:root{--sidebar-width:280px;--bg-primary:#000;--bg-glass:rgba(255,255,255,.05);--bg-glass-hover:rgba(255,255,255,.1);--bg-card:rgba(30,30,30,.8);--gradient-1:linear-gradient(135deg,#333,#222);--gradient-accent:linear-gradient(135deg,#666,#555);--border:1px solid rgba(255,255,255,.1);--accent-blue:#888;--text-primary:#fff;--text-secondary:rgba(255,255,255,.7);--text-muted:rgba(255,255,255,.5);--shadow:0 8px 32px rgba(0,0,0,.5);--ease:cubic-bezier(.4,0,.2,1)}
*{margin:0;padding:0;box-sizing:border-box}
.twemoji{width:1.2em;height:1.2em;display:inline-block;vertical-align:-.2em}
#ascii-canvas{position:fixed;inset:0;z-index:-2;opacity:.52;pointer-events:none}
.ambient-bg{display:none!important}
.page-noise{display:none!important}
body{font-family:'Inter',-apple-system,sans-serif;background:#050505;color:var(--text-primary);height:100vh;width:100vw;overflow:hidden;display:flex}
.sidebar{width:var(--sidebar-width);height:100%;background:rgba(0,0,0,.82);border-right:var(--border);display:flex;flex-direction:column;transition:transform .3s var(--ease);z-index:100}
.sidebar-header{padding:20px;border-bottom:var(--border);display:flex;justify-content:space-between;align-items:center;background:transparent}
.sidebar-brand{font-size:14px;font-weight:700;letter-spacing:-.03em;color:#fff;text-decoration:none}
.profile-block{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:var(--border);background:transparent;cursor:pointer}
.profile-block:hover{background:rgba(255,255,255,.06)}
.profile-block:focus-visible{outline:1px solid rgba(255,255,255,.24);outline-offset:-2px}
.profile-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff785d,#ff4f72);font-size:16px;font-weight:700}
.profile-name{font-weight:700;font-size:14px}
.profile-handle{color:var(--text-muted);font-size:12px;margin-top:2px}
.sidebar-controls{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:var(--border);background:transparent}
.sidebar-model-btn{flex:1;border:none;background:var(--bg-glass);color:var(--text-secondary);border-radius:12px;padding:10px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;text-align:left;display:flex;align-items:center;justify-content:space-between}
.sidebar-model-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.sidebar-model-btn::after{content:'';width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.75}
.sidebar-plus-btn{width:40px;height:40px;border:none;border-radius:10px;background:var(--bg-glass);color:var(--text-secondary);font-size:22px;cursor:pointer}
.sidebar-plus-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-glass);border:none;border-radius:10px;color:var(--text-secondary);cursor:pointer}
.icon-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.sidebar-scroll{flex:1;overflow-y:auto;padding:12px}
.nav-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;color:var(--text-primary);text-decoration:none;font-size:14px;font-weight:500;cursor:pointer;margin-bottom:4px}
.nav-item:hover{background:var(--bg-glass-hover)}
.nav-item svg{color:var(--text-secondary);opacity:.8}
.section-header{display:flex;justify-content:space-between;align-items:center;padding:16px 16px 8px;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.chats-list{display:flex;flex-direction:column}
.chat-link{padding:10px 16px;font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:12px;cursor:pointer}
.chat-link:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.chat-item{display:flex;align-items:center;gap:10px;padding:10px 8px;border-radius:12px;cursor:pointer;position:relative}
.chat-item:hover,.chat-item.active{background:var(--bg-glass-hover)}
.chat-icon{width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.08);flex-shrink:0;text-align:center;font-size:13px;display:flex;align-items:center;justify-content:center}
.chat-info{flex:1;min-width:0}
.chat-title{font-size:13px;font-weight:600;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-time{font-size:11px;color:var(--text-muted);margin-top:3px}
.chat-actions-mini{display:flex;gap:2px;opacity:0}
.chat-item:hover .chat-actions-mini{opacity:1}
.chat-action-mini{width:24px;height:24px;border:none;border-radius:7px;background:transparent;color:var(--text-muted);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}
.chat-action-mini:hover{background:rgba(255,255,255,.12);color:var(--text-primary)}
.chat-more-btn{margin-left:auto}
.chat-context-menu{position:fixed;z-index:300;min-width:210px;background:rgba(18,18,18,.98);border:var(--border);border-radius:16px;padding:8px;box-shadow:0 18px 50px rgba(0,0,0,.55);display:none}
.chat-context-menu.open{display:block}
