:root{--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-serif:Georgia,'Times New Roman',serif;--font-mono:ui-monospace,'SF Mono','Cascadia Code',Consolas,monospace;--fast:150ms cubic-bezier(.4,0,.2,1);--base:250ms cubic-bezier(.4,0,.2,1);--spring:400ms cubic-bezier(.34,1.3,.64,1);--r:10px;--r-lg:18px;--r-xl:24px;--bg:#191918;--bg2:#232322;--bg3:#2e2e2c;--bg4:#232322;--bg-elev:#26262a;--t1:#f2f2ee;--t2:#b5afa2;--t3:#8a8478;--t4:#6b665c;--border:#33332f;--border-strong:#454540;--bh:#c8a06c;--msg-user:#2a2a28;--msg-ai:transparent;--sidebar-w:300px;--accent:#c8a06c;--accent2:#e0c196;--accent-soft:rgba(200,160,108,.14);--shadow-1:0 1px 2px rgba(0,0,0,.18),0 1px 6px rgba(0,0,0,.10);--shadow-2:0 4px 14px rgba(0,0,0,.20),0 2px 4px rgba(0,0,0,.12);--shadow-3:0 16px 48px rgba(0,0,0,.32),0 4px 12px rgba(0,0,0,.18);--shadow:var(--shadow-2);--edge:rgba(200,160,108,.12);--mode-bal:#5b8def;--mode-cr:#e8856b;--mode-pr:#5bc0a4;--tap:44px;--motion-scale:1;--header-h:56px}
/* Density variants — apply via body[data-density] */
body[data-density="compact"]{--tap:38px;--r:8px;--r-lg:14px}
body[data-density="compact"] .message__content{font-size:13.5px;line-height:1.5;padding:4px 2px}
body[data-density="compact"] .message--user .message__content{padding:8px 13px}
body[data-density="compact"] .composer-input{font-size:14px}
body[data-density="compact"] .sidebar__item{padding:7px 10px;font-size:11px}
body[data-density="spacious"]{--tap:48px;--r:12px;--r-lg:22px}
body[data-density="spacious"] .message__content{font-size:16px;line-height:1.72;padding:4px 2px}
body[data-density="spacious"] .message--user .message__content{padding:12px 18px}
body[data-density="spacious"] .sidebar__item{padding:12px 14px}
/* Font size variants */
body[data-font-size="small"]{font-size:13px}
body[data-font-size="small"] .message__content{font-size:13px}
body[data-font-size="large"]{font-size:15px}
body[data-font-size="large"] .message__content{font-size:15px}
/* Reduced motion override */
:root{--motion-scale:1}
@media(prefers-reduced-motion:reduce){:root{--motion-scale:0}}
body[data-motion="reduced"]{--motion-scale:0}
/* Offline state — visual treatment for disconnected network */
body.is-offline::before{content:'';position:fixed;top:0;left:0;right:0;height:3px;background:repeating-linear-gradient(45deg,#e8856b,#e8856b 10px,#2c2c2a 10px,#2c2c2a 20px);z-index:9999;animation:offlinePulse 1.5s linear infinite;pointer-events:none}
body.is-offline .composer-input{opacity:.85}
@keyframes offlinePulse{from{background-position:0 0}to{background-position:40px 0}}
/* Reduced motion: disable offline bar animation */
@media(prefers-reduced-motion:reduce){body.is-offline::before{animation:none}}
/* Rate limit banner — blocks send, shows countdown */
.rate-limit-banner{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:9998;display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--bg2);border:1px solid #e8856b;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.3);color:var(--t1);font-size:12px;animation:rateLimitSlide .3s ease}
.rate-limit-banner svg{flex-shrink:0;color:#e8856b}
.rate-limit-banner__text{display:flex;flex-direction:column;line-height:1.3}
.rate-limit-banner__text strong{font-weight:700;font-size:13px}
.rate-limit-banner__countdown{font-size:11px;color:#e8856b;font-family:var(--font-mono);font-weight:600;margin-top:2px}
@keyframes rateLimitSlide{from{opacity:0;transform:translate(-50%,-12px)}to{opacity:1;transform:translate(-50%,0)}}
@media(prefers-reduced-motion:reduce){.rate-limit-banner{animation:none}}
[data-theme="light"]{
  --bg:#f7f5f1;
  --bg2:#efebe4;
  --bg3:#e4dfd5;
  --bg4:#efebe4;
  --bg-elev:#ffffff;
  --t1:#1c1a17;
  --t2:#4c463e;
  --t3:#77705f;
  --t4:#98917f;
  --border:#ddd6c9;
  --border-strong:#c8bfae;
  --bh:#7a5c30;
  --msg-user:#ffffff;
  --msg-ai:transparent;
  --accent:#8a6224;
  --accent2:#a67c3a;
  --accent-soft:rgba(138,98,36,.10);
  --shadow-1:0 1px 2px rgba(60,50,30,.06),0 1px 5px rgba(60,50,30,.05);
  --shadow-2:0 4px 14px rgba(60,50,30,.08),0 2px 4px rgba(60,50,30,.05);
  --shadow-3:0 16px 48px rgba(60,50,30,.14),0 4px 12px rgba(60,50,30,.08);
  --shadow:var(--shadow-2);
  --edge:rgba(160,120,48,.08);
  --mode-bal:#3b6dc8;
  --mode-cr:#c85a40;
  --mode-pr:#3a9a70;
}
[data-theme="light"] .message--user .message__content{background:var(--msg-user);border:1px solid var(--border);color:#1a1816}
[data-theme="light"] .message--ai .message__content{background:var(--msg-ai);border:1px solid transparent}
[data-theme="light"] .message__content pre{background:#eae5da;border-color:#d0c8b8}
[data-theme="light"] .message__content code{background:#e8e2d6;color:#5a4a30}
[data-theme="light"] .composer-box{box-shadow:var(--shadow-1);background:var(--bg-elev)}
[data-theme="light"] .composer-box:focus-within{box-shadow:var(--shadow-2),0 0 0 3px var(--accent-soft)}
[data-theme="light"] .sidebar__item__initial{color:#fff}
[data-theme="light"] .runtime-dot.online{background:#2a8a5a}
[data-theme="light"] .runtime-dot.offline{background:#c04030}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){.bounce-dot{animation:bounceDot 1.2s ease-in-out infinite!important}.typewriter-cursor{animation:cursorBlink .8s step-end infinite!important}.pulse-dot{animation:bounceDot 1.2s ease-in-out infinite!important}.v-laser,.v-laser::after{animation:laserScroll 2.5s linear infinite!important}}
/* Accessibility: skip-to-content + screen-reader-only */
.skip-to-content{position:absolute;left:-9999px;top:0;background:var(--accent);color:#18130f;padding:10px 16px;border-radius:6px;font-size:13px;font-weight:700;z-index:9999;transition:left .15s}
.skip-to-content:focus{left:8px;top:8px;outline:3px solid var(--t1)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Enhanced focus visible for keyboard users */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button:focus-visible,a:focus-visible{outline-offset:2px}
/* High-contrast support */
@media(prefers-contrast:more){:root{--border:#6a6255;--t3:#d8d2c5;--t4:#b8b0a0}}
body{font-family:var(--font-sans);font-size:14px;line-height:1.58;color:var(--t1);background:var(--bg);display:flex;-webkit-font-smoothing:antialiased;position:relative;animation:appIn .35s ease}
@keyframes appIn{from{opacity:0}to{opacity:1}}
/* Print — clean conversation export */
@media print{
  .sidebar,.chat-header,.chat-composer,.status-bar,.workspace-canvas,.message__actions,.message__ts,.scroll-resume-btn,#scroll-resume-btn,.sidebar-overlay,.skip-to-content{display:none!important}
  html,body{overflow:visible!important;height:auto!important;background:#fff!important;color:#111!important}
  .chat-messages{overflow:visible!important;max-width:100%!important;padding:0!important}
  .message{animation:none!important;page-break-inside:avoid}
  .message__content{color:#111!important}
