:root{
  --bg:#fafaf8; --surface:#f2f1ed; --surface2:#e9e8e2; --border:#e2e0d9; --border2:#d5d3ca;
  --text:#191917; --muted:#7a786f; --faint:#a3a199; --accent:#d97757; --accent-soft:rgba(217,119,87,.1);
  --user-bubble:#ececе7; --user-bubble:#ecebe5; --code-bg:#f0efe9; --danger:#d5484f; --ok:#3f9d63;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.05);
  --shadow-lg:0 8px 32px rgba(0,0,0,.14);
}
[data-theme="dark"]{
  --bg:#232322; --surface:#2b2b29; --surface2:#343432; --border:#3a3a37; --border2:#484844;
  --text:#eceae4; --muted:#96948b; --faint:#6e6c64; --accent:#d97757; --accent-soft:rgba(217,119,87,.14);
  --user-bubble:#343432; --code-bg:#1c1c1b; --danger:#e0626a; --ok:#57b47c;
  --shadow:0 1px 2px rgba(0,0,0,.2),0 4px 16px rgba(0,0,0,.18);
  --shadow-lg:0 8px 32px rgba(0,0,0,.45);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;transition:background .25s,color .25s;font-size:15px;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
a{color:var(--accent);cursor:pointer;text-decoration:none}
a:hover{text-decoration:underline}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:99px}
::-webkit-scrollbar-track{background:transparent}
svg.ic{width:1.15em;height:1.15em;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.18em;flex-shrink:0}

/* ---- Buttons ---- */
.btn-primary{padding:11px 18px;border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;cursor:pointer;transition:filter .15s,transform .1s;display:inline-flex;align-items:center;gap:8px;justify-content:center}
.btn-primary:hover{filter:brightness(1.06)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border:1px solid var(--border2);background:transparent;color:var(--text);border-radius:10px;padding:9px 16px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:background .15s}
.btn-outline:hover{background:var(--surface)}
.btn-ghost{border:none;background:transparent;color:var(--muted);border-radius:8px;padding:7px 10px;cursor:pointer;font-size:13px;display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s}
.btn-ghost:hover{background:var(--surface2);color:var(--text)}
.icon-btn{width:34px;height:34px;border:none;border-radius:9px;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;flex-shrink:0}
.icon-btn:hover{background:var(--surface2);color:var(--text)}
.icon-btn svg.ic{width:19px;height:19px}

/* ---- Auth ---- */
.auth-wrap{height:100%;display:flex;align-items:center;justify-content:center;padding:16px;flex-direction:column;gap:18px}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:38px 32px;text-align:center;animation:fadeUp .45s ease;box-shadow:var(--shadow)}
.auth-card h1{font-size:21px;margin-bottom:6px;font-weight:650}
.auth-sub{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.auth-card input{width:100%;padding:12px 14px;margin-bottom:12px;border:1px solid var(--border);border-radius:11px;background:var(--bg);color:var(--text);font-size:16px;outline:none;transition:border .15s,box-shadow .15s}
.auth-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.auth-card .btn-primary{width:100%}
.switch{margin-top:18px;font-size:13px;color:var(--muted)}
.auth-error{color:var(--danger);font-size:13px;margin-top:12px;min-height:16px}
.auth-legal{font-size:12px;color:var(--faint)}
.auth-legal a{color:var(--muted)}
.logo-mark{width:44px;height:44px;margin:0 auto 14px;color:var(--accent)}
.logo-mark svg{width:100%;height:100%}
.pulse{animation:pulse 2.6s ease-in-out infinite}

