/* ===== Chat — Gemini-style mobile-first UI ===== */
:root{
  --bg:#ffffff; --bg2:#f0f4f9; --bg3:#e9eef6; --surface:#ffffff; --hover:rgba(68,71,70,.08); --press:rgba(68,71,70,.14);
  --text:#1f1f1f; --text2:#444746; --text3:#747775; --line:#e3e3e3; --accent:#0b57d0; --accent2:#d3e3fd; --accent-text:#041e49;
  --danger:#b3261e; --sheet:#ffffff; --scrim:rgba(0,0,0,.32); --shadow:0 2px 6px rgba(0,0,0,.08),0 8px 24px rgba(0,0,0,.08);
  --code:#f6f8fa; --grad-a:#e8f0fe; --grad-b:#ffffff; --grad-c:#d7e6ff;
  --g1:#4285f4; --g2:#9b72cb; --g3:#d96570;
  --r:28px; --sidebar:300px; --maxw:768px;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  --ease:cubic-bezier(.2,0,0,1); --ease-out:cubic-bezier(.05,.7,.1,1);
  font-family:"Google Sans Text","Google Sans",Roboto,system-ui,-apple-system,"Segoe UI","Noto Sans Malayalam","Noto Sans",sans-serif;
  -webkit-tap-highlight-color:transparent;
}
[data-theme=dark]{
  --bg:#0e0e0f; --bg2:#1b1c1d; --bg3:#282a2c; --surface:#1b1c1d; --hover:rgba(227,227,227,.08); --press:rgba(227,227,227,.14);
  --text:#e3e3e3; --text2:#c4c7c5; --text3:#8e918f; --line:#2f3133; --accent:#a8c7fa; --accent2:#0842a0; --accent-text:#d3e3fd;
  --danger:#f2b8b5; --sheet:#1e1f20; --scrim:rgba(0,0,0,.6); --shadow:0 2px 8px rgba(0,0,0,.4),0 12px 32px rgba(0,0,0,.4);
  --code:#161b22; --grad-a:#0e1a33; --grad-b:#0e0e0f; --grad-c:#13284f;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);overscroll-behavior:none}
body{font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
input,textarea,select{font:inherit;color:inherit}
a{color:var(--accent)}
svg{display:block}
.hidden{display:none!important}
::selection{background:var(--accent2)}

/* boot */
.boot{position:fixed;inset:0;display:grid;place-items:center}
.boot-dot{width:42px;height:42px;border-radius:50%;background:conic-gradient(from 0deg,var(--g1),var(--g2),var(--g3),var(--g1));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 0);mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 0);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== icon buttons ===== */
.ib{width:44px;height:44px;border-radius:50%;display:inline-grid;place-items:center;flex:none;position:relative;overflow:hidden;color:var(--text2);transition:background .2s}
.ib:hover{background:var(--hover)} .ib:active{background:var(--press)}
.ib svg{width:24px;height:24px}
.ib.sm{width:36px;height:36px} .ib.sm svg{width:20px;height:20px}
.ripple{position:absolute;border-radius:50%;transform:scale(0);background:currentColor;opacity:.16;animation:ripple .5s var(--ease-out);pointer-events:none}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}

/* ===== layout ===== */
#app{position:fixed;inset:0;display:flex;overflow:hidden}
.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative;background:var(--bg)}
.topbar{height:calc(60px + var(--safe-t));padding:var(--safe-t) 6px 0;display:flex;align-items:center;gap:2px;position:relative;z-index:5;flex:none}
.model-btn{display:flex;align-items:center;gap:2px;height:40px;padding:0 8px 0 10px;border-radius:20px;font-size:18px;font-weight:500;color:var(--text);transition:background .2s}
.model-btn:hover{background:var(--hover)}
.model-btn small{font-size:14px;color:var(--text2);font-weight:500;margin-left:6px}
.model-btn svg{width:20px;height:20px;color:var(--text2);transition:transform .25s var(--ease)}
.model-btn[aria-expanded=true] svg{transform:rotate(180deg)}
.spacer{flex:1}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,#1a73e8,#9b72cb);flex:none;user-select:none}
.avatar.lg{width:72px;height:72px;font-size:28px}
.temp-on .topbar .temp-btn{color:var(--accent);background:var(--accent2)}
.temp-banner{position:absolute;left:50%;top:calc(66px + var(--safe-t));transform:translateX(-50%);font-size:13px;color:var(--text2);
  background:var(--bg2);padding:6px 14px;border-radius:16px;white-space:nowrap;z-index:4;animation:fadeDown .3s var(--ease-out)}