  .message__content pre{white-space:pre-wrap;border:1px solid #ddd;background:#f7f7f7!important}
  .message__content a{color:#0b5394!important}
}
html{scrollbar-width:thin;scrollbar-color:rgba(200,160,108,.45) transparent}
::selection{background:rgba(200,160,108,.32);color:var(--t1)}
[data-theme="light"] ::selection{background:rgba(138,98,36,.22)}
/* Tabular numerals — timestamps & counters never jitter */
.message__ts,.msg-tokens,.status-bar,.sidebar__item__meta,.composer-footer__char,.cmd-item-key,.welcome__ops-item,.runtime-chip,.sidebar__item__count{font-variant-numeric:tabular-nums}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:rgba(200,160,108,.25);border:2px solid transparent;background-clip:padding-box;border-radius:999px}
*::-webkit-scrollbar-thumb:hover{background:rgba(200,160,108,.40);border:2px solid transparent;background-clip:padding-box}
*::-webkit-scrollbar-corner{background:transparent}
a{color:var(--t2);text-decoration:none}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
textarea.composer-input:focus-visible{outline:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font-family:inherit;background:none;border:none;outline:none;color:inherit}
/* Cursor-follow functional tooltip */
#cursor-tooltip{
  position:fixed;
  left:0;
  top:0;
  transform:translate(-9999px,-9999px);
  background:linear-gradient(180deg,var(--bg2),var(--bg4));
  color:var(--t2);
  border:1px solid var(--border);
  border-radius:10px;
  font-size:10px;
  line-height:1.35;
  padding:6px 8px;
  font-family:var(--font-sans);
  max-width:min(260px,62vw);
  pointer-events:none;
  z-index:300;
  box-shadow:0 10px 26px rgba(0,0,0,.30);
  opacity:0;
  transition:opacity var(--fast);
}
#cursor-tooltip.visible{opacity:1}
/* SMAR icon slime bounce */
.chat-header__logo{animation:slimeBounce 4s ease-in-out infinite;transform-origin:center bottom}
@keyframes slimeBounce{
  0%,100%{transform:scale(1) translateY(0) rotate(0deg)}
  8%{transform:scale(1.08,.92) translateY(-1px) rotate(-1deg)}
  16%{transform:scale(.95,1.06) translateY(1px) rotate(.5deg)}
  24%{transform:scale(1.04,.97) translateY(-1px) rotate(-.5deg)}
  32%{transform:scale(.98,1.02) translateY(0) rotate(0deg)}
  50%{transform:scale(1) translateY(0) rotate(0deg)}
  58%{transform:scale(1.05,.95) translateY(-2px) rotate(1deg)}
  66%{transform:scale(.96,1.05) translateY(1px) rotate(-.5deg)}
  74%{transform:scale(1.03,.98) translateY(-1px) rotate(.3deg)}
  82%{transform:scale(.99,1.01) translateY(0) rotate(0deg)}
}
/* Sidebar laser glow - single scrolling gradient (adristha-style) */
/* Sidebar */
.sidebar{width:var(--sidebar-w);height:100%;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:transform var(--spring),width var(--spring);z-index:50}
.sidebar.hidden{transform:translateX(-100%);position:absolute;left:0;top:0;bottom:0}
.sidebar__header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.sidebar__header-controls{display:flex;align-items:center;gap:6px}
.sidebar__collapse-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;color:var(--t3)}
.sidebar__collapse-btn:hover{background:var(--bg3);color:var(--t2)}
/* Collapsed sidebar vertical brand */
.sidebar__collapsed-brand{display:none;position:relative;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:6px;padding:8px 0;overflow:hidden}
.sidebar__collapsed-brand .v-text{writing-mode:vertical-rl;text-orientation:mixed;font-size:14px;font-weight:700;letter-spacing:4px;color:var(--accent);text-transform:uppercase;animation:brandPulse 3s ease-in-out infinite;opacity:.85;position:relative;z-index:2}
.sidebar__collapsed-brand .v-sub{writing-mode:vertical-rl;text-orientation:mixed;font-size:11px;font-weight:600;color:var(--t3);letter-spacing:2px;animation:brandPulse 3s ease-in-out infinite 1.5s;opacity:.7;position:relative;z-index:2}
.sidebar__collapsed-brand .v-laser{position:absolute;left:50%;top:0;width:1px;height:100%;transform:translateX(-50%);pointer-events:none;z-index:1;background:rgba(128,128,128,0.1);overflow:hidden}
.sidebar__collapsed-brand .v-laser::after{content:'';position:absolute;left:-2px;width:5px;height:40%;border-radius:3px;background:linear-gradient(180deg,transparent,var(--accent),transparent);filter:blur(1px);animation-name:laserScroll;animation-duration:2.5s;animation-timing-function:linear;animation-iteration-count:infinite}
@keyframes laserScroll{0%{transform:translateY(-120%)}100%{transform:translateY(300%)}}
@keyframes brandPulse{0%,100%{opacity:.35;filter:blur(0px)}50%{opacity:1;filter:blur(0.4px)}}
.sidebar__brand{display:flex;align-items:center;gap:10px}
.sidebar__nav{display:flex;align-items:center;gap:2px;padding:6px 12px;border-bottom:1px solid var(--border)}
.sidebar__nav-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;transition:background var(--fast);flex-shrink:0}
.sidebar__nav-btn:hover{background:var(--bg3)}
.sidebar__nav-btn svg{width:16px;height:16px;color:var(--t3)}
.sidebar__nav-btn:hover svg{color:var(--t1)}
.sidebar__brand svg{width:20px;height:20px;color:var(--accent)}
.sidebar__brand span{font-size:13px;font-weight:700;letter-spacing:-.02em}
.sidebar__search{margin:10px 12px 4px;position:relative}
.sidebar__search input{width:100%;padding:8px 12px 8px 34px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);font-size:12px;color:var(--t1);transition:border-color var(--fast)}
.sidebar__search input:focus{border-color:var(--bh)}
.sidebar__search input::placeholder{color:var(--t4)}
.sidebar__search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--t4)}
.sidebar__tags{scrollbar-width:none;-ms-overflow-style:none}
.sidebar__tags::-webkit-scrollbar{display:none}
.sidebar__tags button{transition:background .1s,color .1s}
.sidebar__actions{display:flex;gap:5px;padding:8px 12px 6px}
.sidebar__actions button{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:9px;border:1px solid var(--border);border-radius:11px;font-size:11px;font-weight:600;color:var(--t2);transition:background var(--fast),border-color var(--fast),transform var(--spring),box-shadow var(--fast)}
.sidebar__actions button:hover{background:var(--bg3);border-color:var(--bh);transform:translateY(-1px)}
.sidebar__actions button:active{transform:scale(.96)}
.sidebar__actions button svg{width:14px;height:14px}
/* Hero new-chat button — first action deserves prominence */
.sidebar__actions button.hero-action{background:linear-gradient(135deg,var(--accent2),var(--accent));border-color:transparent;color:#18130f;box-shadow:0 2px 10px rgba(200,160,108,.25)}
.sidebar__actions button.hero-action:hover{box-shadow:0 4px 16px rgba(200,160,108,.38);filter:brightness(1.05)}
.sidebar__actions button.hero-action svg{color:#18130f}
.sidebar__list{flex:1;overflow-y:auto;padding:4px 8px 8px}
.sidebar__item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--r);font-size:12px;color:var(--t2);cursor:pointer;transition:background var(--fast),color var(--fast),transform var(--fast);margin-bottom:1px;position:relative}