/* ---- Layout ---- */
.app{display:flex;height:100%}
.sidebar{width:268px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}
.side-top{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px}
.brand{font-weight:650;font-size:15.5px;display:flex;align-items:center;gap:8px}
.brand svg{width:19px;height:19px;color:var(--accent)}
.side-close{display:none}
.new-chat{margin:0 12px 12px;padding:10px 12px;border:1px solid var(--border2);border-radius:11px;background:transparent;color:var(--text);cursor:pointer;font-size:13.5px;font-weight:550;transition:background .15s;display:flex;align-items:center;gap:8px;justify-content:center}
.new-chat:hover{background:var(--surface2)}
.chat-list{flex:1;overflow-y:auto;padding:0 8px}
.list-label{font-size:11px;color:var(--faint);font-weight:600;letter-spacing:.4px;text-transform:uppercase;padding:8px 12px 4px}
.chat-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-radius:9px;font-size:13.5px;cursor:pointer;color:var(--muted);white-space:nowrap;overflow:hidden;transition:background .12s,color .12s;margin-bottom:1px}
.chat-item:hover{background:var(--surface2)}
.chat-item.active{background:var(--surface2);color:var(--text);font-weight:550}
.chat-item span{overflow:hidden;text-overflow:ellipsis}
.chat-del{opacity:0;border:none;background:none;color:var(--faint);cursor:pointer;display:flex;padding:3px;border-radius:6px}
.chat-del:hover{color:var(--danger)}
.chat-item:hover .chat-del{opacity:1}
.side-bottom{padding:12px;border-top:1px solid var(--border);position:relative}
.usage{margin-bottom:12px;padding:0 4px}
.usage-bar{height:4px;border-radius:99px;background:var(--surface2);overflow:hidden}
.usage-fill{height:100%;background:var(--accent);border-radius:99px;width:0;transition:width .5s ease,background .3s}
.usage-text{font-size:11px;color:var(--faint);margin-top:6px;text-align:right}
.user-row{display:flex;align-items:center;gap:10px;cursor:pointer;padding:7px 8px;border-radius:11px;transition:background .12s}
.user-row:hover{background:var(--surface2)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;flex-shrink:0}
.user-name{font-size:13.5px;font-weight:600}
.user-mail{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;max-width:160px}
.menu{position:absolute;bottom:100%;left:12px;right:12px;margin-bottom:8px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:var(--shadow-lg);animation:fadeUp .16s ease;z-index:30}
.menu-item{padding:9px 12px;border-radius:9px;font-size:13.5px;cursor:pointer;display:flex;align-items:center;gap:10px;color:var(--text);transition:background .12s}
.menu-item:hover{background:var(--surface2)}
.menu-item svg.ic{width:16px;height:16px;color:var(--muted)}
.menu-sep{height:1px;background:var(--border);margin:5px 8px}
.backdrop{display:none}

/* ---- Chat ---- */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:none;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}
.chat-scroll{flex:1;overflow-y:auto}
.messages{max-width:740px;margin:0 auto;padding:32px 22px 12px;display:flex;flex-direction:column;gap:26px}
.empty-state{text-align:center;margin-top:16vh;animation:fadeUp .5s ease}
.empty-state h2{font-weight:500;font-size:21px;color:var(--text)}
.empty-state p{color:var(--muted);font-size:13.5px;margin-top:8px}
.msg{animation:fadeUp .28s ease}
.msg-user{align-self:flex-end;max-width:82%;background:var(--user-bubble);padding:11px 16px;border-radius:16px 16px 5px 16px;font-size:14.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.msg-assistant{font-size:15px;line-height:1.72;word-break:break-word}
.msg-assistant .content p{margin:0 0 10px}
.msg-assistant .content p:last-child{margin-bottom:0}
.msg-assistant .content ul,.msg-assistant .content ol{margin:6px 0 12px;padding-left:26px}
.msg-assistant .content li{margin:3px 0}
.msg-assistant .content table{border-collapse:collapse;margin:12px 0;font-size:13.5px;max-width:100%;display:block;overflow-x:auto}
.msg-assistant .content th,.msg-assistant .content td{border:1px solid var(--border);padding:7px 12px;text-align:left;white-space:nowrap}
.msg-assistant .content th{background:var(--surface);font-weight:600}
.msg-assistant .content img{max-width:100%;max-height:380px;border-radius:13px;border:1px solid var(--border);margin:10px 0 4px;display:block}
.msg-assistant .content .img-src{font-size:12px;color:var(--faint);margin-bottom:10px;display:block}
.msg-assistant .content h4{font-size:16px;margin:14px 0 6px}
.msg-assistant .content h3{font-size:17px;margin:16px 0 6px}
.msg-assistant .content h2{font-size:18px;margin:16px 0 6px}
.msg-assistant .content blockquote{border-left:3px solid var(--border2);padding:2px 0 2px 14px;color:var(--muted);margin:10px 0}
.chart-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;margin:12px 0;max-width:640px}
.chart-box .ch-title{font-size:13.5px;font-weight:600;margin-bottom:10px}
.chart-box canvas{max-height:320px}
.msg-assistant .content code{background:var(--code-bg);border:1px solid var(--border);padding:1.5px 6px;border-radius:6px;font-size:13px;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}