/* ===== home gradient ===== */
.home-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;opacity:0;transition:opacity .6s var(--ease)}
.is-home .home-bg{opacity:1}
.home-bg::before,.home-bg::after{content:"";position:absolute;width:140vmax;height:140vmax;left:50%;top:60%;border-radius:50%;
  background:radial-gradient(closest-side,var(--grad-c),transparent 70%);transform:translate(-50%,-10%);animation:drift 14s ease-in-out infinite alternate}
.home-bg::after{width:90vmax;height:90vmax;top:85%;background:radial-gradient(closest-side,var(--grad-a),transparent 70%);animation-duration:18s;animation-direction:alternate-reverse}
@keyframes drift{0%{transform:translate(-55%,-12%) scale(1)}50%{transform:translate(-45%,-6%) scale(1.08)}100%{transform:translate(-50%,-16%) scale(.96)}}

/* ===== conversation ===== */
.scroller{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;z-index:1;scroll-behavior:smooth;overscroll-behavior:contain}
#thread{min-height:100%;display:flex;flex-direction:column}
.thread{width:100%;max-width:var(--maxw);margin:0 auto;padding:8px 16px 24px}
.greet{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;flex:1;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:6vh}
.greet h1{margin:0;font-size:clamp(30px,8vw,44px);line-height:1.15;font-weight:500;letter-spacing:-.5px}
.greet h1 .hi{background:linear-gradient(74deg,var(--g1) 0,var(--g2) 9%,var(--g3) 20%,var(--g3) 24%,var(--g2) 35%,var(--g1) 44%,var(--g2) 50%,var(--g3) 56%,var(--bg) 75%,var(--bg) 100%);
  background-size:400% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:greetGrad 2.4s var(--ease) forwards}
.greet h1 .sub{display:block;color:var(--text3);animation:fadeUp .7s .35s var(--ease-out) both}
@keyframes greetGrad{from{background-position:100% 0}to{background-position:0 0}}
.greet .gem-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;animation:fadeUp .5s var(--ease-out) both}
.greet .gem-head .gi{font-size:30px;width:52px;height:52px;border-radius:16px;background:var(--bg2);display:grid;place-items:center}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.chip{padding:10px 16px;border-radius:12px;background:var(--bg2);color:var(--text);font-size:14px;transition:background .2s,transform .2s;animation:fadeUp .5s var(--ease-out) both}
.chip:hover{background:var(--bg3)} .chip:active{transform:scale(.97)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fadeDown{from{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.msg{margin:22px 0;animation:fadeUp .35s var(--ease-out) both}
.msg.user{display:flex;flex-direction:column;align-items:flex-end}
.bubble{background:var(--bg3);padding:12px 18px;border-radius:24px 6px 24px 24px;max-width:85%;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.u-actions{display:flex;gap:2px;opacity:0;transition:opacity .2s;margin-top:2px}
.msg.user:hover .u-actions,.msg.user:focus-within .u-actions{opacity:1}
@media (hover:none){.u-actions{opacity:1}}
.edit-box{width:100%;background:var(--bg2);border-radius:24px;padding:14px 18px}
.edit-box textarea{width:100%;border:0;background:none;resize:none;outline:none;min-height:60px;font-size:16px}
.edit-box .row{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}