.context-menu-item{width:100%;border:none;background:transparent;color:var(--text-secondary);font:inherit;font-size:14px;text-align:left;padding:12px 14px;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:10px}
.context-menu-item:hover{background:rgba(255,255,255,.09);color:var(--text-primary)}
.context-menu-item.danger{color:#ff8080}
.sidebar-empty{padding:12px 16px;font-size:13px;color:var(--text-muted);line-height:1.5}
.sidebar-footer{padding:16px;border-top:var(--border);background:transparent;text-align:center;display:flex;flex-direction:column;gap:12px}
.footer-logo{display:block;font-size:13px;color:#fff;font-weight:700;text-decoration:none}
.footer-actions{display:flex;gap:8px}
.footer-item{flex:1;display:flex;align-items:center;justify-content:center;padding:9px 0;border-radius:12px;font-size:12px;color:var(--text-secondary);cursor:pointer;text-decoration:none;text-align:center;background:rgba(255,255,255,.08)}
.footer-item:hover{background:rgba(255,255,255,.18);color:var(--text-primary)}
.main-content{position:fixed;top:0;right:0;bottom:0;left:var(--sidebar-width);background:transparent;min-width:0;overflow:visible;pointer-events:none;z-index:20}
.main-content>*{pointer-events:auto}
.chat-header{height:64px;display:flex;align-items:center;padding:0 16px;gap:12px;border-bottom:none;background:transparent;position:absolute;top:0;left:0;right:0;z-index:60}
.chat-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(20,20,28,.72) 0%,rgba(7,7,12,.55) 70%,rgba(5,5,9,.25) 100%);backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);z-index:-1;pointer-events:none;transition:background .4s ease}
.chat-header.banner-active::before{background:rgba(255,255,255,.04)}
.chat-title-header{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:360px;font-size:15px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}
.chat-title-header:empty{display:none}
.menu-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-glass);border:none;border-radius:10px;color:var(--text-primary);cursor:pointer}
.menu-btn:hover{background:var(--bg-glass-hover)}
.model-selector{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-glass);border-radius:12px;cursor:pointer;font-weight:600;color:var(--accent-blue);text-decoration:none}
.model-selector:hover{background:var(--bg-glass-hover)}
.model-trigger.is-open{background:rgba(255,255,255,.12);color:var(--text-primary);box-shadow:0 8px 20px rgba(0,0,0,.35)}
.header-spacer{flex:1}
.chat-actions{display:flex;gap:8px}
.chat-action-btn{border:none;background:var(--bg-glass);border:var(--border);color:var(--text-secondary);padding:9px 14px;border-radius:12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.chat-action-btn:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.chat-messages{position:fixed;top:0;right:0;bottom:0;left:0;overflow-y:auto;overflow-x:hidden;display:block;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.24) transparent;z-index:10;padding-left:var(--sidebar-width);box-sizing:border-box}
.chat-messages::-webkit-scrollbar{width:10px}
.chat-messages::-webkit-scrollbar-track{background:transparent}
.chat-messages::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:999px;border:2px solid rgba(5,5,12,.65)}
.chat-messages::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.32)}
.chat-messages-scroll{display:flex;flex-direction:column;width:100%;min-height:100%;padding:64px 24px 220px}
html,body,.main-content,.chat-messages-scroll,.messages-container{scrollbar-width:none}
html::-webkit-scrollbar,body::-webkit-scrollbar,.main-content::-webkit-scrollbar,.chat-messages-scroll::-webkit-scrollbar,.messages-container::-webkit-scrollbar{width:0;height:0}
.chat-messages-scroll::after{content:'';display:block;height:1px;margin-right:16px}
.welcome-screen{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;margin:0;width:100%;animation:fadeInUp .6s ease both}
.new-chat-message{flex:1;min-height:0;display:none;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;margin:0;width:100%;opacity:0}
.new-chat-message.show-animated{display:flex;opacity:1;animation:fadeInUp .6s ease both}
.new-chat-message .welcome-title{margin-bottom:10px}
.new-chat-subtitle{font-size:14px;color:var(--text-muted)}
.temporary-chat-icon{width:56px;height:56px;border-radius:50%;background:var(--bg-card);border:var(--border);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--text-secondary)}
.temporary-chat-title{font-size:24px;font-weight:500;margin-bottom:12px;color:var(--text-primary)}
.temporary-chat-text{max-width:760px;font-size:16px;line-height:1.5;color:var(--text-secondary);margin-bottom:26px}