.sidebar__item:hover{background:var(--bg3);transform:translateX(2px)}
.sidebar__item__initial{width:18px;height:18px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--bg);background:linear-gradient(180deg,var(--accent2),var(--accent));flex-shrink:0}
.sidebar__item.active{background:var(--accent-soft);color:var(--t1);font-weight:500}
.sidebar__item.active::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;background:linear-gradient(180deg,var(--accent2),var(--accent));border-radius:0 3px 3px 0;box-shadow:0 0 8px rgba(200,160,108,.4)}
.sidebar__item.archived{opacity:.55}
.sidebar__item.archived:hover{opacity:.8}
.sidebar__item[draggable="true"]{cursor:grab}
.sidebar__item[draggable="true"]:active{cursor:grabbing}
.sidebar__item__meta{font-size:10px;color:var(--t4);margin-left:auto;white-space:nowrap}
.sidebar__item__status{width:5px;height:5px;border-radius:50%;flex-shrink:0;background:var(--t4);transition:background var(--fast)}
.sidebar__item__status.active{background:var(--accent);box-shadow:0 0 0 2px rgba(200,160,108,.15)}
.sidebar__item__count{font-size:9px;color:var(--t4);font-family:var(--font-mono);flex-shrink:0;min-width:14px;text-align:center}
.sidebar__item__del{opacity:0;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:opacity var(--fast),background var(--fast);flex-shrink:0}
.sidebar__item:hover .sidebar__item__del{opacity:.5}
.sidebar__item__del:hover{opacity:1!important;background:var(--bg4)}
.sidebar__item__del svg{width:12px;height:12px;color:var(--t4)}
.sidebar__empty{text-align:center;color:var(--t4);font-size:12px;padding:24px 16px;line-height:1.6}
.sidebar__footer{padding:8px 10px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:2px}
.sidebar__footer-btn{font-size:10px;color:var(--t3);padding:4px 6px;border-radius:var(--r);transition:color var(--fast),background var(--fast);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.sidebar__footer-btn:hover{color:var(--t1);background:var(--bg3)}
/* Header */
.chat-main{flex:1;display:flex;flex-direction:column;height:100%;min-width:0;position:relative}
.chat-main::before{display:none}
.chat-header{display:flex;align-items:center;justify-content:space-between;padding:8px max(14px,env(safe-area-inset-left)) 8px max(14px,env(safe-area-inset-right));border-bottom:1px solid transparent;background:color-mix(in srgb, var(--bg) 82%, transparent);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);flex-shrink:0;gap:8px;position:sticky;top:0;z-index:30;min-height:56px;transition:border-color var(--base)}
.chat-stage+.chat-composer, .chat-header:has(~ .chat-messages:not(:empty)){border-bottom-color:var(--border)}
.chat-header{border-bottom-color:var(--border)}
.chat-header__left{display:flex;align-items:center;gap:10px;min-width:0}
.chat-header__logo{width:36px;height:36px;object-fit:contain;flex-shrink:0}
.chat-header__toggle{display:flex;align-items:center;justify-content:center;width:var(--tap);height:var(--tap);border-radius:12px;transition:background var(--fast),transform var(--spring);flex-shrink:0}
.chat-header__toggle:hover{background:var(--bg3)}
.chat-header__toggle:active{transform:scale(.9)}
.chat-header__info{min-width:0}
.chat-header__model{font-size:14px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-header__badge{font-size:10px;color:var(--t3)}
.chat-header__center{display:flex;align-items:center;gap:3px;background:var(--bg3);border:1px solid var(--border);border-radius:999px;padding:3px;box-shadow:inset 0 1px 3px rgba(0,0,0,.12)}
.mode-btn{padding:5px 13px;border-radius:999px;font-size:12px;font-weight:500;color:var(--t3);transition:all var(--fast);white-space:nowrap}
.mode-btn:hover{color:var(--t2)}
.mode-btn.active{background:var(--bg-elev,var(--bg2));color:var(--t1);box-shadow:var(--shadow-1)}
.mode-btn[data-mode="balanced"].active{color:var(--mode-bal)}
.mode-btn[data-mode="creative"].active{color:var(--mode-cr)}
.mode-btn[data-mode="precise"].active{color:var(--mode-pr)}
.chat-header__right{display:flex;align-items:center;gap:4px;flex-shrink:0}
.chat-header__btn{display:flex;align-items:center;justify-content:center;width:var(--tap);height:var(--tap);border-radius:12px;transition:background var(--fast),transform var(--spring);position:relative}
.chat-header__btn:hover{background:var(--bg3)}
.chat-header__btn:active{transform:scale(.9)}
.chat-header__btn svg{width:17px;height:17px;color:var(--t3)}
.chat-header__btn:hover svg{color:var(--t1)}
.view-switch{display:inline-flex;align-items:center;gap:4px;padding:2px;border:1px solid var(--border);border-radius:999px;background:var(--bg3)}
.view-icon{width:30px;height:30px;border-radius:999px;display:flex;align-items:center;justify-content:center;color:var(--t4);transition:all var(--fast)}
.view-icon svg{width:14px;height:14px}
.view-icon.active{background:var(--bg4);color:var(--t1);box-shadow:0 1px 3px rgba(0,0,0,.18)}
/* Messages */
.chat-stage{flex:1;display:none;min-height:0}
.chat-main.chat-active .chat-stage{display:flex}
.chat-messages{flex:1;overflow-y:auto;padding:14px 14px 18px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;overscroll-behavior:contain}
@media(min-width:768px){.chat-messages{padding:26px 24px 30px;max-width:940px;margin:0 auto;width:100%}}
.message{display:flex;gap:12px;max-width:100%;align-items:flex-start;animation:msgIn .38s var(--spring);content-visibility:auto;contain-intrinsic-size:auto 90px}
@keyframes msgIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
.message--user{flex-direction:row-reverse}
.message__avatar{width:32px;height:32px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--bg3);border:1px solid var(--border);font-size:11px;font-weight:700;color:var(--t3);margin-top:2px;overflow:hidden}
.message__avatar--user{background:linear-gradient(180deg,var(--t3),var(--t4));border-color:transparent}
.message__avatar--user svg{width:15px;height:15px;color:var(--bg)}
.message__body{max-width:75ch;display:flex;flex-direction:column;gap:4px;min-width:0}
.message--user .message__body{align-items:flex-end;max-width:85%}
.message__content{padding:4px 2px;border-radius:16px;font-size:15px;line-height:1.62;color:var(--t1);word-wrap:break-word;overflow-wrap:break-word;letter-spacing:.001em}
.message--user .message__content{background:var(--msg-user);border:1px solid var(--border);color:var(--t1);font-family:var(--font-sans);padding:10px 16px;border-radius:20px 20px 6px 20px;box-shadow:var(--shadow-1)}
.message--ai .message__content{background:transparent;border:none;font-family:var(--font-sans);color:var(--t1)}
.message__ts{font-size:10px;color:var(--t4);margin-top:2px;padding:0 12px;opacity:0;transition:opacity var(--fast)}
.message:hover .message__ts{opacity:1}
.message--user .message__ts{text-align:right}
