/* Dark is the default: the Ride Eats mark is drawn for dark backgrounds. */
:root{--bg:#101513;--bg2:#171b1a;--bg3:#1e2422;--sidebar:#0c100e;--text:#f1f9f6;--muted:#9fb3aa;--line:#2b3430;--brand:#1fa476;--brand2:#25c48d;--brand-soft:#123a2c;--danger:#ff6b6b;--warn:#ffc02d;--user-bubble:#1f2a25;--code:#0b0f0d;--shadow:0 12px 40px rgba(0,0,0,.5);--radius:14px;color-scheme:dark}
[data-theme=light]{--bg:#f6f8f7;--bg2:#ffffff;--bg3:#eef2f0;--sidebar:#eef1ef;--text:#17212b;--muted:#5f6f68;--line:#dfe6e2;--brand:#1fa476;--brand2:#0c7a54;--brand-soft:#e3f5ee;--danger:#e8242e;--warn:#ffc02d;--user-bubble:#e6f0eb;--code:#0f1512;--shadow:0 12px 40px rgba(0,0,0,.12);color-scheme:light}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}button:disabled{opacity:.45;cursor:default}input,textarea,select{font:inherit;color:inherit}
.boot{display:grid;place-items:center;height:100vh}.boot img{animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.35;transform:scale(.92)}}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);font-weight:600;font-size:14px;text-decoration:none;color:var(--text);transition:.15s}
.btn:hover{background:var(--bg3)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand2);border-color:var(--brand2)}.btn.danger{color:var(--danger)}.btn.sm{padding:6px 10px;font-size:13px}.btn.ghost{border-color:transparent;background:transparent}
.icon-btn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;color:var(--muted)}.icon-btn:hover{background:var(--bg3);color:var(--text)}.icon-btn svg{width:18px;height:18px}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
/* login */
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,var(--brand-soft),transparent),var(--bg)}
.login-card{width:min(440px,100%);background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:36px 32px;text-align:center;box-shadow:var(--shadow)}
.login-logo{height:44px;object-fit:contain;margin-bottom:8px}.login-card h1{font-size:26px;margin:8px 0 6px;letter-spacing:-.4px}.login-sub{color:var(--muted);margin:0 0 22px}
.login-btn{width:100%;justify-content:center;padding:13px;font-size:15px;border-radius:12px}.login-btn img{border-radius:6px;background:#fff}
.login-hint{font-size:13px;color:var(--muted);margin:14px 0 0}.login-error{background:#3a1416;color:#ffbaba;border-radius:10px;padding:10px;font-size:14px}[data-theme=light] .login-error{background:#fde8e8;color:#a1141c}
.login-features{list-style:none;padding:0;margin:22px 0 0;text-align:left;display:grid;gap:8px;font-size:14px;color:var(--muted)}.login-features li::before{content:"✓";color:var(--brand);font-weight:700;margin-right:8px}
.login-footer{position:fixed;bottom:14px;left:0;right:0;text-align:center;font-size:12px;color:var(--muted)}
/* layout */
.app{display:flex;height:100vh;height:100dvh;overflow:hidden}
.sidebar{width:272px;flex-shrink:0;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;transition:margin .2s}.sidebar.collapsed{margin-left:-272px}
.sb-top{display:flex;align-items:center;gap:6px;padding:12px 12px 6px}.sb-top .brand{display:flex;align-items:center;gap:8px;font-weight:700;flex:1;font-size:15px}.sb-top .brand img{width:26px;height:26px;border-radius:7px}
.new-chat{display:flex;align-items:center;gap:10px;margin:6px 12px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);font-weight:600;font-size:14px}.new-chat:hover{background:var(--bg3)}
.sb-search{margin:4px 12px 8px;position:relative}.sb-search input{width:100%;padding:8px 10px 8px 32px;border-radius:9px;border:1px solid var(--line);background:var(--bg2);font-size:13px;outline:none}.sb-search input:focus{border-color:var(--brand)}.sb-search svg{position:absolute;left:10px;top:9px;width:16px;height:16px;color:var(--muted)}
.convs{flex:1;overflow-y:auto;padding:0 8px 10px}.conv-group{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:12px 8px 4px}
.conv{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:9px;font-size:14px;cursor:pointer;position:relative}.conv:hover{background:var(--bg3)}.conv.active{background:var(--bg2);box-shadow:inset 0 0 0 1px var(--line)}.conv .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv .pin{color:var(--brand);width:14px;height:14px}
.conv .more{opacity:0;width:26px;height:26px}.conv:hover .more,.conv.active .more{opacity:1}