.atts{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;margin-bottom:8px;max-width:90%}
.att-img{width:120px;height:120px;border-radius:16px;object-fit:cover;background:var(--bg2);cursor:zoom-in;transition:transform .2s}
.att-img:active{transform:scale(.97)}
.att-video{max-width:min(320px,85vw);border-radius:16px;background:#000}
.att-audio{width:min(300px,80vw)}
.file-chip{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:16px;background:var(--bg2);max-width:260px;text-align:left;cursor:pointer}
.file-chip .fi{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--accent2);color:var(--accent-text);font-size:11px;font-weight:700;flex:none}
.file-chip .fn{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-chip .fs{font-size:12px;color:var(--text3)}

.msg.model{position:relative}
.m-status{display:flex;align-items:center;gap:10px;color:var(--text2);font-size:15px;min-height:28px}
.spark{width:24px;height:24px;flex:none}
.spark.spin{animation:sparkSpin 1.6s var(--ease) infinite}
@keyframes sparkSpin{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(.82)}100%{transform:rotate(360deg) scale(1)}}
.shimmer{background:linear-gradient(90deg,var(--text3) 0%,var(--text) 40%,var(--text3) 80%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shim 1.6s linear infinite}
@keyframes shim{from{background-position:100% 0}to{background-position:-100% 0}}
.thinking{margin:0 0 10px}
.thinking>button{display:inline-flex;align-items:center;gap:6px;color:var(--text2);font-size:14px;padding:6px 12px 6px 8px;border-radius:16px;background:var(--bg2)}
.thinking>button svg{width:18px;height:18px;transition:transform .25s}
.thinking.open>button svg{transform:rotate(180deg)}
.thinking .tbody{display:none;margin-top:10px;padding:4px 0 4px 16px;border-left:2px solid var(--line);color:var(--text2);font-size:14px}
.thinking.open .tbody{display:block;animation:fadeIn .25s}

/* markdown */
.md{word-wrap:break-word;overflow-wrap:anywhere}
.md>*:first-child{margin-top:0}.md>*:last-child{margin-bottom:0}
.md p{margin:0 0 14px}
.md h1,.md h2,.md h3,.md h4{line-height:1.3;margin:22px 0 10px;font-weight:600}
.md h1{font-size:24px}.md h2{font-size:21px}.md h3{font-size:18px}.md h4{font-size:16px}
.md ul,.md ol{padding-left:24px;margin:0 0 14px}.md li{margin:5px 0}.md li>p{margin:0 0 6px}
.md blockquote{margin:0 0 14px;padding:4px 16px;border-left:3px solid var(--line);color:var(--text2)}
.md hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.md a{text-decoration:none}.md a:hover{text-decoration:underline}
.md img{max-width:100%;border-radius:12px}
.md code{font-family:"Google Sans Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
.md :not(pre)>code{background:var(--bg2);padding:2px 6px;border-radius:6px}
.md table{border-collapse:collapse;width:100%;font-size:14px}
.tbl{overflow-x:auto;margin:0 0 14px;border:1px solid var(--line);border-radius:12px}
.md th,.md td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.md th{background:var(--bg2);font-weight:600}.md tr:last-child td{border-bottom:0}
.codeblock{margin:0 0 16px;border-radius:16px;background:var(--code);overflow:hidden;border:1px solid var(--line)}
.codeblock .ch{display:flex;align-items:center;gap:4px;padding:4px 6px 4px 16px;font-size:13px;color:var(--text2);border-bottom:1px solid var(--line)}
.codeblock .ch span{flex:1}
.codeblock .ch button{font-size:13px;padding:6px 10px;border-radius:14px;display:inline-flex;gap:6px;align-items:center}
.codeblock .ch button:hover{background:var(--hover)}
.codeblock .ch button svg{width:16px;height:16px}
.codeblock pre{margin:0;padding:14px 16px;overflow-x:auto;line-height:1.5}
.codeblock pre code.hljs{background:none;padding:0}
.katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}
.cursor::after{content:"";display:inline-block;width:8px;height:8px;margin-left:4px;border-radius:50%;background:var(--g1);vertical-align:middle;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25;transform:scale(.7)}}

