:root{--bg: #0b141a;--panel: #101c24;--panel2: #0f1a22;--line: rgba(255, 255, 255, .08);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .62);--muted2: rgba(255, 255, 255, .45);--accent: #1faa77;--accent2: #0f7a55;--bubble: #1f2c34;--bubble-me: #005c4b;--shadow: 0 16px 48px rgba(0, 0, 0, .35);--radius: 18px;--font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"}*{box-sizing:border-box}html,body{height:100%;margin:0;background:radial-gradient(900px 700px at 15% 10%,rgba(31,170,119,.14),transparent 60%),radial-gradient(900px 700px at 85% 70%,rgba(28,126,214,.1),transparent 60%),var(--bg);color:var(--text);font-family:var(--font)}.app{height:100%;display:grid;grid-template-columns:340px 1fr}.sidebar{background:linear-gradient(180deg,#101c24eb,#101c24bf);border-right:1px solid var(--line);display:grid;grid-template-rows:auto 1fr;min-width:280px}.sidebar__top{padding:16px 14px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}.sidebar__actions{display:flex;gap:8px;align-items:center}.brand{display:flex;align-items:center;gap:10px}.brand__logo{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,var(--accent),rgba(31,170,119,.35));box-shadow:0 10px 24px #1faa772e}.brand__name{font-weight:760;letter-spacing:.2px;line-height:1.05}.brand__tag{font-size:12px;color:var(--muted2)}.sidebar__list{overflow:auto;padding:10px}.chat-item{border:1px solid transparent;border-radius:14px;padding:12px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px}.chat-item:hover{background:#ffffff0a;border-color:#ffffff0d}.chat-item--active{background:#1faa771a;border-color:#1faa7733}.chat-item__title{font-weight:650;font-size:14px;color:var(--text)}.chat-item__meta{font-size:12px;color:var(--muted2)}.main{display:grid;grid-template-rows:auto 1fr auto;min-width:0}.header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid 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16px 22px;background:radial-gradient(900px 700px at 55% 25%,rgba(255,255,255,.04),transparent 58%),radial-gradient(700px 600px at 25% 85%,rgba(31,170,119,.07),transparent 58%),#0b141a66}.msg{display:flex;margin:10px 0}.msg--me{justify-content:flex-end}.bubble{max-width:min(720px,86%);border-radius:var(--radius);padding:10px 12px;background:var(--bubble);border:1px solid rgba(255,255,255,.06);box-shadow:0 8px 20px #0003}.msg--me .bubble{background:linear-gradient(180deg,#005c4bfa,#005c4bc7);border-color:#1faa7733}.bubble__name{font-size:12px;color:var(--muted);margin-bottom:6px}.bubble__text{font-size:14px;line-height:1.35;white-space:pre-wrap;word-break:break-word}.bubble__stamp{margin-top:6px;font-size:11px;color:var(--muted2);text-align:right}.composer{border-top:1px solid var(--line);background:linear-gradient(180deg,#101c24d9,#101c24bd);padding:10px 12px 14px}.composer__hint{font-size:12px;color:var(--muted2);min-height:16px;padding:0 4px 8px}.composer__row{display:flex;gap:10px;align-items:flex-end}.composer__input{flex:1;resize:none;border-radius:16px;padding:12px;border:1px solid rgba(255,255,255,.08);background:#0000002e;color:var(--text);outline:none;min-height:44px;max-height:140px;font-size:14px}.composer__input:focus{border-color:#1faa7759;box-shadow:0 0 0 4px #1faa771a}.btn{border:1px solid rgba(255,255,255,.12);background:#ffffff0a;color:var(--text);border-radius:14px;padding:10px 12px;cursor:pointer;font-weight:650}.btn:hover{background:#ffffff0f}.btn--primary{background:linear-gradient(135deg,var(--accent),rgba(31,170,119,.35));border-color:#1faa7759}.btn--primary:hover{background:linear-gradient(135deg,#1faa77f2,#1faa776b)}.btn--ghost{padding:10px;background:transparent}.btn--tiny{padding:8px 10px;border-radius:12px;font-size:12px}.mobile-only{display:none}@media(max-width:920px){.app{grid-template-columns:1fr}.sidebar{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);grid-template-columns:300px 1fr;grid-template-rows:1fr}.sidebar.sidebar--open{display:grid}.mobile-only{display:inline-flex}}.modal{position:fixed;top:0;right:0;bottom:0;left:0;display:none;place-items:center;padding:18px;background:#0000008c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal--open{display:grid}.modal__card{width:min(520px,100%);border-radius:22px;padding:18px 18px 16px;background:linear-gradient(180deg,#101c24f5,#101c24d1);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow)}.modal__title{font-weight:780;font-size:18px;letter-spacing:.2px}.modal__sub{margin-top:6px;font-size:13px;color:var(--muted2);line-height:1.35}.modal__row{display:flex;gap:10px;margin-top:12px;justify-content:flex-end}.modal__error{margin-top:8px;min-height:16px;font-size:12px;color:#ffffffbf}.field{margin-top:12px}.field__label{display:block;font-size:12px;color:var(--muted2);margin-bottom:6px}.field__input{width:100%;border-radius:14px;padding:12px;border:1px solid rgba(255,255,255,.08);background:#0003;color:var(--text);outline:none}.field__input:focus{border-color:#1faa7759;box-shadow:0 0 0 4px #1faa771a}select.field__input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(255,255,255,0.5)'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px 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.field__input{flex:1}.contacts-list{max-height:320px;overflow-y:auto}.contacts-empty{text-align:center;color:var(--muted);padding:24px;font-size:13px}.contact-item{display:flex;align-items:center;justify-content:space-between;padding:8px;border-radius:12px;gap:8px}.contact-item:hover{background:#ffffff08}.contact-item--blocked{opacity:.6}.contact-item__left{display:flex;align-items:center;gap:10px;min-width:0}.contact-item__avatar{width:36px;height:36px;border-radius:50%;background:var(--accent2);display:grid;place-items:center;font-size:14px;font-weight:700;flex-shrink:0;color:var(--text)}.contact-item__name{font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}.contact-item__actions{display:flex;gap:4px;flex-shrink:0}.contact-badge{font-size:10px;padding:2px 6px;border-radius:6px;background:#1faa7726;color:var(--accent)}.contact-badge--blocked{background:#dc354526;color:#dc3545d9}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}