.message--ai .message__ts{text-align:left}
.message__actions{display:flex;gap:2px;opacity:0;transition:opacity var(--fast),transform var(--fast);padding-left:2px;margin-top:4px;transform:translateY(-2px)}
.message:hover .message__actions,.message__actions:focus-within{opacity:1;transform:translateY(0)}
.message__actions button{padding:5px 7px;border-radius:8px;font-size:11px;color:var(--t4);transition:color var(--fast),background var(--fast),transform var(--spring)}
.message__actions button:hover{color:var(--t2);background:var(--bg3)}
.message__actions button:active{transform:scale(.88)}
.message__actions button svg{width:14px;height:14px}
.message__content p{margin-bottom:3px}
.message__content p:last-child{margin-bottom:0}
.message__content strong{font-weight:600}
.message__content em{font-style:italic}
.message__content code{font-family:var(--font-mono);font-size:.86em;background:var(--bg3);padding:2px 6px;border-radius:6px;border:1px solid var(--border)}
.message__content pre{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:12px;margin:10px 0;position:relative;max-width:100%;scrollbar-width:thin;box-shadow:var(--shadow-1)}
.message__content pre code{background:none;padding:0;font-size:12.5px;line-height:1.6;white-space:pre;display:block;min-width:max-content}
.pre-copy{display:flex;align-items:center;gap:4px;padding:4px 9px;background:var(--bg3);border:1px solid var(--border-strong,var(--border));border-radius:7px;font-size:10px;font-weight:600;color:var(--t2);cursor:pointer;transition:color var(--fast),background var(--fast),transform var(--spring),opacity var(--fast);z-index:10;position:relative;opacity:.75}
.pre:hover .pre-copy,.message:hover .pre-copy{opacity:1}
.pre-copy:hover{color:var(--t1);background:var(--bg-elev,var(--bg2));opacity:1}
.pre-copy:active{transform:scale(.9)}
.pre-actions{display:flex;gap:5px;position:absolute;top:7px;right:7px;z-index:5}
.pre-run,.pre-render{display:flex;align-items:center;gap:4px;padding:4px 9px;background:var(--bg3);border:1px solid var(--border-strong,var(--border));border-radius:7px;font-size:10px;font-weight:600;color:var(--t2);cursor:pointer;transition:color var(--fast),background var(--fast),transform var(--spring),opacity var(--fast);opacity:.75}
.pre:hover .pre-run,.pre:hover .pre-render,.message:hover .pre-run,.message:hover .pre-render{opacity:1}
.pre-run:hover{color:#5ece7b;background:rgba(94,206,123,.12)}
.pre-run:active,.pre-render:active{transform:scale(.9)}
.code-with-lines{position:relative}
.code-scroll{display:flex;overflow-x:auto;border-radius:8px}
.code-line-nums{display:flex;flex-direction:column;padding:14px 0 14px 14px;min-width:38px;text-align:right;user-select:none;border-right:1px solid var(--border);margin-right:10px;flex-shrink:0}
.code-line-nums span{font-size:11px;line-height:1.6;color:var(--t4);font-family:var(--font-mono);padding:0 4px;opacity:.6}
.code-with-lines code{padding:14px 14px 14px 0;flex:1;min-width:0}
.code-collapsed .code-scroll{max-height:340px;overflow:hidden}
.code-expand-btn{display:flex;align-items:center;gap:3px;padding:3px 7px;background:var(--bg4);border:1px solid var(--border);border-radius:4px;font-size:10px;color:var(--t3);cursor:pointer;transition:color var(--fast),background var(--fast)}
.code-expand-btn:hover{color:var(--accent);border-color:var(--accent)}
.pre-render:hover{color:#8bc34a;background:var(--bg3)}
.chart-container{width:100%;min-height:200px;margin:8px 0;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg2)}
.chart-container img,.chart-container svg{max-width:100%;height:auto}
.arabic-text{direction:rtl;unicode-bidi:embed;display:inline;text-align:right}
.search-indicator{display:flex;align-items:center;gap:4px;padding:4px 8px;font-size:11px;color:var(--t4);background:var(--bg2);border-radius:6px;margin-bottom:4px;width:fit-content;animation:fadeIn .2s}
.search-indicator svg{animation:searchSpin 1.5s linear infinite}
@keyframes searchSpin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.chart-render-label{padding:4px 10px;font-size:10px;color:var(--t4);border-bottom:1px solid var(--border);font-family:var(--font-mono);display:flex;align-items:center;gap:4px}
.chart-render-label svg{width:11px;height:11px}
.code-output{margin-top:8px;padding:10px;background:#1a1a1a;border:1px solid var(--border);border-radius:8px;font-family:var(--font-mono);font-size:12px;color:#e0e0e0;white-space:pre-wrap;max-height:300px;overflow:auto;display:none}
.code-output.show{display:block}
.code-output .out-error{color:#e8856b}.code-output .out-warn{color:#f59e0b}
.code-output .out-log{color:#b8b0a0}
.message__content ul,.message__content ol{margin:4px 0;padding-left:18px}
.message__content li{margin-bottom:2px;line-height:1.5}
.message__content ol{list-style-type:decimal}
.message__content ul{list-style-type:disc}
.message__content li.ol-item{margin-bottom:4px;padding-bottom:2px}
.message__content li.ul-item{margin-bottom:2px}
.message__content blockquote{border-left:3px solid var(--accent);padding:2px 0 2px 14px;color:var(--t2);margin:8px 0;background:linear-gradient(90deg,var(--accent-soft),transparent 70%);border-radius:0 8px 8px 0}
.message__content h1,.message__content h2,.message__content h3,.message__content h4{margin:14px 0 6px;font-weight:700;letter-spacing:-.015em;line-height:1.3}
.message__content h1{font-size:1.35em}
.message__content h2{font-size:1.2em}
.message__content h3{font-size:1.06em}
.message__content a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:rgba(200,160,108,.4);transition:text-decoration-color var(--fast),color var(--fast)}
.message__content a:hover{color:var(--accent2);text-decoration-color:var(--accent2)}
.message__content table{width:100%;border-collapse:separate;border-spacing:0;margin:10px 0;font-size:12.5px;border:1px solid var(--border);border-radius:10px;overflow:hidden}
.message__content th,.message__content td{border:none;border-bottom:1px solid var(--border);padding:8px 12px;text-align:left}
.message__content tr:last-child td{border-bottom:none}
.message__content th{background:var(--bg3);font-weight:650;font-size:11px;color:var(--t2);text-transform:uppercase;letter-spacing:.04em}
.table-actions{display:flex;gap:4px;margin-top:4px}
.table-csv-btn{display:inline-flex;align-items:center;gap:3px;padding:2px 6px;background:var(--bg3);border:1px solid var(--border);border-radius:5px;font-size:10px;color:var(--t4);cursor:pointer;font-family:inherit;transition:all .15s}
.table-csv-btn:hover{background:var(--accent);color:#fff}
.message__content td{background:var(--bg4)}
.message__content hr{border:none;border-top:1px solid var(--border);margin:6px 0}
.message__content del{color:var(--t4);text-decoration:line-through}
.katex-render{display:inline-block;margin:4px 0}
.katex-render .katex-display{margin:8px 0}