.gen-images{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;margin:6px 0 12px}
.gen-images img{width:100%;border-radius:16px;cursor:zoom-in;background:var(--bg2);animation:imgIn .6s var(--ease-out) both}
@keyframes imgIn{from{opacity:0;filter:blur(16px);transform:scale(.98)}to{opacity:1;filter:none;transform:none}}
.img-skel{aspect-ratio:1;border-radius:16px;background:linear-gradient(110deg,var(--bg2) 30%,var(--bg3) 50%,var(--bg2) 70%);background-size:200% 100%;animation:shim 1.4s linear infinite}

.sources{margin:6px 0 4px}
.sources .sh{font-size:13px;color:var(--text2);margin-bottom:8px}
.src-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.src-row::-webkit-scrollbar{display:none}
.src{flex:none;width:180px;padding:10px 12px;border-radius:14px;background:var(--bg2);text-decoration:none!important;color:var(--text);font-size:13px;line-height:1.35}
.src b{display:block;font-weight:500;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.src i{font-style:normal;color:var(--text3);font-size:12px;display:block;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.queries{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.queries span{font-size:12px;padding:4px 10px;border-radius:12px;border:1px solid var(--line);color:var(--text2)}
.m-actions{display:flex;align-items:center;gap:0;margin:4px 0 0 -10px;flex-wrap:wrap}
.m-actions .ib{color:var(--text2)}
.m-actions .ib.on{color:var(--accent)}
.disclaim{font-size:12px;color:var(--text3);margin-top:2px}
.err{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent);padding:12px 16px;border-radius:16px;font-size:14px}
.mem-note{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text2);background:var(--bg2);padding:6px 12px;border-radius:14px;margin:6px 0}

.jump{position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%) scale(.8);opacity:0;pointer-events:none;
  width:40px;height:40px;border-radius:50%;background:var(--surface);box-shadow:var(--shadow);display:grid;place-items:center;transition:all .25s var(--ease)}
.jump.show{opacity:1;transform:translateX(-50%) scale(1);pointer-events:auto}
.jump svg{width:22px;height:22px}

/* ===== composer ===== */
.composer-wrap{flex:none;position:relative;z-index:3;padding:0 12px calc(10px + var(--safe-b))}
.composer{max-width:var(--maxw);margin:0 auto;background:var(--bg2);border-radius:var(--r);padding:6px 6px 6px 6px;
  transition:box-shadow .25s var(--ease),background .25s;position:relative}
.is-home .composer{background:var(--surface);box-shadow:var(--shadow)}
[data-theme=dark] .is-home .composer{background:var(--bg2)}
.composer.drag{outline:2px dashed var(--accent);outline-offset:2px}
.c-files{display:flex;gap:8px;overflow-x:auto;padding:6px 6px 8px;scrollbar-width:none}
.c-files:empty{display:none}
.c-file{position:relative;flex:none;animation:fadeUp .25s var(--ease-out)}
.c-file img,.c-file .ph{width:64px;height:64px;border-radius:14px;object-fit:cover;background:var(--bg3);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--text2);text-align:center;padding:4px;overflow:hidden}
.c-file .x{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;background:var(--text);color:var(--bg);display:grid;place-items:center}
.c-file .x svg{width:14px;height:14px}
.c-file.loading::after{content:"";position:absolute;inset:0;border-radius:14px;background:rgba(0,0,0,.35) url() center no-repeat}
.c-file.loading .spin{position:absolute;inset:0;margin:auto;width:22px;height:22px;border:2.5px solid #fff;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite;z-index:1}
.c-row{display:flex;align-items:flex-end;gap:2px}
.c-input{flex:1;min-width:0;border:0;outline:0;background:none;resize:none;font-size:16px;line-height:24px;padding:10px 6px;max-height:40vh;color:var(--text)}
.c-input::placeholder{color:var(--text3)}
.c-tools{display:flex;gap:6px;padding:0 6px 4px;flex-wrap:wrap}
.c-tools:empty{display:none}
.tool-pill{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 8px 0 12px;border-radius:16px;background:var(--accent2);color:var(--accent-text);font-size:13px;font-weight:500;animation:fadeUp .2s var(--ease-out)}
.tool-pill svg{width:16px;height:16px}
.send{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;transition:transform .2s var(--ease),background .2s,color .2s}
.send svg{width:24px;height:24px}
.send.ready{background:var(--accent2);color:var(--accent-text)}
.send.ready:active{transform:scale(.9)}
.send.stop{background:var(--text);color:var(--bg)}
.send.stop svg{width:18px;height:18px}
.mic.listening{color:#fff;background:var(--danger);animation:micPulse 1.2s infinite}
@keyframes micPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--danger) 50%,transparent)}100%{box-shadow:0 0 0 14px transparent}}

