:root{--cc-theme: #10b981;--cc-surface: #ffffff;--cc-surface-muted: #f8fafc;--cc-surface-sunken: #f1f5f9;--cc-border: #e2e8f0;--cc-text: #0f172a;--cc-text-subtle: #64748b;--cc-text-faint: #94a3b8;--cc-text-on-brand: #ffffff;--cc-tint-danger: #fee2e2;--cc-tint-danger-border: #fecaca;--cc-tint-danger-text: #991b1b;--cc-tint-premium: #ede9fe;--cc-tint-premium-text: #6d28d9}:root.dark-theme{--cc-surface: #1e293b;--cc-surface-muted: #0f172a;--cc-surface-sunken: #334155;--cc-border: #334155;--cc-text: #f8fafc;--cc-text-subtle: #9aa8ba;--cc-text-faint: #7e8c9e;--cc-tint-danger: rgba(239, 68, 68, .15);--cc-tint-danger-border: rgba(239, 68, 68, .35);--cc-tint-danger-text: #fca5a5;--cc-tint-premium: rgba(139, 92, 246, .18);--cc-tint-premium-text: #c4b5fd}@media(prefers-color-scheme:dark){:root:not(.light-theme){--cc-surface: #1e293b;--cc-surface-muted: #0f172a;--cc-surface-sunken: #334155;--cc-border: #334155;--cc-text: #f8fafc;--cc-text-subtle: #9aa8ba;--cc-text-faint: #7e8c9e;--cc-tint-danger: rgba(239, 68, 68, .15);--cc-tint-danger-border: rgba(239, 68, 68, .35);--cc-tint-danger-text: #fca5a5;--cc-tint-premium: rgba(139, 92, 246, .18);--cc-tint-premium-text: #c4b5fd}}#ccRoot{position:fixed;bottom:20px;right:20px;z-index:9999;font-family:system-ui,-apple-system,sans-serif}#ccBubble{width:56px;height:56px;border-radius:50%;background:var(--cc-theme);color:var(--cc-text-on-brand);border:none;cursor:pointer;box-shadow:0 4px 14px #00000040;font-size:26px;display:flex;align-items:center;justify-content:center;position:relative;transition:transform .15s}#ccBubble:hover{transform:scale(1.07)}.cc-badge{position:absolute;top:-4px;right:-4px;background:#ef4444;color:var(--cc-text-on-brand);font-size:11px;font-weight:700;border-radius:10px;padding:2px 7px;min-width:20px;text-align:center;border:2px solid var(--cc-surface)}.cc-badge[hidden]{display:none}#ccWidget{display:none;flex-direction:column;width:380px;height:560px;max-height:80vh;background:var(--cc-surface);border-radius:16px;overflow:hidden;box-shadow:0 10px 40px #00000040;position:absolute;bottom:0;right:0}@media(max-width:640px){#ccRoot{bottom:0;right:0;left:0}#ccBubble{position:fixed;bottom:16px;right:16px}#ccWidget{position:fixed;inset:0;width:100%;height:100%;max-height:100%;border-radius:0}}.cc-header{padding:14px 16px;background:var(--cc-theme);color:var(--cc-text-on-brand);display:flex;align-items:center;gap:10px;flex-shrink:0}.cc-header h3{margin:0;flex:1;font-size:14px;font-weight:700}.cc-back,.cc-close{background:#fff3;border:none;color:var(--cc-text-on-brand);width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}.cc-close:hover,.cc-back:hover{background:#ffffff59}.cc-body{flex:1;overflow-y:auto;padding:16px;background:var(--cc-surface-muted)}.cc-body.cc-msgs{padding:16px;display:flex;flex-direction:column;gap:8px}.cc-footer{padding:10px 12px;border-top:1px solid var(--cc-border);background:var(--cc-surface);display:flex;gap:6px;flex-shrink:0}.cc-input,.cc-ta{flex:1;padding:10px 12px;border:1.5px solid var(--cc-border);border-radius:10px;font-size:13px;outline:none;font-family:inherit}.cc-ta{resize:none;max-height:100px}.cc-input:focus,.cc-ta:focus{border-color:var(--cc-theme)}.cc-btn{background:var(--cc-theme);color:var(--cc-text-on-brand);border:none;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer;font-size:13px;height:40px;flex-shrink:0}.cc-btn:disabled{opacity:.6;cursor:not-allowed}.cc-btn-ghost{background:var(--cc-surface-sunken);color:var(--cc-text);border:none;padding:10px 14px;border-radius:10px;font-weight:600;cursor:pointer;width:100%}.cc-field{margin-bottom:12px}.cc-label{display:block;font-size:11px;font-weight:700;color:var(--cc-text-subtle);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em}.cc-error{color:#dc2626;font-size:12px;margin-top:6px;min-height:14px}.cc-bubble-msg{max-width:78%;padding:8px 12px;border-radius:12px;font-size:13px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.cc-mine{background:var(--cc-theme);color:var(--cc-text-on-brand);align-self:flex-end;border-bottom-right-radius:4px}.cc-theirs{background:var(--cc-surface);border:1px solid var(--cc-border);color:var(--cc-text);align-self:flex-start;border-bottom-left-radius:4px}.cc-time{font-size:10px;opacity:.7;margin-top:3px;text-align:right}.cc-conv-item{padding:12px;border:1px solid var(--cc-border);border-radius:10px;background:var(--cc-surface);cursor:pointer;margin-bottom:8px}.cc-conv-item:hover{border-color:var(--cc-theme)}.cc-tab-sw{display:flex;gap:8px;margin-bottom:14px;background:var(--cc-surface-sunken);padding:4px;border-radius:10px}.cc-tab-sw button{flex:1;padding:8px;border:none;background:transparent;border-radius:7px;cursor:pointer;font-size:12px;font-weight:600;color:var(--cc-text-subtle)}.cc-tab-sw button[aria-selected=true],.cc-tab-sw button.active{background:var(--cc-surface);color:var(--cc-theme);box-shadow:0 1px 3px #00000014}.cc-small{font-size:11px;color:var(--cc-text-faint)}.cc-empty{text-align:center;padding:30px 20px;color:var(--cc-text-faint);font-size:13px}.cc-w-full{width:100%}.cc-mt-sm{margin-top:8px}.cc-text-center{text-align:center}.cc-link{color:inherit;text-decoration:underline}