423);color:#dbe6f6;padding:18px 14px;display:flex;flex-direction:column;gap:18px}.side-brand{display:flex;align-items:center;gap:11px;padding:3px 9px;height:48px}.side-brand>span{width:34px;height:34px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff}.side-brand>div{display:grid;gap:2px}.side-brand b{font-size:16px}.side-brand small{font-size:9px;letter-spacing:.11em;text-transform:uppercase;color:#71819a}.side-btn{background:#1b2b45!important;color:#fff!important;border:1px solid #2b3b55!important;text-align:center!important;font-weight:750}.sidebar nav{display:grid;gap:4px;overflow:auto}.nav-label{font-size:9px;letter-spacing:.15em;color:#617089;font-weight:850;padding:12px 12px 5px}.sidebar button{width:100%;border:0;background:transparent;color:#adbbcf;border-radius:11px;padding:10px 12px;text-align:left}.sidebar nav button{display:flex;align-items:center;gap:10px}.sidebar nav button i,.side-bottom i{font-style:normal;width:18px;text-align:center;color:#778ba8}.sidebar button:hover{background:#15243a;color:#fff}.side-bottom{margin-top:auto;border-top:1px solid #223047;padding-top:12px;display:grid;gap:5px}.chat-shell{min-width:0;display:grid;grid-template-rows:66px 1fr auto auto auto;background:#fff}.topbar{border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);z-index:5}.top-left,.top-actions{display:flex;align-items:center;gap:12px}.top-left>div{display:grid}.top-left small{font-size:10px;color:var(--muted);margin-top:2px}.status{font-size:11px;color:#536174;display:flex;align-items:center;gap:7px}.status span{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px #e6f8f0}.model-badge{font-size:10px;font-weight:800;padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:#4f6078;background:#fbfcfe}.circle-btn,.mobile-menu{border:0;background:#f0f3f7;border-radius:10px;width:34px;height:34px}.circle-btn.active{background:#e6f1ff;box-shadow:inset 0 0 0 1px #b9d5ff}.mobile-menu{display:none;font-size:18px}.messages{overflow:auto;padding:30px 7vw 18px;background:linear-gradient(180deg,#fff,#fcfdff)}.welcome{max-width:780px;margin:8vh auto 0;text-align:center}.welcome .orb{width:56px;height:56px}.welcome h2{font-size:34px;letter-spacing:-.04em;margin:10px 0 8px}.welcome>p{color:var(--muted);line-height:1.55;max-width:670px;margin:0 auto 24px}.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:650px;margin:auto}.suggestions button{border:1px solid var(--line);border-radius:15px;background:#fff;padding:14px 15px;text-align:left;color:#334057;display:grid;gap:3px}.suggestions button:hover{border-color:#afd0ff;background:#f8fbff;transform:translateY(-1px)}.suggestions span{font-size:10px;color:#8995a7}.msg{max-width:880px;margin:0 auto 18px;display:flex;gap:12px}.msg.user{justify-content:flex-end}.bubble{max-width:min(730px,84%);border-radius:18px;padding:13px 16px;line-height:1.55}.user .bubble{background:#edf4ff;color:#19385f;border-bottom-right-radius:6px}.assistant .bubble{background:#f7f8fa;border:1px solid #eceff4;border-bottom-left-radius:6px}.avatar{flex:0 0 34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center}.typing{opacity:.68}.system-notice{max-width:880px;margin:0 auto 20px;padding:10px 13px;background:#fff8e7;color:#806123;border:1px solid #f5dda1;border-radius:12px;font-size:12px}.file-chip{width:min(940px,calc(100% - 32px));margin:0 auto 8px;padding:9px 12px;border:1px solid #cfe0fb;background:#f4f8ff;border-radius:12px;font-size:11px;color:#31537d;display:flex;gap:5px;align-items:center}.file-chip