.temporary-chat-text span{color:#b8d2ff}
#welcome-content{width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}
.welcome-title{font-size:32px;font-weight:700;color:#fff;margin-bottom:18px;width:100%;animation:fadeInUp .6s ease both}
@keyframes fadeInUp{from{opacity:0}to{opacity:1}}
.welcome-input-box{width:100%;max-width:640px;background:rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:16px 18px 12px;margin:0 auto;box-shadow:0 18px 50px rgba(0,0,0,.35);animation:fadeInUp .5s ease .2s both}
.welcome-input-box.has-photos{padding-top:14px}
.welcome-input{width:100%;min-height:42px;max-height:120px;background:transparent;border:none;outline:none;color:var(--text-primary);font:inherit;font-size:15px;resize:none}
.welcome-input::placeholder{color:var(--text-muted)}
.welcome-input-footer{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.welcome-input-tools{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:13px;position:relative}
.welcome-tool-btn{width:28px;height:28px;border:none;border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center}
.welcome-tool-label{border:none;background:rgba(255,255,255,.06);color:var(--text-secondary);border-radius:999px;padding:8px 12px;font:inherit;font-size:13px;cursor:pointer}
.tools-trigger{outline:none}
.tools-trigger:focus-visible{outline:none}
.tools-trigger.is-open{background:rgba(255,255,255,.16);color:#fff}
.welcome-tool-label:hover{background:rgba(255,255,255,.12);color:var(--text-primary)}
.welcome-send-btn{width:34px;height:34px;border:none;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.welcome-send-btn:disabled{opacity:.4;cursor:not-allowed}
.welcome-send-btn:not(:disabled):hover{background:rgba(255,255,255,.24)}
.suggestion-chips{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;width:100%;max-width:640px;margin:0 auto 22px;padding:0;animation:fadeInUp .5s ease .3s both}
.chip{background:rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 20px;cursor:pointer;position:relative;width:100%}
.suggestion-chips .chip{width:auto;min-width:184px;padding:14px 16px;border-radius:18px}
.chip::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.15);opacity:0}
.chip:hover{box-shadow:0 6px 20px rgba(255,255,255,.07);border-color:rgba(255,255,255,.16)}
.chip:hover::before{opacity:.1}
.chip-content{position:relative;z-index:1;display:flex;align-items:center;gap:16px;width:100%}
.suggestion-chips .chip-content{gap:8px;align-items:center}.suggestion-chips .chip-text{display:flex;flex-direction:column;justify-content:center}
.chip-icon{width:40px;height:40px;border-radius:10px;background:var(--gradient-1);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;line-height:1;overflow:hidden}.chip-icon img{width:20px;height:20px;object-fit:contain;vertical-align:middle}
.chip-text{display:flex;flex-direction:column;min-width:0}
.chip-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.suggestion-chips .chip-title{margin-bottom:0;font-size:13px}
.chip-desc{font-size:12px;color:var(--text-muted)}
.suggestion-chips .chip-desc{display:none}
.messages-container{display:flex;flex-direction:column;gap:18px;width:100%;max-width:800px;margin:0 auto;overflow-x:hidden;min-width:0;padding-top:32px}
.message{max-width:85%;word-wrap:break-word;overflow-wrap:break-word;min-width:0;width:fit-content;max-width:calc(100vw - 80px)}
.message.user{align-self:flex-end}
.message-bubble{padding:16px 20px;border-radius:20px;font-size:15px;line-height:1.6;position:relative;overflow-wrap:break-word;word-break:break-word;max-width:100%;min-width:0;border:1px solid rgba(255,255,255,.08);box-shadow:0 15px 40px rgba(0,0,0,.35)}
.message.user .message-bubble{background:rgba(0,0,0,.9);color:white;border-bottom-right-radius:6px}
.message.assistant .message-bubble{background:rgba(0,0,0,.76);border-bottom-left-radius:6px;color:var(--text-primary)}
.message.assistant.typing{align-self:flex-start;width:fit-content;max-width:85%}
.message.assistant.typing .message-bubble{display:block;justify-content:flex-start;padding:16px 20px;background:rgba(0,0,0,.76);border:1px solid rgba(255,255,255,.08);box-shadow:0 15px 40px rgba(0,0,0,.35)}
.input-bloom{position:fixed;left:var(--sidebar-width);right:0;bottom:0;height:120px;background:linear-gradient(to top,rgba(0,0,0,0.46),rgba(0,0,0,0.18) 50%,rgba(0,0,0,0));filter:blur(8px);z-index:65;pointer-events:none}
.input-area{padding:12px 20px 6px;border-top:none;background:transparent;position:fixed;bottom:18px;left:var(--sidebar-width);right:0;z-index:70;animation:composerSlideDown 0.42s ease both}
.input-area::before{display:none}