/* ===== sidebar ===== */
.sidebar{width:var(--sidebar);flex:none;background:var(--bg2);display:flex;flex-direction:column;padding-top:var(--safe-t);transition:margin .3s var(--ease),transform .3s var(--ease);z-index:20;height:100%}
.sb-head{height:60px;display:flex;align-items:center;padding:0 8px;gap:4px;flex:none}
.sb-scroll{flex:1;overflow-y:auto;padding:0 12px 12px;overscroll-behavior:contain}
.nav{display:flex;align-items:center;gap:14px;height:44px;padding:0 14px;border-radius:22px;width:100%;text-align:left;font-size:15px;color:var(--text);transition:background .2s;position:relative;overflow:hidden}
.nav:hover{background:var(--hover)} .nav.active{background:var(--accent2);color:var(--accent-text);font-weight:500}
.nav svg{width:22px;height:22px;color:var(--text2);flex:none}
.nav.active svg{color:var(--accent-text)}
.nav .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-sec{font-size:14px;font-weight:500;color:var(--text);padding:18px 14px 6px;display:flex;align-items:center}
.sb-sec span{flex:1}
.chat-item{display:flex;align-items:center;height:42px;border-radius:21px;padding:0 4px 0 14px;font-size:14px;gap:6px;cursor:pointer;transition:background .2s;color:var(--text)}
.chat-item:hover{background:var(--hover)}
.chat-item.active{background:var(--accent2);color:var(--accent-text);font-weight:500}
.chat-item .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-item .pin{width:16px;height:16px;color:var(--text3);flex:none}
.chat-item .more{opacity:0;transition:opacity .15s}
.chat-item:hover .more,.chat-item.active .more{opacity:1}
@media (hover:none){.chat-item .more{opacity:.7}}
.sb-foot{flex:none;padding:8px 12px calc(10px + var(--safe-b));display:flex;align-items:center;gap:10px;border-top:1px solid var(--line)}
.sb-foot .who{flex:1;min-width:0;display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:24px}
.sb-foot .who:hover{background:var(--hover)}
.sb-foot .nm{font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-foot .ph{font-size:12px;color:var(--text3)}
.sb-search{display:flex;align-items:center;gap:8px;background:var(--bg);border-radius:24px;padding:0 6px 0 14px;height:44px;margin:4px 0 8px;animation:fadeIn .2s}
.sb-search input{flex:1;border:0;outline:0;background:none;font-size:15px;min-width:0}
.empty-note{color:var(--text3);font-size:13px;padding:8px 14px}
.scrim{position:fixed;inset:0;background:var(--scrim);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:15}

@media (min-width:960px){
  .app-collapsed .sidebar{margin-left:calc(-1 * var(--sidebar))}
  .menu-mobile{display:none!important}
}
@media (max-width:959px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:min(86vw,var(--sidebar));transform:translateX(-102%);box-shadow:none;border-radius:0 24px 24px 0}
  .drawer-open .sidebar{transform:none;box-shadow:var(--shadow)}
  .drawer-open .scrim{opacity:1;pointer-events:auto}
  .menu-desktop{display:none!important}
}