/* ---- Datei-Karten ---- */
.file-block{margin:12px 0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface);transition:border .15s;display:block;width:100%;max-width:640px}
.file-block:hover{border-color:var(--border2)}
.file-card{display:flex;align-items:center;gap:13px;padding:11px 14px;font-size:13.5px;cursor:pointer;user-select:none}
.file-card .fc-meta{margin-right:auto;min-width:0}
.file-card .fc-icon{width:42px;height:42px;border-radius:11px;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);flex-shrink:0;transform:rotate(-6deg)}
.file-card .fc-icon svg.ic{width:19px;height:19px}
.fc-meta{min-width:0}
.file-card .fc-name{font-weight:600;font-size:13.5px}
.file-card .fc-lang{color:var(--muted);font-size:12px;margin-top:1px}
.file-card .fc-chev{color:var(--faint);transition:transform .25s;display:flex}
.file-block.open .fc-chev{transform:rotate(180deg)}
.fc-dl{border:1px solid var(--border2);background:transparent;color:var(--text);border-radius:9px;padding:6px 12px;cursor:pointer;font-size:12.5px;display:inline-flex;align-items:center;gap:6px;flex-shrink:0;transition:background .15s}
.fc-dl:hover{background:var(--surface2)}
.file-code{max-height:0;overflow:hidden;transition:max-height .3s ease}
.file-block.open .file-code{max-height:420px;overflow-y:auto}
.file-code pre{background:var(--code-bg);padding:14px 16px;overflow-x:auto;font-size:12.8px;line-height:1.55;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;white-space:pre;border-top:1px solid var(--border)}

/* ---- Schritte ---- */
.think{margin-bottom:14px}
.think-head{display:flex;align-items:center;gap:9px;padding:4px 0;font-size:13px;color:var(--muted);cursor:pointer;user-select:none;max-width:640px}
.think-head .t-ic{display:flex;color:var(--accent)}
.think-head .t-ic svg.ic{width:15px;height:15px}
.think.done-state .t-ic{color:var(--ok)}
.think-head .chev{margin-left:auto;transition:transform .25s;display:flex;color:var(--faint)}
.think.open .chev{transform:rotate(180deg)}
.think-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.think.open .think-body{max-height:480px;overflow-y:auto}
.steps{padding:6px 0 4px}
.step{display:flex;gap:11px;font-size:13px;color:var(--muted);line-height:1.6;padding:6px 0;position:relative;animation:fadeUp .25s ease;max-width:640px}
.step .s-icon{flex-shrink:0;width:16px;height:16px;display:flex;align-items:center;justify-content:center;margin-top:2px;color:var(--faint)}
.step .s-icon svg.ic{width:14px;height:14px}
.step:not(:last-child)::before{content:"";position:absolute;left:7.5px;top:26px;bottom:-6px;width:1px;background:var(--border)}
.step.done .s-icon{color:var(--ok)}
.step-text{white-space:pre-wrap;word-break:break-word;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;cursor:pointer}
.step.expanded .step-text{-webkit-line-clamp:unset;display:block}
.shim{background:linear-gradient(90deg,var(--muted) 35%,var(--text) 50%,var(--muted) 65%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 1.8s linear infinite}
.think.streaming .think-label{background:linear-gradient(90deg,var(--muted) 35%,var(--text) 50%,var(--muted) 65%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 1.8s linear infinite}
.think-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.spin{animation:spin 1.4s linear infinite}