.sb-bottom{border-top:1px solid var(--line);padding:8px}.usage-mini{padding:8px 10px;font-size:12px;color:var(--muted)}.usage-mini .bar{height:5px;border-radius:5px;background:var(--line);margin-top:6px;overflow:hidden}.usage-mini .bar i{display:block;height:100%;background:var(--brand);border-radius:5px;transition:width .3s}.usage-mini .bar i.warn{background:var(--warn)}.usage-mini .bar i.over{background:var(--danger)}
.user-btn{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:10px;text-align:left}.user-btn:hover{background:var(--bg3)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;overflow:hidden;flex-shrink:0}.avatar img{width:100%;height:100%;object-fit:cover}
.user-btn .n{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-btn .p{font-size:12px;color:var(--muted)}.plan-badge{font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;background:var(--brand-soft);color:var(--brand2);text-transform:uppercase}
.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.topbar{display:flex;align-items:center;gap:6px;padding:10px 14px;min-height:54px}.topbar .title{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px}
.mode-switch{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg2)}.mode-switch button{padding:6px 12px;font-size:13px;font-weight:600;color:var(--muted);display:flex;gap:6px;align-items:center}.mode-switch button.on{background:var(--brand-soft);color:var(--brand2)}
.announce{background:var(--brand-soft);color:var(--brand2);font-size:13px;padding:8px 16px;text-align:center;border-bottom:1px solid var(--line)}
.thread{flex:1;overflow-y:auto;scroll-behavior:smooth}.thread-inner{max-width:820px;margin:0 auto;padding:12px 20px 40px}
.empty{max-width:820px;margin:0 auto;padding:8vh 20px 20px;text-align:center}.empty h2{font-size:28px;margin:14px 0 6px;letter-spacing:-.5px}.empty p{color:var(--muted);margin:0 0 26px}.empty img{width:56px;height:56px;border-radius:14px}
.suggestions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;text-align:left}.suggestions button{border:1px solid var(--line);background:var(--bg2);border-radius:12px;padding:12px 14px;font-size:14px;transition:.15s}.suggestions button:hover{border-color:var(--brand);background:var(--brand-soft)}.suggestions b{display:block;font-size:13px;color:var(--brand2);margin-bottom:3px}
.msg{display:flex;gap:14px;padding:12px 0;animation:fade .2s}.msg.user{justify-content:flex-end}@keyframes fade{from{opacity:0;transform:translateY(4px)}}
.msg .av{width:30px;height:30px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;background:var(--brand);overflow:hidden}.msg .av img{width:100%;height:100%;object-fit:cover}
.msg .body{min-width:0;max-width:100%}.msg.user .body{background:var(--user-bubble);border-radius:18px 18px 4px 18px;padding:10px 16px;max-width:80%;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.assistant .body{flex:1}.md{overflow-wrap:anywhere}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:.6em 0}.md h1,.md h2,.md h3{margin:1em 0 .4em;line-height:1.3}.md h1{font-size:1.4em}.md h2{font-size:1.25em}.md h3{font-size:1.1em}.md ul,.md ol{padding-left:1.4em;margin:.5em 0}.md li{margin:.2em 0}.md blockquote{margin:.6em 0;padding:.2em 1em;border-left:3px solid var(--brand);color:var(--muted)}
.md table{border-collapse:collapse;margin:.8em 0;display:block;overflow-x:auto;max-width:100%;font-size:14px}.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left}.md th{background:var(--bg3)}
.md code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--bg3);padding:.15em .4em;border-radius:5px}.md pre{margin:.8em 0;border-radius:12px;overflow:hidden;background:var(--code);color:#e6ede9;border:1px solid #223028}.md pre code{display:block;padding:14px;overflow-x:auto;background:none;font-size:13px;line-height:1.5}
.code-head{display:flex;align-items:center;justify-content:space-between;padding:5px 12px;background:#182019;font-size:12px;color:#9fb3aa;font-family:ui-monospace,monospace}.code-head button{color:#cfe3d9;font-size:12px;display:flex;gap:5px;align-items:center;padding:3px 7px;border-radius:6px}.code-head button:hover{background:#243129}
.md img{max-width:100%;border-radius:10px}.md hr{border:0;border-top:1px solid var(--line);margin:1em 0}