.input-container{display:flex;flex-direction:column;background:rgba(0,0,0,.92);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:16px 18px 12px;transition:border-color .2s;max-width:800px;min-height:104px;margin:0 auto;box-shadow:0 18px 55px rgba(0,0,0,.55)}
@keyframes composerSlideDown{from{opacity:0;transform:translateY(-120px) scale(1.02)}to{opacity:1;transform:translateY(0) scale(1)}}
.input-container.has-photos{padding-top:14px}
.input-container:focus-within{border-color:rgba(255,255,255,.3)}
.message-input{width:100%;background:transparent;border:none;padding:0 6px;color:var(--text-primary);font-size:15px;resize:none;max-height:110px;min-height:40px;height:40px;outline:none;font-family:inherit;line-height:20px;display:block}
.message-input::placeholder{color:var(--text-muted)}
.input-footer{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:auto;padding-top:8px}
.send-btn{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.16);border:none;border-radius:50%;color:white;cursor:pointer;flex-shrink:0}
.send-btn:hover:not(:disabled){opacity:.9}
.send-btn:disabled{background:var(--bg-glass);color:var(--text-muted);cursor:not-allowed}
.tools-menu{position:fixed;z-index:320;display:none;min-width:230px;background:rgba(0,0,0,.9);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:10px;box-shadow:0 18px 50px rgba(0,0,0,.55)}
.tools-menu.open{display:block}
.tools-menu-title{font-size:13px;font-weight:700;color:var(--text-secondary);padding:8px 10px 10px}
.tools-menu-divider{height:1px;margin:4px 6px 10px;background:rgba(255,255,255,.08);border-radius:999px}
.tools-menu-item{width:100%;border:none;background:transparent;color:var(--text-primary);font:inherit;font-size:14px;font-weight:600;text-align:left;padding:11px 10px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
.tools-menu-item:hover{background:rgba(255,255,255,.08)}
.tool-check{width:15px;height:15px;border-radius:50%;display:none;align-items:center;justify-content:center;color:#9fa4b3}
.tools-menu-item.active .tool-check{display:flex}
.tools-submenu{position:fixed;z-index:330;display:none;min-width:140px;max-width:170px;background:rgba(0,0,0,.92);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:6px;box-shadow:0 18px 50px rgba(0,0,0,.55)}
.tools-submenu.open{display:block}
.effort-option{width:100%;border:none;background:transparent;color:var(--text-secondary);font:inherit;font-size:13px;text-align:left;padding:8px 12px;border-radius:9px;cursor:pointer;white-space:nowrap}
.effort-option:hover,.effort-option.active{background:rgba(255,255,255,.08);color:var(--text-primary)}
.modal{display:none;position:fixed;z-index:220;background:transparent;padding:0}
.modal.open{display:block}
.modal-content{background:#050505;border:1px solid rgba(255,255,255,.09);border-radius:16px;width:320px;max-height:420px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.55)}
.modal-header{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center}
.modal-title{font-size:13px;font-weight:700;color:var(--text-secondary)}
.close-modal{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:8px;color:var(--text-secondary);font-size:18px;cursor:pointer}
.close-modal:hover{background:var(--bg-glass-hover);color:var(--text-primary)}
.modal-body{padding:8px;max-height:360px;overflow-y:auto}
.modal-body::-webkit-scrollbar,.tools-menu::-webkit-scrollbar,.tools-submenu::-webkit-scrollbar{width:8px}
.modal-body::-webkit-scrollbar-track,.tools-menu::-webkit-scrollbar-track,.tools-submenu::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:999px}
.modal-body::-webkit-scrollbar-thumb,.tools-menu::-webkit-scrollbar-thumb,.tools-submenu::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:999px;border:2px solid rgba(10,10,22,.55)}
.modal-body::-webkit-scrollbar-thumb:hover,.tools-menu::-webkit-scrollbar-thumb:hover,.tools-submenu::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.32)}
.modal-body,.tools-menu,.tools-submenu{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.24) rgba(255,255,255,.04)}
.model-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;cursor:pointer;margin-bottom:2px}
.model-item:hover,.model-item.active{background:var(--bg-glass-hover)}
.model-icon{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0;color:rgba(255,255,255,.7)}
.model-logo{width:22px;height:22px;object-fit:contain}
.model-info{flex:1;min-width:0}
.model-name-line{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px;line-height:1.3}
.model-tags{display:flex;gap:6px;flex-wrap:wrap}
.model-tag{font-size:10px;padding:2px 7px;border-radius:5px;font-weight:400;background:rgba(255,255,255,.08);color:rgba(255,255,255,.65)}