.latex-fallback{background:var(--bg3);padding:2px 6px;border-radius:4px;font-size:12px;color:var(--t2)}
.code-lang-label{position:absolute;top:0;left:0;padding:4px 12px;font-size:10px;font-family:var(--font-mono);color:var(--accent2);background:var(--bg4);border-bottom:1px solid var(--border);border-right:1px solid var(--border);border-radius:0 0 10px 0;z-index:1;letter-spacing:.05em;text-transform:uppercase;font-weight:600}.svg-render{max-width:100%;overflow-x:auto}.svg-render svg{max-width:100%;height:auto}.mermaid-render{max-width:100%;overflow-x:auto;min-height:60px}.mermaid-render svg{width:100%;min-width:400px;height:auto}.mermaid{background:transparent!important}.mermaid svg{font-family:var(--font-sans)!important;width:100%;height:auto}.mermaid .node rect,.mermaid .node circle,.mermaid .node polygon,.mermaid .node path{fill:var(--bg3)!important;stroke:var(--border)!important;stroke-width:1.5px!important}.mermaid .node .nodeLabel{color:var(--t2)!important;font-size:13px!important}.mermaid .edgeLabel{color:var(--t3)!important;background:var(--bg2)!important;font-size:11px!important}.mermaid .cluster rect{fill:var(--bg4)!important;stroke:var(--border)!important}.mermaid .flowchart-link{stroke:var(--t4)!important;stroke-width:1.5px!important}.mermaid .marker{stroke:var(--t4)!important;fill:var(--t4)!important}
.message__content pre{position:relative;padding-top:26px}
code[class*="language-"],pre[class*="language-"]{background:var(--bg2)!important;border-radius:0 0 8px 0!important;font-family:var(--font-mono)!important;font-size:12px!important;text-shadow:none!important}
pre[class*="language-"]{padding:16px!important;margin:4px 0!important;border:1px solid var(--border)!important;border-radius:8px!important;overflow-x:auto!important}
:not(pre)>code[class*="language-"]{padding:2px 6px!important;border-radius:4px!important}
.token.comment,.token.prolog,.token.doctype,.token.cdata{color:var(--t4)!important}
.code-edit-area{width:100%;min-height:160px;padding:12px;font-family:var(--font-mono);font-size:12px;line-height:1.5;background:var(--bg2);color:var(--t1);border:1px solid var(--border);border-radius:8px;resize:vertical;outline:none;tab-size:2}
.code-edit-actions{display:flex;gap:6px;margin-top:8px}
.code-edit-actions button{padding:5px 12px;border-radius:6px;font-size:11px;cursor:pointer;border:none;font-family:inherit}
.code-edit-save{background:var(--accent);color:#18130f;font-weight:600}
.code-edit-cancel{background:var(--bg3);color:var(--t2);border:1px solid var(--border)}
.token.punctuation{color:var(--t3)!important}
.token.property,token.tag,token.boolean,token.number,token.constant,token.symbol,token.deleted{color:#e8856b!important}
.token.selector,token.attr-name,token.string,token.char,token.builtin,token.inserted{color:#a8c97f!important}
.token.operator,token.entity,token.url{color:#c8a06c!important}
.token.atrule,token.attr-value,token.keyword{color:#d4a0e5!important}
.token.function,token.class-name{color:#7eb8da!important}
.token.regex,token.important,token.variable{color:#f5c842!important}
.code-diff{margin-top:6px;padding:8px;background:var(--bg3);border:1px solid var(--border);border-radius:8px;font-family:var(--font-mono);font-size:11px;line-height:1.5;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.code-diff .diff-add{color:#a8c97f;background:rgba(168,201,127,.1);display:block;padding:1px 4px;border-radius:3px}
.code-diff .diff-remove{color:#e8856b;background:rgba(232,133,107,.1);display:block;padding:1px 4px;border-radius:3px;text-decoration:line-through;opacity:.8}
.message__actions .action-feedback{display:flex;align-items:center;gap:2px}
.message__actions .action-feedback button{width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:6px}
.message__actions .action-feedback button:hover{background:var(--bg3)}
.message__actions .action-feedback button svg{width:16px;height:16px}
.message__actions .action-feedback .fb-active{color:var(--accent)}
.feedback-nudge{position:absolute;bottom:calc(100% + 6px);right:0;padding:5px 10px;font-size:11px;color:var(--t3);background:var(--bg2);border:1px solid var(--border);border-radius:8px;white-space:nowrap;pointer-events:none;opacity:0;animation:nudgeIn .3s ease forwards;z-index:10}
.feedback-nudge::after{content:'';position:absolute;top:100%;right:16px;border:5px solid transparent;border-top-color:var(--bg2)}
@keyframes nudgeIn{0%{opacity:0;transform:translateY(4px)}100%{opacity:1;transform:translateY(0)}}
.typewriter-cursor{display:inline-block;width:2.5px;height:1.05em;background:linear-gradient(180deg,var(--accent2),var(--accent));margin-left:2px;border-radius:2px;animation:cursorBlink 1s ease-in-out infinite;vertical-align:text-bottom;box-shadow:0 0 8px rgba(200,160,108,.5)}
@keyframes cursorBlink{0%,100%{opacity:1}50%{opacity:.25}}
.message__meta{margin-top:2px;display:flex;gap:8px;font-size:10px;color:var(--t4);padding-left:4px}
/* Typing */
.typing-wrap{display:flex;gap:10px;align-items:center;padding:4px 0}
.typing-dots{display:flex;gap:4px;padding:6px 0}
.typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--t3);animation:typingDot 1.4s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes typingDot{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.typing-text{font-size:11px;color:var(--t4)}
/* Thinking bounce — premium shimmer label + soft dots */
.thinking-pulse{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;font-size:12.5px;animation:fadeIn .3s}
.thinking-pulse .bounce-dots{display:inline-flex;gap:5px;align-items:center}
.thinking-pulse .bounce-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:bounceDot 1.2s ease-in-out infinite}
.thinking-pulse .bounce-dot:nth-child(2){animation-delay:.2s}
.thinking-pulse .bounce-dot:nth-child(3){animation-delay:.4s}
.thinking-pulse .shimmer-text{background:linear-gradient(90deg,var(--t4) 30%,var(--accent2) 50%,var(--t4) 70%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmerSlide 1.8s linear infinite;font-weight:500}
@keyframes shimmerSlide{0%{background-position:180% 0}100%{background-position:-80% 0}}
@keyframes bounceDot{0%,80%,100%{transform:translateY(0);opacity:.3}40%{transform:translateY(-8px);opacity:1}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
/* Streaming stalled indicator — shown when no token for 4s+ during active stream */
.streaming-stalled{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;margin-left:6px;font-size:11px;font-weight:500;color:var(--t3);background:var(--bg3);border:1px solid var(--border-strong,var(--border));border-radius:999px;animation:msgIn .3s var(--spring);vertical-align:middle}
.streaming-stalled .pulse-dot{width:5px;height:5px;border-radius:50%;background:var(--mode-bal);animation:bounceDot 1.2s ease-in-out infinite}
.streaming-stalled.warning{color:#e8856b;border-color:rgba(232,133,107,.45);background:rgba(232,133,107,.09)}
