:root{--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--bg-tertiary: #262626;--bg-input: #2a2a2a;--text-primary: #ececec;--text-secondary: #a0a0a0;--text-muted: #6b6b6b;--accent: #6366f1;--accent-hover: #818cf8;--border-subtle: #333333;--user-bubble: #2e2e2e;--error-bg: #2d1f1f;--error-text: #f87171;--blocked-bg: #1f1f2d;--blocked-text: #a0a0a0;--font-display: "Sora", sans-serif;--font-body: "DM Sans", sans-serif;--max-width: 768px;--transition-fast: .15s ease;--transition-base: .25s ease}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);flex-shrink:0}.header__logo{font-family:var(--font-display);font-size:1.25rem;font-weight:600;color:var(--text-primary);cursor:pointer}.header__nav{display:flex;gap:1.5rem}.header__link{font-size:.875rem;color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast)}.header__link:hover{color:var(--text-primary)}.header__link--active{color:var(--accent)}.main-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.chat-container{flex:1;display:flex;flex-direction:column;overflow:hidden}.message-list{flex:1;overflow-y:auto;padding:1.5rem}.message-list__inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;gap:1rem}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 2rem;min-height:300px}.welcome__title{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem}.welcome__subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:400px}.message{display:flex;flex-direction:column;animation:messageIn .3s ease-out}@keyframes messageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message--user{align-items:flex-end}.message--assistant{align-items:flex-start}.message__bubble{max-width:85%;padding:.875rem 1.125rem;border-radius:1.25rem;font-size:.9375rem;line-height:1.6;white-space:pre-wrap;word-wrap:break-word}.message--user .message__bubble{background-color:var(--user-bubble);border-bottom-right-radius:.375rem}.message--assistant .message__bubble{background-color:transparent;border-bottom-left-radius:.375rem}.loading-indicator{display:flex;align-items:center;gap:.75rem;padding:1rem 0;animation:messageIn .3s ease-out}.loading-indicator__dots{display:flex;gap:.25rem}.loading-indicator__dot{width:8px;height:8px;background-color:var(--text-muted);border-radius:50%;animation:dotPulse 1.4s ease-in-out infinite}.loading-indicator__dot:nth-child(2){animation-delay:.2s}.loading-indicator__dot:nth-child(3){animation-delay:.4s}@keyframes dotPulse{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.loading-indicator__text{font-size:.875rem;color:var(--text-muted)}.error-message{background-color:var(--error-bg);border:1px solid rgba(248,113,113,.2);border-radius:.75rem;padding:.875rem 1rem;margin:.5rem 0;animation:messageIn .3s ease-out}.error-message__text{font-size:.875rem;color:var(--error-text)}.error-message--blocked{background-color:var(--blocked-bg);border-color:var(--border-subtle)}.error-message--blocked .error-message__text{color:var(--blocked-text)}.chat-input{padding:1rem 1.5rem 1.5rem;background-color:var(--bg-primary);border-top:1px solid var(--border-subtle);flex-shrink:0}.chat-input__wrapper{max-width:var(--max-width);margin:0 auto;display:flex;gap:.75rem;align-items:flex-end}.chat-input__field{flex:1;background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:1.5rem;padding:.875rem 1.25rem;font-family:var(--font-body);font-size:.9375rem;color:var(--text-primary);resize:none;outline:none;transition:border-color var(--transition-fast);min-height:48px;max-height:200px;line-height:1.5}.chat-input__field::placeholder{color:var(--text-muted)}.chat-input__field:focus{border-color:var(--accent)}.chat-input__field:disabled{opacity:.5;cursor:not-allowed}.chat-input__button{width:48px;height:48px;border-radius:50%;border:none;background-color:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast),transform var(--transition-fast);flex-shrink:0}.chat-input__button:hover:not(:disabled){background-color:var(--accent-hover);transform:scale(1.05)}.chat-input__button:disabled{opacity:.4;cursor:not-allowed}.chat-input__button svg{width:20px;height:20px}.info-panel{flex:1;overflow-y:auto;padding:2rem 1.5rem}.info-panel__content{max-width:640px;margin:0 auto}.info-panel__back{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);cursor:pointer;margin-bottom:2rem;transition:color var(--transition-fast)}.info-panel__back:hover{color:var(--text-primary)}.info-panel__title{font-family:var(--font-display);font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem}.info-panel__section{margin-bottom:2rem}.info-panel__heading{font-family:var(--font-display);font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem}.info-panel__text{font-size:.9375rem;color:var(--text-secondary);line-height:1.7}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--border-subtle);border-radius:4px}@media(max-width:640px){.header{padding:.875rem 1rem}.header__logo{font-size:1.125rem}.header__nav{gap:1rem}.header__link{font-size:.8125rem}.message-list{padding:1rem}.chat-input{padding:.875rem 1rem 1.25rem}.welcome__title{font-size:1.5rem}.welcome__subtitle{font-size:1rem}}