:root{font-family:Open Sans,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#344767;background:#f8f9fa;font-synthesis:none;--bg: #fff;--surface: #f8f9fa;--surface-2: #e9ecef;--surface-3: #dee2e6;--border: #d2d6da;--text: #344767;--muted: #8392ab;--primary: #cb0c9f;--primary-soft: #f6e5f2;--shadow: 0 12px 30px rgba(52, 71, 103, .08)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--surface)}button,input,textarea{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.app-shell{min-height:100vh;background:var(--surface);color:var(--text)}.theme-dark{--bg: #252b33;--surface: #212529;--surface-2: #343a40;--surface-3: #495057;--border: #60656d;--text: #f8f9fa;--muted: #adb5bd;--primary-soft: #493246;--shadow: 0 12px 30px rgba(0,0,0,.18)}.messenger{display:grid;grid-template-columns:350px 1fr;height:100dvh;padding:8px;gap:8px}.sidebar,.chat-panel{background:var(--bg);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}.sidebar{display:grid;grid-template-rows:auto auto auto 1fr auto;min-width:0}.sidebar__brand{display:flex;align-items:center;gap:10px;padding:16px 16px 12px}.sidebar__brand>div{display:grid;line-height:1.15}.sidebar__actions{display:flex;margin-left:auto}.notification-btn{font-size:16px;filter:grayscale(1);opacity:.7}.notification-btn.enabled{filter:none;opacity:1}.sidebar__brand strong{font-size:18px}small{color:var(--muted)}.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#cb0c9f,#7928ca);color:#fff;font-weight:800;box-shadow:0 6px 14px #cb0c9f38}.brand-mark--large{width:58px;height:58px;font-size:26px;border-radius:16px}.icon-btn{border:0;background:transparent;min-width:36px;height:36px;border-radius:8px;cursor:pointer;font-size:20px}.icon-btn:hover{background:var(--surface-2)}.search{margin:0 14px 12px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:0 12px}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);padding:10px 0;font-size:13px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:0 14px 10px;border-bottom:1px solid var(--border)}.tabs button{border:0;background:transparent;border-radius:8px;padding:9px;cursor:pointer;font-size:13px;font-weight:600}.tabs button.active{background:var(--surface-2);color:var(--primary)}.tabs b{margin-left:4px;background:var(--surface-3);border-radius:999px;padding:1px 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auto;display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;color:#fff;font-size:12px;font-weight:700}.avatar--sm{width:34px;height:34px;font-size:10px}.avatar__online{position:absolute;right:-1px;bottom:1px;width:10px;height:10px;background:#82d616;border:2px solid var(--bg);border-radius:50%}.profile-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border-top:1px solid var(--border)}.profile-bar>span:not(.avatar){display:grid;flex:1;font-size:12px}.chat-panel{display:grid;grid-template-rows:auto 1fr auto;min-width:0;position:relative}.chat-panel--empty{display:grid;place-items:center}.chat-header{min-height:68px;display:flex;align-items:center;gap:11px;padding:10px 18px;border-bottom:1px solid var(--border)}.chat-header>div{display:grid;flex:1;font-size:14px}.messages{overflow:auto;padding:24px clamp(18px,6vw,84px);background-color:var(--surface);background-image:radial-gradient(var(--surface-3) .65px,transparent .65px);background-size:16px 16px}.day-label{width:max-content;margin:0 auto 22px;padding:5px 11px;background:var(--bg);border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:10px}.message{display:flex;align-items:flex-end;gap:8px;margin:9px 0}.message.own{justify-content:flex-end}.message__bubble{max-width:min(620px,72%);padding:9px 12px 7px;background:var(--bg);border:1px solid var(--border);border-radius:5px 13px 13px;box-shadow:0 2px 7px #3447670d}.message.own .message__bubble{background:var(--primary-soft);border-radius:13px 5px 13px 13px}.message__bubble strong{display:block;color:var(--primary);font-size:11px;margin-bottom:3px}.message__bubble p{margin:0;white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.45}.message__bubble time{display:block;text-align:right;font-size:9px;color:var(--muted);margin-top:2px}.composer{display:flex;align-items:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border);background:var(--bg)}.composer textarea{resize:none;flex:1;min-height:40px;max-height:130px;border:1px solid var(--border);border-radius:9px;padding:10px 12px;color:var(--text);background:var(--surface);outline:none}.composer textarea:focus{border-color:var(--muted);box-shadow:0 0 0 .1rem var(--surface-3)}.send-btn,.primary-btn{border:0;border-radius:9px;background:linear-gradient(135deg,#cb0c9f,#7928ca);color:#fff;font-weight:700;cursor:pointer}.send-btn{width:40px;height:40px}.send-btn:disabled{opacity:.35;cursor:default}.empty-state{text-align:center;max-width:340px;padding:24px}.empty-state__mark{display:grid;place-items:center;width:80px;height:80px;margin:auto;border-radius:24px;background:var(--surface-2);color:var(--primary);font-size:38px;font-weight:800}.empty-state h1{font-size:22px;margin:18px 0 6px}.empty-state p{color:var(--muted);font-size:13px}.empty-mini{text-align:center;color:var(--muted);padding:28px 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.primary-btn{padding:12px}.login-error{color:#d53131!important;font-size:12px}.splash{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:12px;font-size:22px}.mobile-only{display:none}@media(max-width:720px){.messenger{display:block;padding:0}.sidebar,.chat-panel{height:100dvh;border:0;border-radius:0}.messenger.has-active-chat .sidebar{display:none}.messenger:not(.has-active-chat) .chat-panel{display:none}.mobile-only{display:inline-grid;place-items:center}.messages{padding:20px 12px}.message__bubble{max-width:82%}.composer{padding:10px;padding-bottom:max(10px,env(safe-area-inset-bottom))}}