/* ── Thinking / Reasoning blocks ── */
.thinking-block{background:rgba(255,165,0,.06);border:1px solid rgba(255,165,0,.15);border-radius:12px;margin:8px 0;overflow:hidden;cursor:pointer}
.thinking-block:hover{border-color:rgba(255,165,0,.25)}
.thinking-header{display:flex;align-items:center;gap:8px;padding:10px 14px;font-size:13px;font-weight:600;color:rgba(255,255,255,.7)}
.thinking-header .icon{font-size:14px}
.thinking-header .label{flex:1}
.thinking-header .toggle{font-size:10px;opacity:.6}
.thinking-block.collapsed .toggle{transform:rotate(-90deg)}
.thinking-block.collapsed .thinking-content{display:none}
.thinking-content{padding:4px 14px 14px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.65);white-space:pre-wrap;word-break:break-word}
.thinking-content pre{margin:4px 0;padding:8px;background:rgba(0,0,0,.3);border-radius:8px;overflow-x:auto;font-size:13px}

/* ── Code blocks ── */
.code-block{position:relative;margin:10px 0;border-radius:12px;overflow:hidden;background:rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.08)}
.code-header{padding:8px 14px;font-size:12px;font-weight:600;color:rgba(255,255,255,.5);background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.06)}
.code-block pre{margin:0;padding:14px;overflow-x:auto;font-family:'JetBrains Mono','Fira Code',monospace;font-size:13px;line-height:1.5;max-width:100%;box-sizing:border-box}
.code-block .copy-btn{position:absolute;top:6px;right:8px;padding:4px 10px;font-size:11px;font-weight:600;border:none;border-radius:6px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.6);cursor:pointer;z-index:2}
.code-block .copy-btn:hover{background:rgba(255,255,255,.2);color:#fff}
.inline-code{background:rgba(255,255,255,.1);padding:2px 6px;border-radius:4px;font-family:'JetBrains Mono','Fira Code',monospace;font-size:13px}
.code-keyword{color:#c678dd}.code-string{color:#98c379}.code-comment{color:#5c6370;font-style:italic}.code-number{color:#d19a66}.code-function{color:#61afef}