/* ---- Composer ---- */
.composer-wrap{max-width:740px;width:100%;margin:0 auto;padding:8px 22px 12px}
.file-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.chip{display:flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:12.5px;animation:fadeUp .2s ease}
.chip svg.ic{width:14px;height:14px;color:var(--muted)}
.chip b{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:550}
.chip button{border:none;background:none;color:var(--faint);cursor:pointer;display:flex;padding:2px}
.chip button:hover{color:var(--danger)}
.composer{display:flex;align-items:flex-end;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:10px 12px;transition:border .15s,box-shadow .15s;box-shadow:var(--shadow)}
.composer:focus-within{border-color:var(--border2)}
.composer textarea{flex:1;border:none;background:transparent;color:var(--text);font-size:16px;font-family:inherit;resize:none;outline:none;max-height:180px;line-height:1.5;min-width:0;padding:5px 4px}
.composer textarea::placeholder{color:var(--faint)}
.effort{border:1px solid var(--border);background:transparent;color:var(--muted);border-radius:999px;padding:7px 10px;font-size:12px;cursor:pointer;outline:none;flex-shrink:0;font-family:inherit}
.think-toggle{display:flex;align-items:center;gap:7px;flex-shrink:0;cursor:pointer;padding:0 4px;align-self:center}
.think-toggle .tt-label{font-size:12px;color:var(--muted)}
.think-toggle .toggle{width:36px;height:21px}
.think-toggle .toggle .tr::after{width:15px;height:15px}
.think-toggle .toggle input:checked + .tr::after{transform:translateX(15px)}
.send-btn{width:36px;height:36px;border:none;border-radius:50%;background:var(--accent);color:#fff;cursor:pointer;flex-shrink:0;transition:filter .15s,transform .1s;display:flex;align-items:center;justify-content:center}
.send-btn svg.ic{width:17px;height:17px;stroke-width:2.2}
.send-btn:disabled{opacity:.35;cursor:default}
.send-btn:not(:disabled):hover{filter:brightness(1.06)}
.send-btn:active{transform:scale(.93)}
.disclaimer{text-align:center;font-size:11px;color:var(--faint);margin-top:9px}
.disclaimer a{color:var(--faint)}

/* ---- Modal ---- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .2s ease}
.modal{background:var(--bg);border:1px solid var(--border);border-radius:18px;width:100%;max-width:640px;max-height:88vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:fadeUp .25s ease;overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h2{font-size:16.5px;font-weight:650}
.modal-body{overflow-y:auto;padding:6px 22px 22px;display:flex;gap:22px}
.modal-nav{width:150px;flex-shrink:0;padding-top:16px}
.mn-item{padding:8px 12px;border-radius:9px;font-size:13.5px;color:var(--muted);cursor:pointer;display:flex;align-items:center;gap:9px;margin-bottom:2px;transition:background .12s,color .12s}
.mn-item svg.ic{width:15px;height:15px}
.mn-item:hover{background:var(--surface)}
.mn-item.active{background:var(--surface);color:var(--text);font-weight:550}
.modal-content{flex:1;min-width:0;padding-top:16px}
.set-row{margin-bottom:20px}
.set-row label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.set-row small{display:block;color:var(--muted);font-size:12px;margin-top:6px;line-height:1.5}
.set-row input[type=text],.set-row textarea,.set-row select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:13.5px;outline:none;font-family:inherit;resize:vertical;transition:border .15s}
.set-row input:focus,.set-row textarea:focus{border-color:var(--accent)}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:3px;gap:2px}
.seg button{border:none;background:transparent;color:var(--muted);border-radius:8px;padding:8px 13px;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s,color .15s;font-family:inherit}
.seg button svg.ic{width:17px;height:17px}
.seg button.active{background:var(--bg);color:var(--text);font-weight:550;box-shadow:var(--shadow)}
.toggle{position:relative;width:42px;height:24px;flex-shrink:0;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle .tr{position:absolute;inset:0;background:var(--border2);border-radius:99px;transition:background .2s}
.toggle .tr::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.toggle input:checked + .tr{background:var(--accent)}
.toggle input:checked + .tr::after{transform:translateX(18px)}
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.memory-box{background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:12px 14px;font-size:12.5px;color:var(--muted);line-height:1.6;white-space:pre-wrap;max-height:160px;overflow-y:auto}