button{margin-left:auto;border:0;background:transparent}.composer{width:min(940px,calc(100% - 32px));margin:0 auto;display:flex;align-items:flex-end;gap:8px;border:1px solid #dfe5ee;border-radius:20px;padding:8px;background:#fff;box-shadow:0 12px 30px rgba(35,50,75,.09)}.composer:focus-within{border-color:#8bbcff;box-shadow:0 0 0 3px #e7f1ff,0 12px 30px rgba(35,50,75,.09)}.composer textarea{flex:1;resize:none;border:0;outline:none;padding:10px 4px;max-height:170px;min-height:42px;background:transparent}.tool-btn,.send{width:42px;height:42px;border:0;border-radius:13px;display:grid;place-items:center}.tool-btn{background:#f1f4f8;color:#42526a}.tool-btn.recording{background:#ffe6e6;color:#b32121;animation:pulse 1s infinite}.send{background:var(--blue);color:#fff;font-size:18px}.send:disabled{opacity:.5}.hint{text-align:center;color:#a1a9b6;font-size:9px;padding:7px 8px 12px}@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(215,68,68,.12)}}
dialog{border:0;border-radius:22px;box-shadow:var(--shadow);padding:0;color:var(--text)}dialog::backdrop{background:rgba(8,18,34,.48);backdrop-filter:blur(4px)}.admin-dialog{width:min(1000px,94vw);max-height:88vh}.small-dialog{width:min(560px,94vw)}.dialog-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:18px 22px}.dialog-head h3{margin:4px 0 0}.dialog-close{border:0;background:#f0f3f6;border-radius:10px;width:34px;height:34px}.admin-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);padding:10px 18px}.tab{border:0;background:transparent;padding:9px 13px;border-radius:10px;font-weight:750;color:#69768a}.tab.active{background:#edf4ff;color:#225ea8}.tab-panel{display:none;padding:20px;max-height:67vh;overflow:auto}.tab-panel.active{display:block}.admin-grid{display:grid;grid-template-columns:320px 1fr;gap:18px}.admin-card{border:1px solid var(--line);border-radius:17px;padding:17px;background:#fff}.admin-card h4{margin:0 0 13px}.admin-card label{margin-bottom:10px}.card-title-row{display:flex;justify-content:space-between;align-items:center}.pill{font-size:9px;padding:5px 8px;border-radius:999px;background:#edf3ff;color:#315fa8;white-space:nowrap}.user-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.user-avatar{width:34px;height:34px;border-radius:11px;background:#e9f2ff;color:#2665ad;display:grid;place-items:center;font-weight:850}.user-main{display:grid;min-width:0;margin-right:auto}.user-main small{color:var(--muted);font-size:10px}.mini-switch{border:0;border-radius:999px;padding:5px 8px;font-size:9px;background:#f1f2f5;color:#788396}.mini-switch.on{background:#e5f8ef;color:#198252}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.switch-row{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:12px;padding:11px 12px}.switch-row input{width:18px!important;margin:0!important}.settings-save{grid-column:1/-1;display:flex;align-items:center;gap:13px}.settings-save span{font-size:12px;color:#476a57}.audit-row{display:grid;grid-template-columns:170px 1fr 140px;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:11px}.audit-row time,.audit-row span{color:var(--muted)}.modal-form{padding:20px;display:grid;gap:15px}.modal-form textarea{resize:vertical;min-height:130px}.image-result img{display:block;max-width:100%;border-radius:14px;margin:10px 0}.image-result a{font-size:11px;color:#2366b3;text-decoration:none}