.streaming-stalled.warning .pulse-dot{background:#e8856b}
/* Generated image in chat */
.message__content .gen-image{margin:8px 0;border-radius:12px;overflow:hidden;max-width:512px;border:1px solid var(--border)}.message__content .gen-image svg{width:100%;height:auto;min-height:300px}.message__content .gen-image.diagram{max-width:none!important;width:calc(100% + 60px);margin-left:-30px;border:1px solid var(--border);background:var(--bg3);padding:16px;min-height:200px}.message__content .gen-image.diagram svg{min-width:500px}.message__content .svg-render{max-width:none!important;width:calc(100% + 60px);margin-left:-30px;padding:16px;background:var(--bg2);border-radius:8px;border:1px solid var(--border);margin-top:4px;margin-bottom:4px;overflow-x:auto;min-height:120px}.message__content .svg-render svg{min-width:400px}
.message__content .gen-image img{width:100%;height:auto;display:block;cursor:zoom-in;transition:transform .25s var(--spring)}
.message__content .gen-image img:hover{transform:scale(1.02)}
.message__content .svg-render svg{cursor:zoom-in}
/* Image lightbox — click generated images/SVG to zoom */
.lightbox{position:fixed;inset:0;z-index:600;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:fadeIn .2s ease;cursor:zoom-out}
.lightbox img,.lightbox svg{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 24px 80px rgba(0,0,0,.6);animation:msgIn .3s var(--spring)}
.lightbox__bar{position:absolute;top:14px;right:14px;display:flex;gap:8px}
.lightbox__btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;cursor:pointer;transition:background var(--fast),transform var(--spring)}
.lightbox__btn:hover{background:rgba(255,255,255,.16);transform:scale(1.06)}
.lightbox__btn:active{transform:scale(.92)}
.lightbox__btn svg{width:18px;height:18px;max-width:none;max-height:none;border-radius:0;box-shadow:none;animation:none}
.lightbox__hint{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);font-size:11px;color:rgba(255,255,255,.55);font-family:var(--font-mono)}
.message__content .gen-image-caption{padding:6px 10px;font-size:11px;color:var(--t4);background:var(--bg3);border-top:1px solid var(--border)}
/* Image loading skeleton */
.image-loading{display:flex;align-items:center;justify-content:center;gap:8px;padding:40px 20px;color:var(--t3);font-size:12px;background:var(--bg3);border-radius:12px;border:1px dashed var(--border)}
.image-loading .bounce-dots{display:inline-flex;gap:4px;align-items:center}
/* Citation inline preview */
.citation-ref{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;border-radius:50%;background:var(--accent);color:var(--bg);font-size:9px;font-weight:700;cursor:pointer;vertical-align:super;margin:0 1px;transition:transform .15s}
.citation-ref:hover{transform:scale(1.3)}
.citation-preview{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);width:max-content;max-width:280px;padding:8px 10px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.3);font-size:11px;color:var(--t2);z-index:100;pointer-events:none;opacity:0;transition:opacity .15s}
.citation-ref:hover .citation-preview{opacity:1}
.citation-preview .cp-title{font-weight:600;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.citation-preview .cp-url{color:var(--t4);font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.citation-preview::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:var(--border)}
.image-loading .bounce-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:bounceDot 1.4s ease-in-out infinite}
.image-loading .bounce-dot:nth-child(2){animation-delay:.16s}
.image-loading .bounce-dot:nth-child(3){animation-delay:.32s}
/* Composer — elevated, big-tech grade */
.chat-composer{padding:6px max(10px,env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-right));border-top:none;background:linear-gradient(180deg,transparent,var(--bg) 42%);flex-shrink:0;position:relative}
.chat-composer::before{content:'';position:absolute;top:-24px;left:0;right:0;height:24px;background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}
.composer-wrap{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:6px}
.composer-box{display:flex;align-items:flex-end;gap:6px;background:var(--bg2);border:1px solid var(--border);border-radius:26px;padding:10px 12px 10px 18px;transition:border-color var(--fast),box-shadow var(--base),transform var(--spring),background var(--fast);box-shadow:var(--shadow-2)}
.composer-box:hover{border-color:var(--border-strong)}
.composer-box:focus-within{border-color:var(--bh);box-shadow:var(--shadow-2),0 0 0 3px var(--accent-soft);background:var(--bg-elev)}
.composer-input{flex:1;resize:none;border:none;outline:none;background:transparent;color:var(--t1);font-family:var(--font-sans);font-size:15px;line-height:1.45;max-height:160px;min-height:24px;padding:4px 0;overflow-y:auto;caret-color:var(--accent)}
.composer-input:focus{outline:none;box-shadow:none}
.composer-input::placeholder{color:var(--t4);transition:opacity var(--fast)}
.composer-box:focus-within .composer-input::placeholder{opacity:.55}
.composer-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}
.composer-action-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;transition:background var(--fast),color var(--fast),transform var(--spring);color:var(--t4);flex-shrink:0}
.composer-action-btn:hover{background:var(--bg3);color:var(--t2)}
.composer-action-btn:active{transform:scale(.92)}
.composer-action-btn svg{width:16px;height:16px}
.composer-send{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(180deg,var(--accent2),var(--accent));color:#18130f;transition:opacity var(--fast),transform var(--spring),box-shadow var(--fast);flex-shrink:0;box-shadow:0 2px 8px rgba(200,160,108,.28)}
.composer-send:hover{transform:translateY(-1px) scale(1.04);box-shadow:0 4px 14px rgba(200,160,108,.36)}
.composer-send:active{transform:scale(.90)}
.composer-send:disabled{opacity:.22;cursor:not-allowed;transform:none;box-shadow:none}
.composer-hint{text-align:center;font-size:10px;color:var(--t4);padding:2px 0 0;opacity:.6;transition:opacity var(--fast);user-select:none}
.composer:hover .composer-hint,.composer:focus-within .composer-hint{opacity:1}
.composer-send.stop{background:var(--bg3);color:var(--t2);box-shadow:inset 0 0 0 1px var(--border-strong)}
.composer-footer{display:flex;align-items:center;justify-content:space-between;padding:0 4px}
.composer-footer__left{display:flex;align-items:center;gap:12px}
.composer-footer__char{font-size:10px;color:var(--t4);font-family:var(--font-mono)}
.composer-footer__mode{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--t4)}
.composer-footer__mode-dot{width:5px;height:5px;border-radius:50%;display:inline-block}
.composer-footer__mode-dot.balanced{background:var(--mode-bal)}
.composer-footer__mode-dot.creative{background:var(--mode-cr)}
.composer-footer__mode-dot.precise{background:var(--mode-pr)}