.attach-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.attach-row img{width:120px;height:120px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.think{margin:0 0 10px;border:1px solid var(--line);border-radius:10px;background:var(--bg2);font-size:13px}.think summary{padding:8px 12px;cursor:pointer;color:var(--muted);font-weight:600;display:flex;gap:8px;align-items:center;list-style:none}.think summary::-webkit-details-marker{display:none}.think summary .spin{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:rot .8s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}
.think .tbody{padding:0 12px 10px;color:var(--muted);white-space:pre-wrap;max-height:320px;overflow:auto;border-top:1px solid var(--line);padding-top:8px;line-height:1.5}
.cursor::after{content:"";display:inline-block;width:8px;height:15px;background:var(--brand);border-radius:2px;margin-left:2px;vertical-align:-2px;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}
.actions{display:flex;gap:2px;margin-top:6px;opacity:0;transition:.15s;align-items:center}.msg:hover .actions,.msg:last-child .actions{opacity:1}.actions .icon-btn{width:28px;height:28px}.actions .icon-btn svg{width:15px;height:15px}.actions .icon-btn.on{color:var(--brand)}.actions .meta{font-size:11px;color:var(--muted);margin-left:8px}
.msg.user .actions{justify-content:flex-end}
.edit-box textarea{width:100%;min-height:80px;border:1px solid var(--brand);border-radius:12px;padding:10px;background:var(--bg2);resize:vertical;outline:none}.edit-box .row{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
.composer-wrap{padding:0 20px 14px;background:linear-gradient(to top,var(--bg) 70%,transparent)}.composer{max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:18px;background:var(--bg2);box-shadow:0 4px 24px rgba(0,0,0,.06);transition:.15s}.composer:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.composer textarea{width:100%;border:0;background:none;padding:14px 16px 6px;resize:none;outline:none;max-height:240px;font-size:15px;line-height:1.5}
.composer .bar{display:flex;align-items:center;gap:4px;padding:4px 8px 8px}.composer .bar .spacer{flex:1}.composer .hint{font-size:11px;color:var(--muted);margin-right:6px}
.send{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center}.send:hover{background:var(--brand2)}.send.stop{background:var(--text);color:var(--bg)}
.previews{display:flex;gap:8px;padding:10px 12px 0;flex-wrap:wrap}.previews div{position:relative}.previews img{width:64px;height:64px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}.previews button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;background:var(--text);color:var(--bg);font-size:12px;display:grid;place-items:center}
.disclaimer{text-align:center;font-size:11px;color:var(--muted);margin-top:8px}
.mic.on{color:var(--danger);animation:pulse 1s infinite}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:60;box-shadow:var(--shadow);animation:fade .2s}.toast.err{background:var(--danger);color:#fff}
.limit-card{max-width:820px;margin:8px auto;border:1px solid var(--warn);background:#33290f;color:#ffd97a;border-radius:12px;padding:10px 14px;font-size:14px;display:flex;gap:10px;align-items:center}[data-theme=light] .limit-card{background:#fff8e1;color:#6b4d00}
/* menus & modals */
.menu{position:fixed;z-index:70;background:var(--bg2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;min-width:190px;animation:fade .12s}.menu button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:8px;font-size:14px;text-align:left}.menu button:hover{background:var(--bg3)}.menu button.danger{color:var(--danger)}.menu hr{border:0;border-top:1px solid var(--line);margin:5px 0}.menu .mh{padding:6px 10px;font-size:12px;color:var(--muted)}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:80;display:grid;place-items:center;padding:16px;animation:fade .15s}
.modal{background:var(--bg2);border:1px solid var(--line);border-radius:18px;width:min(640px,100%);max-height:92vh;overflow:auto;box-shadow:var(--shadow)}.modal.wide{width:min(1100px,100%)}.modal header{display:flex;align-items:center;gap:8px;padding:16px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg2);z-index:1}.modal header h2{flex:1;margin:0;font-size:17px}.modal .content{padding:18px 20px}
.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}.field .help{font-size:12px;color:var(--muted);margin-top:4px}.field input,.field textarea,.field select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:var(--bg);outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand)}.field textarea{min-height:90px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.switch:last-child{border:0}.switch .l{font-size:14px}.switch .l small{display:block;color:var(--muted);font-size:12px}