@media(max-width:820px){.app{grid-template-columns:1fr}.sidebar{position:fixed;z-index:30;left:-290px;top:0;bottom:0;width:272px;transition:.2s}.sidebar.open{left:0;box-shadow:24px 0 55px rgba(0,0,0,.2)}.mobile-menu{display:block}.topbar{padding:0 12px}.model-badge{display:none}.status{display:none}.messages{padding:18px 12px}.welcome{margin-top:5vh}.welcome h2{font-size:28px}.suggestions{grid-template-columns:1fr}.composer,.file-chip{width:calc(100% - 18px)}.bubble{max-width:88%}.admin-grid,.settings-grid,.two{grid-template-columns:1fr}.settings-save{grid-column:auto}.audit-row{grid-template-columns:1fr}.setup-card{padding:25px 18px}.login-card{padding:34px 24px}}
.back-public{display:inline-block;margin-top:18px;font-size:10px;color:#718198;text-decoration:none}.back-public:hover{color:var(--blue)}.side-link{width:100%;border:0;background:transparent;color:#adbbcf;border-radius:11px;padding:10px 12px;text-align:left;text-decoration:none;font-size:13px;display:flex;align-items:center;gap:10px}.side-link i{font-style:normal;width:18px;text-align:center;color:#778ba8}.side-link:hover{background:#15243a;color:#fff}.secondary{border:1px solid var(--line);background:#f7f9fc;color:#46566d;border-radius:11px;padding:10px 12px;font-weight:800}.secondary:hover{background:#eef4ff;border-color:#bfd5f7}.field-help{display:block;margin:-4px 0 9px;color:#96a1b0;font-size:9px}.orders-list{display:grid;gap:9px;margin-top:14px}.order-row{display:grid;grid-template-columns:8px minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff}.order-status{width:8px;height:42px;border-radius:99px;background:#cbd3df}.order-status.paid{background:#4b8ff8}.order-status.approved{background:#1ab777}.order-status.rejected{background:#dd5b5b}.order-main{display:grid;gap:3px;min-width:0}.order-main>div{display:flex;gap:8px;align-items:center;min-width:0}.order-main b{font-size:12px}.order-main span{font-size:9px;color:#748298;background:#f1f4f8;border-radius:999px;padding:3px 6px}.order-main small{font-size:9px;color:#8a96a6;overflow:hidden;text-overflow:ellipsis}.order-state{display:grid;justify-items:end;gap:8px}.order-actions{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.order-actions button{border:1px solid #dfe5ee;background:#f8fafc;border-radius:9px;padding:6px 8px;font-size:9px;font-weight:800;color:#5e6d82}.order-actions button.approve{background:#e7f8f0;border-color:#c8ebdc;color:#168157}.order-actions button.reject{background:#fff1f1;border-color:#f5d0d0;color:#aa3c3c}.onboarding-dialog{width:min(920px,94vw);max-height:90vh}.onboarding-body{padding:22px}.onboarding-hero{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#eef5ff,#f7f9ff);border:1px solid #dbe8fb;border-radius:17px;padding:16px}.onboarding-orb{width:48px;height:48px;border-radius:15px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:22px;box-shadow:0 10px 25px rgba(11,108,255,.2)}.onboarding-hero h4{margin:0 0 4px}.onboarding-hero p{margin:0;color:#758298;font-size:11px;line-height:1.5}.device-setup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:16px}.device-setup-grid article{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}.device-setup-grid article.recommended{border-color:#8fbcff;background:#f6faff;box-shadow:0 0 0 3px #eaf3ff}.device-setup-grid article>span{font-size:23px;margin-bottom:10px}.device-setup-grid h4{margin:0 0 7px}.device-setup-grid p{margin:0 0 14px;color:#7b8798;font-size:10px;line-height:1.55;min-height:64px}.device-setup-grid button{margin-top:auto;width:100%}.install-message{min-height:20px;margin:13px 2px 0;color:#62738c;font-size:10px;line-height:1.5}.onboarding-actions{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.ghost-action{border:0;background:transparent;color:#7b8798;font-weight:750;padding:10px 12px}.ghost-action:hover{color:#34445b}.admin-tabs{overflow:auto;white-space:nowrap}.admin-tabs .tab{flex:0 0 auto}