/* ---- Admin ---- */
.admin{padding:28px;max-width:1250px;margin:0 auto;height:100%;overflow-y:auto}
.admin-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.admin-head h1{font-size:20px;font-weight:650;display:flex;align-items:center;gap:10px}
.admin-h2{font-size:15.5px;font-weight:650;margin:26px 0 14px;display:flex;align-items:center;gap:9px}
.admin-h2 svg.ic{color:var(--muted)}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.setting-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}
.setting-card.wide{grid-column:1/-1}
.setting-card label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
.setting-card small{display:block;color:var(--muted);font-size:12px;margin-top:7px;line-height:1.5}
.setting-card input,.setting-card select,.setting-card textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font-size:13.5px;outline:none;font-family:inherit;resize:vertical;transition:border .15s}
.setting-card input:focus,.setting-card textarea:focus{border-color:var(--accent)}
.save-btn{margin-top:16px}
.save-msg{margin-left:12px;font-size:13px;color:var(--ok)}
.admin-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
.admin-table{width:100%;border-collapse:collapse;font-size:12.8px}
.admin-table th{text-align:left;padding:12px;color:var(--muted);font-weight:600;white-space:nowrap;font-size:11.5px;letter-spacing:.3px;text-transform:uppercase}
.admin-table td{padding:10px 12px;border-top:1px solid var(--border);white-space:nowrap}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600}
.badge.ok{background:rgba(63,157,99,.13);color:var(--ok)}
.badge.ban{background:rgba(213,72,79,.12);color:var(--danger)}
.badge.off{background:rgba(200,134,46,.14);color:#c8862e}
.badge.owner{background:var(--accent-soft);color:var(--accent)}
.act{border:1px solid var(--border2);background:transparent;color:var(--text);border-radius:8px;padding:5px 10px;cursor:pointer;font-size:12px;margin-right:5px;transition:background .12s}
.act:hover{background:var(--surface2)}
.act.danger{color:var(--danger);border-color:rgba(213,72,79,.35)}
.limit-input{width:90px;padding:5px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:12.5px;outline:none}

/* ---- Artefakt-Panel ---- */
.artifact{width:46%;min-width:400px;border-left:1px solid var(--border);display:flex;flex-direction:column;background:var(--bg);animation:slideIn .25s ease}
.art-head{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);flex-shrink:0}
.art-tabs{padding:2px}
.art-tabs button{padding:6px 11px}
.art-title{flex:1;font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-left:4px}
.art-body{flex:1;min-height:0;display:flex}
.art-body iframe{flex:1;border:none;background:#fff}
.art-body pre{flex:1;overflow:auto;padding:16px 18px;font-size:12.8px;line-height:1.55;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;background:var(--code-bg);margin:0;white-space:pre}
@keyframes slideIn{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}
@media(max-width:900px){
  .artifact{position:fixed;inset:0;width:100%;min-width:0;z-index:60;border-left:none}
}

/* ---- Legal ---- */
.legal{max-width:720px;margin:0 auto;padding:48px 24px;line-height:1.75;font-size:14.5px}
.legal h1{font-size:24px;margin-bottom:8px}
.legal h2{font-size:17px;margin:28px 0 10px}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:22px}
.legal .back{display:inline-flex;align-items:center;gap:7px;margin-bottom:24px;font-size:13.5px}

@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes shimmer{to{background-position:-200% 0}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.7}}

/* ---- Mobile ---- */
@media(max-width:760px){
  .topbar{display:flex}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .28s cubic-bezier(.3,.7,.3,1);box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .side-close{display:flex}
  .backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35;opacity:0;pointer-events:none;transition:opacity .28s}
  .backdrop.show{opacity:1;pointer-events:auto}
  .messages{padding:20px 14px 8px;gap:20px}
  .composer-wrap{padding:6px 10px 10px}
  .effort{display:none}
  .think-toggle .tt-label{display:none}
  .msg-user{max-width:90%}
  .admin{padding:16px}
  .modal-body{flex-direction:column;gap:0}
  .modal-nav{width:100%;display:flex;gap:4px;overflow-x:auto;padding-top:12px}
  .mn-item{white-space:nowrap}
}