/* ===== sheets & dialogs ===== */
.sheet-host{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;justify-content:center}
.sheet-host .bd{position:absolute;inset:0;background:var(--scrim);animation:fadeIn .25s var(--ease)}
.sheet{position:relative;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;background:var(--sheet);border-radius:28px 28px 0 0;
  padding:8px 16px calc(16px + var(--safe-b));animation:sheetUp .35s var(--ease-out);overscroll-behavior:contain}
.sheet.closing{animation:sheetDown .22s var(--ease) forwards}.sheet-host.closing .bd{animation:fadeIn .22s reverse forwards}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:none}}
@keyframes sheetDown{to{transform:translateY(100%)}}
.grab{width:32px;height:4px;border-radius:2px;background:var(--text3);opacity:.5;margin:6px auto 12px}
@media (min-width:700px){
  .sheet-host{align-items:center}
  .sheet{border-radius:28px;animation:pop .28s var(--ease-out);padding-bottom:16px}
  .sheet.closing{animation:pop .18s reverse forwards}
  .grab{display:none}
}
@keyframes pop{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.sheet h3{margin:6px 6px 14px;font-size:20px;font-weight:500}
.sheet .sub{color:var(--text2);font-size:14px;margin:-8px 6px 14px}
.opt{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:12px 14px;border-radius:16px;transition:background .2s;position:relative;overflow:hidden}
.opt:hover{background:var(--hover)}
.opt svg{width:24px;height:24px;color:var(--text2);flex:none}
.opt .ot{flex:1;min-width:0}
.opt .ot b{display:block;font-weight:500;font-size:15px}
.opt .ot i{display:block;font-style:normal;font-size:13px;color:var(--text2);line-height:1.35}
.opt .ck{color:var(--accent)}
.opt.sel{background:var(--accent2)} .opt.sel .ot b{color:var(--accent-text)}
.opt.danger,.opt.danger svg{color:var(--danger)}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}
.tile{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border-radius:20px;background:var(--bg2);font-size:13px;transition:background .2s,transform .15s}
.tile:active{transform:scale(.96)} .tile:hover{background:var(--bg3)}
.tile svg{width:26px;height:26px;color:var(--accent)}
.sep{height:1px;background:var(--line);margin:8px 6px}
.switch{width:52px;height:32px;border-radius:16px;background:var(--bg3);border:2px solid var(--text3);position:relative;flex:none;transition:all .2s}
.switch::after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:var(--text3);top:6px;left:6px;transition:all .25s var(--ease)}
.switch.on{background:var(--accent);border-color:var(--accent)}
.switch.on::after{width:24px;height:24px;top:2px;left:22px;background:var(--bg)}

.field{display:block;margin:0 0 14px}
.field span{display:block;font-size:13px;color:var(--text2);margin:0 0 6px 4px}
.field input,.field textarea,.field select{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--bg);outline:none;font-size:16px;transition:border .2s}
.field input:focus,.field textarea:focus{border-color:var(--accent);border-width:2px;padding:13px 15px}
.field textarea{min-height:140px;resize:vertical}
.btn{height:44px;padding:0 22px;border-radius:22px;font-weight:500;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .2s,transform .1s;position:relative;overflow:hidden}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--bg)}
[data-theme=dark] .btn.primary{color:#062e6f}
.btn.tonal{background:var(--accent2);color:var(--accent-text)}
.btn.text{color:var(--accent)} .btn.text:hover{background:var(--hover)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.row-end{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}