.runtime-status{display:none}
.status-bar{display:flex;align-items:center;justify-content:space-between;padding:5px 10px;font-size:10px;color:var(--t4);font-family:var(--font-mono);border-top:1px solid var(--border);background:transparent;border-radius:0 0 12px 12px;min-height:24px;gap:8px}
.status-bar__left,.status-bar__right{display:flex;align-items:center;gap:10px;min-width:0}
.status-bar__item{display:flex;align-items:center;gap:4px;white-space:nowrap}
.status-bar__kbd{padding:1px 5px;background:var(--bg4);border:1px solid var(--border);border-radius:3px;font-size:9px;color:var(--t3);cursor:help}
.runtime-left,.runtime-right{display:flex;align-items:center;gap:8px;min-width:0}
.runtime-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border:1px solid var(--border);border-radius:999px;font-size:10px;color:var(--t3);font-family:var(--font-mono);white-space:nowrap}
.runtime-dot{width:6px;height:6px;border-radius:50%;background:var(--t4)}
.runtime-dot.online{background:#62c58f;box-shadow:0 0 0 2px rgba(98,197,143,.2)}
.runtime-dot.offline{background:#d67f6b;box-shadow:0 0 0 2px rgba(214,127,107,.2)}
.runtime-endpoint{max-width:42vw;overflow:hidden;text-overflow:ellipsis}
/* Welcome */
.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center;overflow-y:auto}
.welcome__icon{width:48px;height:48px;margin-bottom:16px;filter:drop-shadow(0 8px 24px rgba(200,160,108,.15));animation:welcomeFloat 4s ease-in-out infinite}
@keyframes welcomeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.welcome__eyebrow{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.02);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);margin-bottom:14px}
.welcome__title{font-size:clamp(26px,4.5vw,34px);font-weight:800;color:var(--t1);margin-bottom:10px;letter-spacing:-.045em;background:linear-gradient(120deg,var(--t1) 30%,var(--accent2) 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.welcome__sub{font-size:13px;color:var(--t3);max-width:600px;line-height:1.6;margin-bottom:22px}
.welcome__ops{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:-6px 0 18px}
.welcome__ops-item{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:linear-gradient(180deg,var(--bg2),var(--bg4));font-size:10px;color:var(--t3);font-family:var(--font-mono)}
.welcome__ops-dot{width:6px;height:6px;border-radius:50%;background:#5bc0a4;box-shadow:0 0 0 4px rgba(91,192,164,.12)}
.welcome__roadmap{max-width:600px;width:100%;display:grid;grid-template-columns:1fr;gap:8px;margin:0 0 18px}
@media(min-width:500px){.welcome__roadmap{grid-template-columns:repeat(3,1fr)}}
.welcome__roadmap-card{border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:linear-gradient(180deg,var(--bg2),var(--bg4));text-align:left}
.welcome__roadmap-label{font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--t4);font-family:var(--font-mono);margin-bottom:4px}
.welcome__roadmap-value{font-size:12px;color:var(--t2);line-height:1.4}
.welcome__grid{display:grid;grid-template-columns:1fr;gap:8px;max-width:600px;width:100%;margin-bottom:28px}
@media(min-width:500px){.welcome__grid{grid-template-columns:repeat(2,1fr)}}
.welcome__card{padding:15px 17px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,var(--bg2),var(--bg4));text-align:left;cursor:pointer;transition:transform var(--spring),border-color var(--fast),box-shadow var(--base),background var(--fast);position:relative;overflow:hidden}
.welcome__card::after{content:'';position:absolute;inset:0;background:radial-gradient(320px 90px at var(--mx,50%) -20%,var(--accent-soft),transparent 70%);opacity:0;transition:opacity var(--base);pointer-events:none}
.welcome__card:hover{transform:translateY(-3px);border-color:var(--bh);box-shadow:var(--shadow-2)}
.welcome__card:hover::after{opacity:1}
.welcome__card:active{transform:translateY(-1px) scale(.985)}
.welcome__card strong{display:block;font-size:13px;color:var(--t1);margin-bottom:4px;font-weight:650}
.welcome__card span{font-size:11.5px;color:var(--t3);line-height:1.6}
.welcome__hint{display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--border);border-radius:999px;font-size:11px;color:var(--t4)}
.welcome__hint kbd{display:inline-flex;align-items:center;gap:2px;padding:2px 6px;background:var(--bg3);border:1px solid var(--border);border-radius:4px;font-family:var(--font-mono);font-size:9px;color:var(--t3)}
/* Command Palette — frosted glass */
.cmd-overlay{position:fixed;inset:0;z-index:300;display:none;align-items:flex-start;justify-content:center;padding-top:14vh}
.cmd-overlay.open{display:flex}
.cmd-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2);animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeOut{from{opacity:1}to{opacity:0}}
.cmd-modal{position:relative;width:90%;max-width:540px;background:color-mix(in srgb,var(--bg2) 88%,transparent);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid var(--border-strong,var(--border));border-radius:18px;overflow:hidden;animation:cmdSlide .3s var(--spring);box-shadow:var(--shadow-3)}
@keyframes cmdSlide{from{opacity:0;transform:translateY(-14px) scale(.965)}to{opacity:1;transform:translateY(0) scale(1)}}
.cmd-input{width:100%;padding:16px 20px;background:transparent;border:none;border-bottom:1px solid var(--border);font-size:15px;color:var(--t1);outline:none;font-family:var(--font-sans)}
.cmd-input::placeholder{color:var(--t4)}
.cmd-input::-webkit-search-cancel-button{-webkit-appearance:none}
.cmd-list{max-height:320px;overflow-y:auto;padding:8px}
.cmd-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;cursor:pointer;transition:background var(--fast),color var(--fast);font-size:13.5px;color:var(--t2)}
.cmd-item:hover,.cmd-item.active{background:var(--accent-soft);color:var(--t1)}
.cmd-item svg{width:17px;height:17px;color:var(--t3);flex-shrink:0}
.cmd-item.active svg{color:var(--accent)}
.cmd-item-key{margin-left:auto;font-size:10px;color:var(--t4);font-family:var(--font-mono);background:var(--bg4);padding:2px 7px;border-radius:5px;border:1px solid var(--border)}
.cmd-empty{padding:28px;text-align:center;font-size:12.5px;color:var(--t4)}
/* Workspace Canvas */
.workspace-canvas{width:0;min-width:0;background:var(--bg2);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:width .25s ease,min-width .25s ease;flex-shrink:0}
.workspace-canvas.open{width:min(380px,35vw);min-width:300px}
.workspace-canvas__head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border);flex-shrink:0}
.workspace-canvas__title{font-size:12px;font-weight:700;color:var(--t2);display:flex;align-items:center;gap:6px}
.workspace-canvas__title svg{width:14px;height:14px;color:var(--accent)}
.workspace-canvas__body{flex:1;padding:12px 14px;overflow-y:auto;overflow-x:hidden}
.workspace-canvas__empty{height:100%;border:1px dashed var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--t3);font-size:12px;text-align:center;padding:16px;line-height:1.5}