/* ── Math ── */
.math-block{margin:10px 0;padding:12px;background:rgba(255,255,255,.03);border-radius:8px;text-align:center;overflow-x:auto;font-size:16px}
.math-inline{font-style:italic}
.fraction{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;margin:0 2px}
.fraction .num{border-bottom:1px solid rgba(255,255,255,.4);padding:0 4px;line-height:1.2}
.fraction .den{padding:0 4px;line-height:1.2}
.big-op{font-size:1.2em}

/* ── Tables ── */
.table-scroll{overflow-x:auto;margin:10px 0}
.markdown-table{width:100%;border-collapse:collapse;font-size:13px}
.markdown-table th,.markdown-table td{padding:8px 12px;border:1px solid rgba(255,255,255,.1);text-align:left}
.markdown-table th{background:rgba(255,255,255,.06);font-weight:600}
.markdown-table tr:hover{background:rgba(255,255,255,.04)}

/* ── Lists ── */
.markdown-list{margin:6px 0;padding-left:24px;font-size:14px;line-height:1.6}
.markdown-list li{margin:2px 0}

/* ── Blockquotes ── */
blockquote{margin:8px 0;padding:8px 14px;border-left:3px solid rgba(255,255,255,.2);background:rgba(255,255,255,.03);border-radius:0 8px 8px 0;font-size:14px;color:rgba(255,255,255,.7)}

/* ── Checklists ── */
.checklist-item{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:14px}
.checklist-item input[type=checkbox]{accent-color:#ffb347}
.checklist-item.done{color:rgba(255,255,255,.4);text-decoration:line-through}

/* ── Links ── */
.markdown-link{color:var(--accent-blue);text-decoration:underline;text-underline-offset:2px}
.markdown-link:hover{color:#8bc3ff}

/* ── Images ── */
.markdown-image{max-width:100%;border-radius:8px;margin:8px 0}

/* ── Message footer ── */
.message-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 0 6px 4px;font-size:12px;color:rgba(255,255,255,.4);margin-left:4px;flex-wrap:wrap}
.message-footer-left{display:flex;gap:12px;align-items:center}
.message-footer-right{display:flex;gap:2px;align-items:center;margin-left:auto}
.msg-btn{width:26px;height:26px;border:none;border-radius:6px;background:transparent;color:rgba(255,255,255,.3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;flex-shrink:0}
.msg-btn:hover{background:rgba(255,255,255,.08);color:rgba(255,255,255,.7)}
.msg-btn svg{width:14px;height:14px}
.msg-btn--copied{color:#10b981}

/* ── Message tooltip ── */
.message-tooltip{position:fixed;z-index:9999;pointer-events:none;opacity:0;transform:translateY(4px);transition:opacity .15s ease,transform .15s ease;background:#000;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:12px 16px;min-width:190px;max-width:260px;box-shadow:0 12px 40px rgba(0,0,0,.5);font-size:13px;line-height:1.4}
.message-tooltip.visible{opacity:1;transform:translateY(0)}
.message-tooltip-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:3px 0}
.message-tooltip-label{color:rgba(255,255,255,.5)}
.message-tooltip-value{color:rgba(255,255,255,.85);font-weight:500}
/* guest-limit-inline removed */

/* ── Stop button ── */
.stop-btn{width:36px;height:36px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stop-btn:hover{background:rgba(255,80,80,.25)}
.stop-btn svg{width:16px;height:16px}

/* ── Photo preview (input area) ── */
.photo-preview{display:flex;align-items:flex-start;gap:8px;padding:0 6px 10px;overflow-x:auto}
.photo-thumb{position:relative;flex-shrink:0;width:62px;height:62px;border-radius:10px;overflow:hidden;background:rgba(255,255,255,.08)}
.photo-thumb img{width:100%;height:100%;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.14);display:block;position:relative;z-index:1}
.photo-remove{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.72);color:#fff;font-size:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;z-index:2}
.photo-remove:hover{background:rgba(255,60,60,.7)}

