/* Conversation visual system. Keep existing functionality and semantic controls. */
body{background:#fcfafb;color:#29262b}
.sidebar{background:#f3eff1;border-right-color:#e9e1e6;backdrop-filter:none}
.ai-header{background:#fcfafbeF;border-bottom:1px solid #efe9ed}
.ai-main{padding:16px 28px 10px}
.ai-main:has(.chat-card:not([hidden])){width:100%;max-width:1440px;margin-inline:auto}
.ai-main .intro-section{text-align:center;margin:clamp(18px,9vh,100px) auto 0;width:100%}
.ai-main .intro-section h1{font-size:clamp(26px,3.1vw,42px);font-weight:600;letter-spacing:-.045em;line-height:1.2}
.ai-main .suggestions{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin:24px auto 0;max-width:850px}
.ai-main .suggestion-button{flex:0 1 auto;min-height:42px;padding:11px 16px;border-radius:24px;border:1px solid #e5dce2;background:#fff;box-shadow:none;font-size:12px;font-weight:400;color:#6b5e68;gap:12px}
.ai-main .suggestion-button:hover{background:#f4edf1;border-color:#cdb8c6;transform:none}
.ai-main .chat-card{margin-top:18px}
.ai-main .chat-messages{padding:16px 12px 28px;scroll-behavior:auto}
.message{margin-bottom:32px}.ai-message .message-body{font-size:15px;line-height:1.8;color:#302b30}
.message-body>p,.message-body>ul,.message-body>ol{max-width:85ch}.message-body h2{margin:24px 0 12px;font-size:21px}.message-body h3{margin:20px 0 10px;font-size:17px}
.user-message .message-content{background:#eee7ed;border:0;border-radius:22px;padding:12px 18px;box-shadow:none;max-width:min(78%,760px)}
.message-body pre{border:1px solid #e0d9e0;background:#f5f3f6!important;padding:20px;border-radius:0 0 14px 14px;line-height:1.7}
.message-body pre code{font-family:Consolas,'Courier New',monospace;font-size:13px;color:#302c36;background:transparent}
.code-toolbar{background:#ebe7ed;border:1px solid #e0d9e0;border-bottom:0;border-radius:14px 14px 0 0;padding:8px 12px}
.code-toolbar .studio-button{background:transparent;border-color:transparent;min-height:32px;padding:5px 9px;color:#665a68;font-size:11px}.code-toolbar .studio-button:hover{background:white}
.ai-message .message-content>.studio-actions{margin-top:12px}.ai-message .message-content>.studio-actions .studio-button{background:transparent;border-color:transparent;color:#83727e;font-size:11px;padding:5px 8px}
.ai-main .chat-form{position:relative;width:100%;max-width:1120px;align-self:center;margin:0 auto;padding:12px 16px 48px;border:1px solid #dfd5de;border-radius:24px;background:#fff;box-shadow:0 5px 24px #33243a06;flex-shrink:0}
.chat-form:focus-within{border-color:#bda6b6;box-shadow:0 0 0 3px #bda6b610}
.chat-form .composer{min-height:42px;padding:0;gap:0;display:block;background:transparent;border:0;box-shadow:none}
.chat-form .composer #user-input{font-size:16px;line-height:1.5;padding:8px 2px;min-height:40px;max-height:150px;display:block}
.chat-form .composer #user-input::placeholder{color:#9a8c97;font-size:14px}
.chat-form .send-button{position:absolute;bottom:10px;right:12px;width:36px;height:36px;border-radius:50%;background:#302833;box-shadow:none}
.chat-form .send-button:disabled{background:#e9e3e8;color:#aaa0a8;opacity:1}
.chat-form .attachment-bar{position:absolute;bottom:10px;left:12px;margin:0;padding:0;max-width:calc(100% - 70px)}
.chat-form .attachment-bar small,.chat-form .form-footer{display:none}
.chat-form .attachment-bar .studio-button{min-height:34px;border:0;border-radius:18px;padding:7px 11px;background:#f4eff3;font-size:11px;color:#6c5968}
.chat-form .attachment-list:not(:empty){padding:0 0 8px}.chat-form .request-status:empty{display:none}.chat-form .request-status{font-size:11px;margin:4px 0;color:#8b7581}.chat-form .stop-button{margin:4px 0}
.ai-warning{text-align:center;font-size:10px;color:#a1929e;line-height:1.4;margin-top:8px}
@media(max-width:700px){.ai-main{padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px))}.ai-main .intro-section{margin-top:clamp(16px,6vh,50px)}.ai-main .intro-section h1{font-size:27px}.ai-main .suggestions{flex-direction:column;align-items:center;margin-top:20px;gap:8px;width:100%}.ai-main .suggestion-button{width:min(100%,310px);justify-content:space-between;font-size:12px;min-height:42px}.chat-drafting .ai-main .suggestions{display:none}.ai-main .chat-card{margin-top:12px}.ai-main .chat-messages{padding:10px 2px 18px}.ai-message .message-body{font-size:14px;line-height:1.75}.message-body pre{padding:14px 12px}.message-body pre code{font-size:12px}.message{margin-bottom:26px}.ai-main .chat-form{padding:10px 12px 48px;border-radius:22px}.user-message .message-content{max-width:88%;padding:10px 14px}.code-toolbar{padding:6px}.code-toolbar .studio-button{padding:5px 6px;font-size:10px}.ai-warning{font-size:9px}}
@media(max-height:600px){.ai-main .intro-section{margin-top:8px}.ai-main .suggestions{margin-top:10px;gap:5px}.ai-main .suggestion-button{min-height:34px;padding:7px 12px}}