.toggle{width:42px;height:24px;border-radius:24px;background:var(--line);position:relative;flex-shrink:0;transition:.15s}.toggle::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.3)}.toggle.on{background:var(--brand)}.toggle.on::after{left:21px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);padding:0 20px;overflow-x:auto}.tabs button{padding:10px 12px;font-size:14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}.tabs button.on{color:var(--brand2);border-color:var(--brand)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:18px}.stat{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--bg)}.stat .v{font-size:22px;font-weight:700;letter-spacing:-.5px}.stat .l{font-size:12px;color:var(--muted)}
table.data{width:100%;border-collapse:collapse;font-size:13px}table.data th,table.data td{padding:8px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;white-space:nowrap}table.data th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}table.data tr:hover td{background:var(--bg3)}table.data td.wrap{white-space:normal}.tscroll{overflow-x:auto}
.chip{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;background:var(--bg3);color:var(--muted)}.chip.ok{background:var(--brand-soft);color:var(--brand2)}.chip.bad{background:#3a1416;color:#ffbaba}.chip.warn{background:#33290f;color:#ffd97a}[data-theme=light] .chip.bad{background:#fde8e8;color:#a1141c}[data-theme=light] .chip.warn{background:#fff3cd;color:#6b4d00}
.usage-block{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}.usage-block .bar{height:8px;border-radius:8px;background:var(--line);overflow:hidden;margin:8px 0 4px}.usage-block .bar i{display:block;height:100%;background:var(--brand)}.usage-block .bar i.warn{background:var(--warn)}.usage-block .bar i.over{background:var(--danger)}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.plan-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--bg)}.plan-card.current{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.plan-card h3{margin:0 0 2px}.plan-card .price{color:var(--brand2);font-weight:700;margin-bottom:8px}.plan-card ul{list-style:none;padding:0;margin:10px 0 0;font-size:13px;color:var(--muted);display:grid;gap:5px}.plan-card li::before{content:"•";color:var(--brand);margin-right:6px}
.kbd{font-family:ui-monospace,monospace;font-size:12px;background:var(--bg3);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.spark{display:flex;align-items:flex-end;gap:2px;height:60px}.spark i{flex:1;background:var(--brand);border-radius:2px 2px 0 0;min-height:2px;opacity:.85}
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}.toolbar input,.toolbar select{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);outline:none}
.mobile-only{display:none}.backdrop{display:none}
/* share page */
.share-page{max-width:820px;margin:0 auto;padding:24px 20px}.share-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}.share-head img{width:36px;height:36px;border-radius:9px}.share-head h1{font-size:20px;margin:0}.share-head p{margin:2px 0 0;font-size:13px;color:var(--muted)}.share-head .btn{margin-left:auto}
.share-card{text-align:center;padding:60px 20px}.share-logo{height:40px;margin-bottom:12px}
@media(max-width:820px){.sidebar{position:fixed;inset:0 auto 0 0;z-index:50;box-shadow:var(--shadow);margin-left:-272px}.sidebar.open{margin-left:0}.sidebar.collapsed{margin-left:-272px}.backdrop.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45}.mobile-only{display:inline-grid}.desktop-only{display:none!important}.msg.user .body{max-width:92%}.thread-inner{padding:8px 12px 30px}.composer-wrap{padding:0 10px 10px}.row2,.row3{grid-template-columns:1fr}.mode-switch button span{display:none}}
/* highlight.js theme (minimal) */
.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-section,.hljs-link{color:#7ee2b8}.hljs-string,.hljs-title,.hljs-name,.hljs-type,.hljs-attribute,.hljs-symbol,.hljs-bullet,.hljs-addition,.hljs-variable,.hljs-template-tag,.hljs-template-variable{color:#ffd97a}.hljs-comment,.hljs-quote,.hljs-deletion,.hljs-meta{color:#8fa99a}.hljs-number,.hljs-regexp,.hljs-built_in,.hljs-attr{color:#9fd3ff}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}