/* ── Image preview in messages ── */
.image-preview{margin-bottom:8px}
.image-preview img{max-width:240px;max-height:240px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}

/* ── Generation stopped (inline inside message) ── */
.generation-stopped-inline{color:rgba(255,255,255,.35);font-size:12px;font-style:italic;padding:4px 0;margin-top:4px}
.generation-stopped-msg{display:none}

/* ── Typing indicator ── */
.typing-indicator{display:flex;align-items:center;gap:6px;padding:4px 0;color:rgba(255,255,255,.5);font-size:13px;max-height:40px;overflow:hidden}
.typing-dots{display:flex;gap:4px}
.typing-dots.hidden{opacity:0;position:absolute}
.typing-dot{width:6px;height:6px;background:rgba(255,255,255,.4);border-radius:50%}
.typing-text{color:rgba(255,255,255,.5);font-size:13px;opacity:0}
.typing-text.visible{opacity:1}

/* ── Dialog modal ── */
.dialog-overlay{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.72);align-items:center;justify-content:center}
.dialog-overlay.open{display:flex}
.dialog-box{width:min(440px,92vw);border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(10,10,10,.96);box-shadow:0 24px 80px rgba(0,0,0,.7),0 8px 24px rgba(0,0,0,.5);padding:32px;position:relative}
.dialog-title{font-size:18px;font-weight:760;letter-spacing:-.02em;margin:0 0 18px;color:var(--text-primary)}
.dialog-input{width:100%;height:40px;border:1px solid rgba(255,255,255,.12);border-radius:10px;background:rgba(255,255,255,.04);color:#fff;padding:0 14px;font:500 14px/1 'Inter',-apple-system,sans-serif;outline:none;margin-bottom:14px;box-sizing:border-box}
.dialog-input:focus{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.06)}
.dialog-body{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:16px;line-height:1.5}
.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.dialog-btn{height:34px;border-radius:10px;padding:0 18px;font:760 12px/1 'Inter',-apple-system,sans-serif;cursor:pointer;border:1px solid rgba(255,255,255,.14)}
.dialog-cancel{background:rgba(255,255,255,.04);color:rgba(255,255,255,.62)}
.dialog-cancel:hover{background:rgba(255,255,255,.08);color:#fff}
.dialog-confirm{background:rgba(255,255,255,.1);color:#fff}
.dialog-confirm:hover{background:rgba(255,255,255,.16)}
.dialog-confirm.danger{background:rgba(255,60,60,.2);color:#ff6b6b}
.dialog-confirm.danger:hover{background:rgba(255,60,60,.35)}

/* ── Profile modal ── */
.profile-modal-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:1001;background:rgba(0,0,0,.72);opacity:0;pointer-events:none;transition:opacity .25s ease}
.profile-modal-overlay.open{display:flex;opacity:1;pointer-events:auto}
.profile-modal-overlay.closing{opacity:0}
.profile-modal{position:relative;width:min(420px,92vw);border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(10,10,10,.96);box-shadow:0 24px 80px rgba(0,0,0,.7),0 8px 24px rgba(0,0,0,.5);padding:30px;text-align:center;transform:scale(.92);opacity:0;transition:transform .3s ease,opacity .3s ease}
.profile-modal-overlay.open .profile-modal{transform:scale(1);opacity:1}
.profile-modal-overlay.closing .profile-modal{transform:scale(.92);opacity:0}
.profile-modal-close{position:absolute;top:14px;right:14px;width:30px;height:30px;border:none;border-radius:50%;background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);cursor:pointer;display:flex;align-items:center;justify-content:center}
.profile-modal-close:hover{background:rgba(255,255,255,.14);color:#fff}
.profile-modal-avatar{width:72px;height:72px;margin:0 auto 14px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff785d,#ff4f72);font-size:28px;font-weight:800;color:#fff}
.profile-modal-name{font-size:22px;font-weight:800;color:#fff}
.profile-modal-handle{font-size:13px;color:var(--text-muted);margin-top:4px}
.profile-modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px;text-align:left}
.profile-modal-card{padding:12px;border-radius:14px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.07);min-width:0}
.profile-modal-card span{display:block;font-size:11px;color:var(--text-muted);margin-bottom:5px}
.profile-modal-card strong{display:block;font-size:13px;color:var(--text-primary);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.profile-modal-link{display:flex;align-items:center;justify-content:center;margin-top:18px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);color:#fff;text-decoration:none;font-size:14px;font-weight:700}
.profile-modal-link:hover{background:rgba(255,255,255,.18)}