@media(max-width:820px){.order-row{grid-template-columns:7px 1fr}.order-state{grid-column:2;justify-items:start}.order-actions{justify-content:flex-start}.device-setup-grid{grid-template-columns:1fr}.device-setup-grid p{min-height:0}.onboarding-actions{flex-direction:column}.onboarding-actions button{width:100%}}

/* Mobile menu + immersive voice conversation */
.sidebar-scrim{display:none}
.voice-conversation-overlay{position:fixed;inset:0;z-index:80;border:0;background:rgba(247,250,255,.78);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;color:#33445f}
.voice-conversation-overlay.active{opacity:1;visibility:visible;pointer-events:auto}
.voice-orb-wrap{position:relative;width:min(46vw,210px);aspect-ratio:1;display:grid;place-items:center;filter:drop-shadow(0 28px 42px rgba(31,93,187,.22));isolation:isolate}
.voice-blob{position:absolute;inset:19%;border-radius:42% 58% 53% 47% / 47% 42% 58% 53%;mix-blend-mode:multiply;opacity:.72;will-change:transform,border-radius}
.voice-blob-a{background:linear-gradient(135deg,#7db6ff,#3c76ff);animation:voiceMorphA 3.4s ease-in-out infinite alternate}
.voice-blob-b{background:linear-gradient(135deg,#71e5e0,#76a7ff);animation:voiceMorphB 2.8s ease-in-out infinite alternate-reverse;inset:22%}
.voice-blob-c{background:linear-gradient(135deg,#b49cff,#69c5ff);animation:voiceMorphC 3.1s ease-in-out infinite alternate;inset:25%;opacity:.62}
.voice-core{position:relative;z-index:3;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.88);box-shadow:0 10px 30px rgba(36,83,157,.16);font-size:28px;color:#286ee8;animation:voiceCore 1.6s ease-in-out infinite}
.voice-stop-label{font-size:12px;font-weight:800;letter-spacing:.02em;background:rgba(255,255,255,.76);border:1px solid rgba(160,181,216,.35);padding:9px 14px;border-radius:999px;box-shadow:0 8px 24px rgba(47,75,121,.08)}
@keyframes voiceMorphA{0%{transform:translate(-10px,-5px) rotate(0deg) scale(.93);border-radius:42% 58% 53% 47% / 47% 42% 58% 53%}100%{transform:translate(12px,8px) rotate(24deg) scale(1.09);border-radius:59% 41% 44% 56% / 38% 61% 39% 62%}}
@keyframes voiceMorphB{0%{transform:translate(11px,-10px) rotate(-18deg) scale(.9);border-radius:55% 45% 61% 39% / 51% 37% 63% 49%}100%{transform:translate(-9px,12px) rotate(19deg) scale(1.12);border-radius:38% 62% 43% 57% / 63% 48% 52% 37%}}
@keyframes voiceMorphC{0%{transform:translate(-5px,10px) rotate(12deg) scale(1.04)}100%{transform:translate(8px,-8px) rotate(-23deg) scale(.88)}}
@keyframes voiceCore{50%{transform:scale(1.08);box-shadow:0 12px 34px rgba(36,83,157,.23)}}
@media(max-width:820px){
  .sidebar-scrim{display:block;position:fixed;z-index:29;inset:0;background:rgba(5,13,25,.34);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
  .sidebar-scrim.active{opacity:1;visibility:visible;pointer-events:auto}
  .mobile-menu{position:fixed;display:grid;place-items:center;top:max(16px,env(safe-area-inset-top));left:12px;z-index:50;transition:left .2s ease,background .2s ease,box-shadow .2s ease;font-size:18px}
  .mobile-menu.menu-open{left:226px;background:#fff;box-shadow:0 8px 26px rgba(0,0,0,.22)}
  .top-left{padding-left:46px}
  .voice-orb-wrap{width:min(58vw,220px)}
}
@media(prefers-reduced-motion:reduce){.voice-blob,.voice-core{animation-duration:6s}}