/* ===== full pages (settings, images, library, gems) ===== */
.page{position:fixed;inset:0;z-index:30;background:var(--bg);display:flex;flex-direction:column;animation:pageIn .32s var(--ease-out)}
.page.closing{animation:pageOut .22s var(--ease) forwards}
@keyframes pageIn{from{transform:translateX(24px);opacity:0}to{transform:none;opacity:1}}
@keyframes pageOut{to{transform:translateX(24px);opacity:0}}
.page-head{height:calc(60px + var(--safe-t));padding:var(--safe-t) 6px 0;display:flex;align-items:center;gap:4px;flex:none}
.page-head h2{margin:0;font-size:20px;font-weight:500;flex:1}
.page-body{flex:1;overflow-y:auto;padding:4px 16px calc(24px + var(--safe-b))}
.page-inner{max-width:680px;margin:0 auto}
.set-group{margin:10px 0 18px}
.set-group h4{margin:0 0 6px 14px;font-size:14px;font-weight:500;color:var(--accent)}
.set-card{background:var(--bg2);border-radius:24px;overflow:hidden}
.set-card .opt{border-radius:0}
.set-card .opt+.opt{border-top:1px solid var(--line)}
.profile-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 0 20px}
.profile-card .nm{font-size:22px}
.profile-card .ph{color:var(--text2);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
.grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;cursor:zoom-in;background:var(--bg2);animation:fadeIn .4s}
.lib-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:16px;cursor:pointer}
.lib-item:hover{background:var(--hover)}
.lib-item .thumb{width:52px;height:52px;border-radius:12px;object-fit:cover;background:var(--bg2);display:grid;place-items:center;flex:none;font-size:11px;font-weight:700;color:var(--text2)}
.lib-item .meta{flex:1;min-width:0}
.lib-item .meta b{display:block;font-weight:500;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-item .meta i{font-style:normal;font-size:12px;color:var(--text3)}
.gem-card{display:flex;gap:14px;align-items:center;padding:14px;border-radius:20px;background:var(--bg2);margin-bottom:8px;cursor:pointer;transition:background .2s}
.gem-card:hover{background:var(--bg3)}
.gem-card .gi{font-size:26px;width:48px;height:48px;border-radius:14px;background:var(--bg);display:grid;place-items:center;flex:none}
.gem-card .meta{flex:1;min-width:0}
.gem-card b{display:block;font-weight:500}
.gem-card i{font-style:normal;font-size:13px;color:var(--text2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.usage-table{width:100%;border-collapse:collapse;font-size:14px}
.usage-table td,.usage-table th{padding:10px;border-bottom:1px solid var(--line);text-align:right}
.usage-table td:first-child,.usage-table th:first-child{text-align:left}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat{background:var(--bg2);border-radius:18px;padding:14px}
.stat b{display:block;font-size:22px;font-weight:500}
.stat i{font-style:normal;font-size:12px;color:var(--text2)}

/* ===== viewer (images / pdf / text) ===== */
.viewer{position:fixed;inset:0;z-index:60;background:#000;display:flex;flex-direction:column;animation:fadeIn .2s;color:#fff}
.viewer .vh{display:flex;align-items:center;padding:calc(6px + var(--safe-t)) 6px 6px;gap:4px;flex:none}
.viewer .vh .ib{color:#fff}
.viewer .vh .vt{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.85}
.viewer .vb{flex:1;display:grid;place-items:center;overflow:hidden;touch-action:none;padding-bottom:var(--safe-b)}
.viewer img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .15s;user-select:none;-webkit-user-drag:none;animation:pop .25s var(--ease-out)}
.viewer iframe,.viewer .txt{width:100%;height:100%;border:0;background:#fff}
.viewer .txt{background:var(--bg);color:var(--text);overflow:auto;padding:16px;white-space:pre-wrap;font-family:ui-monospace,monospace;font-size:13px;margin:0}
.viewer video{max-width:100%;max-height:100%}

/* ===== canvas panel ===== */
.canvas{position:fixed;z-index:35;background:var(--bg);display:flex;flex-direction:column;inset:0;animation:sheetUp .35s var(--ease-out)}
@media (min-width:1100px){.canvas{left:auto;width:min(52vw,820px);border-left:1px solid var(--line);animation:pageIn .3s var(--ease-out)}}
.canvas .page-head h2{font-size:17px}
.seg{display:inline-flex;background:var(--bg2);border-radius:20px;padding:3px}
.seg button{height:34px;padding:0 14px;border-radius:17px;font-size:13px;font-weight:500;color:var(--text2)}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.12)}
[data-theme=dark] .seg button.on{background:var(--bg3)}
.canvas .cbody{flex:1;overflow:hidden;position:relative}
.canvas iframe{width:100%;height:100%;border:0;background:#fff}
.canvas pre{margin:0;height:100%;overflow:auto;padding:16px;background:var(--code);font-size:13px}