/* ── Reasoning effort active ── */
.effort-option.active{background:rgba(255,165,0,.15);color:#ffb347}

/* ── Search tool active ── */
.tools-menu-item.active .tool-check{display:inline}
.tools-menu-item .tool-check{display:none}

@media(max-width:768px){:root{--sidebar-width:0px}.sidebar{position:absolute;left:0;top:0;width:280px;transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.welcome-title{font-size:26px}.suggestion-chips{max-width:100%}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.3)}

/* ── Locked model (guest) ── */
.model-locked{position:relative;pointer-events:auto;overflow:hidden}
.model-locked .model-icon,.model-locked .model-info{filter:blur(5px)!important;opacity:.42!important;user-select:none}
.model-lock-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(0,0,0,.62);z-index:2}
.lock-text{font-size:11px;font-weight:700;color:rgba(255,255,255,.85);text-align:center;padding:6px 10px;background:rgba(255,255,255,.1);border-radius:8px}

/* ── Guest counter ── */
.guest-counter{display:flex;align-items:center;justify-content:center;height:40px;padding:0 16px;font-size:13px;font-weight:600;color:var(--text-muted);background:var(--bg-glass);border-radius:10px;margin-left:auto;gap:6px;white-space:nowrap}
.guest-counter.counter-warning{color:#f59e0b;background:rgba(245,158,11,.1)}

/* ── Guest access banner (top) ── */
.guest-access-banner{position:absolute;top:64px;left:0;right:0;z-index:55;display:flex;align-items:center;justify-content:center;gap:14px;padding:10px 20px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.08)}
.guest-access-banner-text{font-size:14px;font-weight:500;color:rgba(255,255,255,.88);line-height:1.4}
.guest-access-banner-btn{padding:7px 18px;border-radius:999px;background:#fff;color:#000;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap;flex-shrink:0}
.guest-access-banner-btn:hover{background:#e0e0ff}
.guest-access-banner-close{width:28px;height:28px;border-radius:8px;border:none;background:rgba(255,255,255,.08);color:rgba(255,255,255,.5);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.guest-access-banner-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ── Notif overlay (for guest limit modal) ── */
.notif-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;display:flex;align-items:center;justify-content:center}
.notif-modal-box{background:#050505;border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:0;width:440px;max-width:calc(100% - 32px);box-shadow:0 24px 80px rgba(0,0,0,.6);display:flex;flex-direction:column}
.notif-modal-header{padding:20px 24px 14px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.notif-modal-header h3{font-size:16px;font-weight:700;margin:0}
.notif-modal-close{background:none;border:none;color:rgba(255,255,255,.5);cursor:pointer;padding:4px;border-radius:6px;display:flex;align-items:center;justify-content:center}.notif-modal-close:hover{color:#fff;background:rgba(255,255,255,.06)}
.notif-modal-body{padding:20px 24px;display:flex;flex-direction:column;gap:14px}

/* ── Toast notifications ── */
.chat-toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);padding:10px 20px;border-radius:10px;font-size:13px;font-weight:500;z-index:999;opacity:0;transition:opacity .3s ease;pointer-events:none;max-width:90vw;text-align:center}
.chat-toast--visible{opacity:1}
.chat-toast--error{background:rgba(220,38,38,.9);color:#fff}
.chat-toast--info{background:rgba(255,255,255,.1);color:var(--text-primary);backdrop-filter:blur(8px)}

@keyframes modalOverlayIn{from{opacity:0}to{opacity:1}}
@keyframes modalOverlayOut{from{opacity:1}to{opacity:0}}
@keyframes modalBoxIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes modalBoxOut{from{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(8px) scale(.97)}}