*{box-sizing:border-box}:root{--msg-bg: var(--tg-theme-bg-color, #fff);--msg-text: var(--tg-theme-text-color, #000);--msg-bubble-out: var(--tg-theme-button-color, #2481cc);--msg-bubble-out-text: var(--tg-theme-button-text-color, #fff);--msg-bubble-in: var(--tg-theme-secondary-bg-color, #e8e8ed);--msg-border: rgba(0, 0, 0, .08);--msg-hint: var(--tg-theme-hint-color, #8e8e93);--msg-avatar-size: 48px;--msg-input-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);--msg-input-radius: 20px;--msg-bubble-radius: 18px;--msg-bubble-radius-small: 4px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:var(--msg-bg);color:var(--msg-text);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh}.chat-list{padding:0 0 80px;background:var(--msg-bg)}.chat-list-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 16px 14px;background:var(--msg-bg);border-bottom:1px solid var(--msg-border)}.chat-list-title{margin:0;font-size:22px;font-weight:700;letter-spacing:-.02em}.chat-list-admin-link{font-size:15px;color:var(--tg-theme-link-color, #2481cc);text-decoration:none}.chat-item{display:flex;align-items:center;gap:14px;padding:12px 16px;cursor:pointer;border-bottom:1px solid var(--msg-border);transition:background .15s;-webkit-tap-highlight-color:transparent}.chat-item:active{background:var(--msg-input-bg)}.chat-item-avatar{width:var(--msg-avatar-size);height:var(--msg-avatar-size);border-radius:50%;background:linear-gradient(135deg,var(--msg-bubble-out) 0%,#1a6fb4 100%);color:var(--msg-bubble-out-text);font-size:20px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-item-body{flex:1;min-width:0}.chat-item-name{font-size:17px;font-weight:600;margin:0 0 2px;color:var(--msg-text)}.chat-item-preview{font-size:15px;color:var(--msg-hint);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-empty{padding:48px 24px;text-align:center;color:var(--msg-hint);font-size:16px}.chat-list-error{padding:12px 16px;color:var(--tg-theme-destructive-text-color, #c00);font-size:15px}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;border:none;background:var(--msg-bubble-out);color:var(--msg-bubble-out-text);font-size:28px;line-height:1;cursor:pointer;box-shadow:0 4px 14px #2481cc73;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.fab:active{transform:scale(.96)}.chat-screen{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--msg-bg)}.chat-header{flex-shrink:0;display:flex;align-items:center;gap:12px;padding:10px 8px 10px 4px;border-bottom:1px solid var(--msg-border);background:var(--msg-bg)}.chat-header-back{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:var(--msg-text);font-size:24px;-webkit-tap-highlight-color:transparent}.chat-header-back:active{opacity:.6}.chat-header-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--msg-bubble-out),#1a6fb4);color:var(--msg-bubble-out-text);font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center}.chat-header-info{flex:1;min-width:0}.chat-header-name{font-size:17px;font-weight:600;margin:0}.chat-messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:12px 16px 16px;display:flex;flex-direction:column;gap:4px}.msg-row{display:flex;margin-bottom:2px}.msg-row-out{justify-content:flex-end}.msg-row-in{justify-content:flex-start}.msg-bubble{max-width:85%;padding:8px 12px 10px;font-size:16px;line-height:1.35;word-wrap:break-word}.msg-bubble-out{background:var(--msg-bubble-out);color:var(--msg-bubble-out-text);border-radius:18px 18px 4px;margin-left:auto}.msg-bubble-in{background:var(--msg-bubble-in);color:var(--msg-text);border-radius:18px 18px 18px 4px}.msg-bubble-sender{font-size:13px;font-weight:600;margin-bottom:4px;color:var(--msg-hint)}.msg-bubble-text{margin:0}.msg-bubble-time{font-size:11px;opacity:.75;margin-top:4px;text-align:right}.chat-input-wrap{flex-shrink:0;padding:8px 12px 12px;padding-bottom:max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--msg-border);background:var(--msg-bg)}.chat-input-form{display:flex;align-items:flex-end;gap:8px}.chat-input{flex:1;min-width:0;padding:10px 16px 10px 18px;font-size:16px;line-height:1.35;border:none;border-radius:var(--msg-input-radius);background:var(--msg-input-bg);color:var(--msg-text);outline:none}.chat-input::placeholder{color:var(--msg-hint)}.chat-send{width:44px;height:44px;flex-shrink:0;border:none;border-radius:50%;background:var(--msg-bubble-out);color:var(--msg-bubble-out-text);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.chat-send:disabled{opacity:.4;cursor:default}.chat-send:not(:disabled):active{transform:scale(.94)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:1000}.modal-sheet{width:100%;max-width:480px;max-height:90vh;overflow-y:auto;background:var(--msg-bg);border-radius:12px 12px 0 0;padding:20px 16px 24px;padding-bottom:max(24px,env(safe-area-inset-bottom))}.modal-title{margin:0 0 20px;font-size:20px;font-weight:700}.modal-field{margin-bottom:16px}.modal-label{display:block;margin-bottom:6px;font-size:14px;color:var(--msg-hint)}.modal-input{width:100%;padding:12px 14px;font-size:16px;border:1px solid var(--msg-border);border-radius:10px;background:var(--msg-bg);color:var(--msg-text)}.modal-input:focus{outline:none;border-color:var(--msg-bubble-out)}.modal-textarea{resize:vertical;min-height:80px}.modal-error{margin-bottom:12px;font-size:14px;color:var(--tg-theme-destructive-text-color, #c00)}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.modal-btn{padding:12px 20px;font-size:16px;font-weight:600;border-radius:10px;border:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.modal-btn-secondary{background:var(--msg-input-bg);color:var(--msg-text)}.modal-btn-primary{background:var(--msg-bubble-out);color:var(--msg-bubble-out-text)}.modal-btn-primary:disabled{opacity:.6;cursor:not-allowed}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--msg-hint);font-size:16px}