/* Dedicated blue voice conversation button + hands-free conversation mode */
.voice-mode-btn{width:42px;height:42px;flex:0 0 42px;border:0;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#0b6cff,#5aa5ff);box-shadow:0 8px 20px rgba(11,108,255,.28),inset 0 1px 0 rgba(255,255,255,.45);position:relative;overflow:hidden;transition:transform .16s ease,box-shadow .16s ease;cursor:pointer}
.voice-mode-btn>span{width:18px;height:18px;border-radius:44% 56% 62% 38% / 52% 42% 58% 48%;background:rgba(255,255,255,.95);box-shadow:0 0 0 4px rgba(255,255,255,.14);animation:miniVoiceMorph 2.2s ease-in-out infinite alternate}
.voice-mode-btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,108,255,.36),inset 0 1px 0 rgba(255,255,255,.5)}
.voice-mode-btn.active{box-shadow:0 0 0 4px rgba(11,108,255,.13),0 10px 26px rgba(11,108,255,.38)}
.voice-mode-btn.active:after{content:"";position:absolute;inset:3px;border:1px solid rgba(255,255,255,.65);border-radius:50%;animation:voiceBtnRing 1.2s ease-out infinite}
@keyframes miniVoiceMorph{0%{transform:rotate(-15deg) scale(.88);border-radius:44% 56% 62% 38% / 52% 42% 58% 48%}100%{transform:rotate(22deg) scale(1.08);border-radius:61% 39% 43% 57% / 39% 58% 42% 61%}}
@keyframes voiceBtnRing{0%{transform:scale(.72);opacity:.8}100%{transform:scale(1.35);opacity:0}}
.voice-mode-kicker{font-size:9px;font-weight:900;letter-spacing:.19em;color:#5d79a5;background:rgba(255,255,255,.7);border:1px solid rgba(164,187,221,.28);padding:7px 10px;border-radius:999px}
.voice-mode-state{min-width:170px;text-align:center;font-size:16px;font-weight:850;letter-spacing:-.02em;color:#263c5d}
.voice-conversation-overlay.listening .voice-blob{animation-duration:1.55s}
.voice-conversation-overlay.thinking .voice-blob{animation-duration:4.1s;opacity:.48}
.voice-conversation-overlay.speaking .voice-blob{animation-duration:.95s;opacity:.82}
.voice-conversation-overlay.speaking .voice-core{animation-duration:.72s}
.voice-listen-rings{position:absolute;inset:0;pointer-events:none;display:none}
.voice-conversation-overlay.listening .voice-listen-rings{display:block}
.voice-listen-rings i{position:absolute;inset:14%;border:1px solid rgba(51,126,241,.28);border-radius:50%;animation:listenRing 2.1s ease-out infinite}
.voice-listen-rings i:nth-child(2){animation-delay:.7s}.voice-listen-rings i:nth-child(3){animation-delay:1.4s}
@keyframes listenRing{0%{transform:scale(.5);opacity:0}20%{opacity:.8}100%{transform:scale(1.35);opacity:0}}
@media(max-width:560px){.composer{gap:6px;padding:7px}.composer .tool-btn,.composer .send,.voice-mode-btn{width:40px;height:40px;flex-basis:40px}.voice-mode-state{font-size:15px}.voice-conversation-overlay{gap:20px}}
/* Globale Websuche: Quellen in KI-Antworten */
.assistant .bubble a{color:#0b6cff;text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}

/* === FIX 2026-08-21: obere Chat-Leiste dauerhaft sichtbar === */
.app{
  height:100%;
  min-height:0;
  overflow:hidden;
}
.chat-shell{
  height:100%;
  min-height:0;
  overflow:hidden;
  grid-template-rows:66px minmax(0,1fr) auto auto auto;
}
.topbar{
  position:sticky;
  top:0;
  z-index:60;
  flex:0 0 66px;
  box-shadow:0 1px 0 rgba(20,32,51,.04);
}
.messages{
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
}
@supports (height:100dvh){
  .app,.chat-shell{height:100dvh;}
}
@media(max-width:820px){
  .topbar{
    position:sticky;
    top:0;
    z-index:40;
    min-height:66px;
    padding-left:58px;
  }
  .mobile-menu{z-index:70;}
}