/* ===== auth ===== */
.auth{position:fixed;inset:0;overflow-y:auto;display:flex;align-items:center;justify-content:center;padding:24px 20px calc(24px + var(--safe-b))}
.auth .home-bg{opacity:1}
.auth-card{position:relative;width:100%;max-width:400px;animation:fadeUp .5s var(--ease-out)}
.auth-card h1{font-size:34px;font-weight:500;margin:0 0 6px;letter-spacing:-.5px}
.auth-card h1 .hi{background:linear-gradient(74deg,var(--g1),var(--g2) 45%,var(--g3));-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-card p.lead{color:var(--text2);margin:0 0 26px}
.auth-card .box{background:var(--surface);border-radius:28px;padding:22px 18px;box-shadow:var(--shadow)}
[data-theme=dark] .auth-card .box{background:var(--bg2)}
.otp-inputs{display:flex;gap:8px;justify-content:space-between;margin:4px 0 16px}
.otp-inputs input{width:100%;max-width:52px;height:58px;text-align:center;font-size:24px;border-radius:14px;border:1px solid var(--line);background:var(--bg);outline:none}
.otp-inputs input:focus{border:2px solid var(--accent)}
.auth .links{display:flex;justify-content:space-between;margin-top:12px;gap:4px}
.auth .links .btn{padding:0 10px;white-space:nowrap;font-size:14px}
.form-err{color:var(--danger);font-size:14px;margin:-4px 4px 12px;min-height:0}
.wa-note{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--text2);margin:0 4px 14px}
.wa-note svg{width:22px;height:22px;color:#25d366;flex:none}

/* ===== toast ===== */
.toast{position:fixed;left:50%;bottom:calc(96px + var(--safe-b));transform:translateX(-50%);background:var(--text);color:var(--bg);padding:12px 20px;border-radius:12px;font-size:14px;z-index:90;
  box-shadow:var(--shadow);animation:toastIn .3s var(--ease-out);max-width:calc(100vw - 32px)}
.toast.out{animation:toastIn .2s reverse forwards}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%,0)}}
.menu-pop{position:fixed;z-index:70;background:var(--sheet);border-radius:16px;box-shadow:var(--shadow);padding:6px;min-width:200px;animation:pop .18s var(--ease-out);transform-origin:top right}
.menu-pop .opt{padding:10px 14px;gap:14px;font-size:14px}
.menu-pop .opt svg{width:20px;height:20px}

/* ===== live (voice conversation) ===== */
.live{position:fixed;inset:0;z-index:50;background:#000;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:calc(20px + var(--safe-t)) 20px calc(30px + var(--safe-b));animation:fadeIn .3s}
.live .orb{width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#8ab4f8,#4285f4 40%,#9b72cb 70%,#d96570);filter:blur(2px);animation:orb 3s ease-in-out infinite}
.live.listening .orb{animation:orb 1.2s ease-in-out infinite}
.live.speaking .orb{animation:orbTalk .5s ease-in-out infinite alternate}
@keyframes orb{50%{transform:scale(1.08);filter:blur(6px)}}
@keyframes orbTalk{from{transform:scale(.95)}to{transform:scale(1.12)}}
.live .lt{font-size:18px;text-align:center;min-height:56px;max-width:600px;opacity:.9}
.live .lc{display:flex;gap:24px}
.live .lc button{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#2a2a2a;color:#fff}
.live .lc button.end{background:#d93025}
.live .lc svg{width:28px;height:28px}

@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}

.usage-wrap{overflow-x:auto}