.workspace-canvas__foot{padding:8px 14px;border-top:1px solid var(--border);font-size:10px;color:var(--t4);font-family:var(--font-mono)}
.workspace-snippet{border:1px solid var(--border);border-radius:10px;padding:10px;background:var(--bg3);margin-bottom:8px}
.workspace-snippet__head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.workspace-snippet__lang{font-size:10px;color:var(--t4);font-family:var(--font-mono);text-transform:uppercase}
.workspace-snippet__copy{font-size:10px;color:var(--t3);border:1px solid var(--border);padding:2px 7px;border-radius:999px}
.workspace-snippet pre{margin:0;max-height:220px;overflow:auto;background:var(--bg4);border:1px solid var(--border);border-radius:8px;padding:8px;font-size:11px;line-height:1.45}

/* Settings Drawer — card-based sections */
.settings-overlay{position:fixed;inset:0;z-index:200;display:none}
.settings-overlay.open{display:block}
.settings-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.settings-drawer{position:absolute;right:0;top:0;bottom:0;width:min(400px,92vw);background:var(--bg2);border-left:1px solid var(--border);display:flex;flex-direction:column;animation:drawerSlide .32s cubic-bezier(.32,.72,.24,1);box-shadow:var(--shadow-3)}
@keyframes drawerSlide{from{transform:translateX(100%)}to{transform:translateX(0)}}
.settings-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.settings-title{font-size:14px;font-weight:700;letter-spacing:-.01em}
.settings-close{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;transition:background var(--fast),transform var(--spring)}
.settings-close:hover{background:var(--bg3)}
.settings-close:active{transform:scale(.88)}
.settings-body{flex:1;overflow-y:auto;padding:18px 20px}
.settings-group{margin-bottom:22px;padding:14px;background:var(--bg3);border:1px solid var(--border);border-radius:14px}
.settings-group__title{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-family:var(--font-mono)}
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0;gap:12px}
.settings-row__label{font-size:12.5px;color:var(--t2)}
.settings-select{padding:7px 11px;background:var(--bg2);border:1px solid var(--border-strong,var(--border));border-radius:9px;font-size:12px;color:var(--t1);font-family:var(--font-sans);cursor:pointer;transition:border-color var(--fast)}
.settings-select:focus{border-color:var(--bh);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
.settings-slider-row{display:flex;flex-direction:column;gap:8px;padding:9px 0}
.settings-slider-row__head{display:flex;justify-content:space-between;align-items:center}
.settings-slider-row__label{font-size:12.5px;color:var(--t2)}
.settings-slider-row__value{font-size:11px;color:var(--accent2);font-family:var(--font-mono);font-weight:600}
.settings-slider{width:100%;-webkit-appearance:none;appearance:none;height:4px;background:var(--border);border-radius:3px;outline:none;cursor:pointer}
.settings-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:linear-gradient(180deg,var(--accent2),var(--accent));border:2.5px solid var(--bg2);cursor:pointer;transition:transform var(--spring),box-shadow var(--fast);box-shadow:0 1px 4px rgba(0,0,0,.3)}
.settings-slider::-webkit-slider-thumb:hover{transform:scale(1.25);box-shadow:0 0 0 5px var(--accent-soft)}
.settings-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:2.5px solid var(--bg2);cursor:pointer}
/* Toast — spring slide */
.toast{position:fixed;bottom:88px;left:50%;transform:translateX(-50%);background:var(--bg-elev,var(--bg3));border:1px solid var(--border-strong,var(--border));border-radius:999px;padding:9px 18px;font-size:12px;font-weight:500;color:var(--t1);z-index:400;animation:toastIn .35s var(--spring),toastOut .25s ease 2s forwards;pointer-events:none;box-shadow:var(--shadow-3)}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(14px) scale(.94)}to{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}}
@keyframes toastOut{from{opacity:1}to{opacity:0}}
/* Confirm Dialog */
.confirm-dialog-overlay{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:confirmFadeIn .18s ease}
.confirm-dialog{background:var(--bg-elev,var(--bg2));border:1px solid var(--border-strong,var(--border));border-radius:18px;padding:22px 24px;min-width:290px;max-width:360px;box-shadow:var(--shadow-3);animation:confirmSlideIn .32s var(--spring)}
.confirm-dialog__msg{font-size:13.5px;color:var(--t1);margin-bottom:18px;line-height:1.6}
.confirm-dialog__btns{display:flex;gap:8px;justify-content:flex-end}
.confirm-dialog__btn{padding:7px 16px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;border:none;transition:background var(--fast),opacity var(--fast)}
.confirm-dialog__btn--cancel{background:var(--bg3);color:var(--t3)}
.confirm-dialog__btn--cancel:hover{background:var(--bg4);color:var(--t2)}
.confirm-dialog__btn--danger{background:#c86c6c;color:#fff}
.confirm-dialog__btn--danger:hover{background:#b55}
.confirm-dialog__btn--primary{background:var(--accent);color:#18130f}
.confirm-dialog__btn--primary:hover{opacity:.85}
@keyframes confirmFadeIn{from{opacity:0}to{opacity:1}}
@keyframes confirmSlideIn{from{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
/* Welcome Popup */
.welcome-popup-overlay{position:fixed;inset:0;z-index:600;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);animation:confirmFadeIn .2s ease;padding:16px}
.welcome-popup{background:var(--bg-elev,var(--bg2));border:1px solid var(--border-strong,var(--border));border-radius:20px;width:100%;max-width:480px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-3);animation:confirmSlideIn .4s var(--spring)}
.welcome-popup__header{padding:20px 24px 0;display:flex;align-items:center;gap:10px}
.welcome-popup__badge{background:var(--accent);color:#18130f;font-size:9px;font-weight:700;padding:3px 8px;border-radius:6px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
.welcome-popup__title{font-size:16px;font-weight:700;color:var(--t1)}
.welcome-popup__close{margin-left:auto;background:none;border:none;color:var(--t4);cursor:pointer;padding:4px;border-radius:6px;transition:color var(--fast),background var(--fast)}
.welcome-popup__close:hover{color:var(--t2);background:var(--bg3)}
.welcome-popup__body{padding:16px 24px 20px}
.welcome-popup__section{margin-bottom:16px}
.welcome-popup__section:last-child{margin-bottom:0}
.welcome-popup__section-title{font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.welcome-popup__section-title svg{width:14px;height:14px;flex-shrink:0}
.welcome-popup__text{font-size:12px;color:var(--t2);line-height:1.6}
.welcome-popup__tip{background:var(--bg3);border-radius:10px;padding:12px 14px;margin-top:8px}
.welcome-popup__tip-title{font-size:11px;font-weight:600;color:var(--t1);margin-bottom:4px}
.welcome-popup__tip-text{font-size:11px;color:var(--t3);line-height:1.5}
.welcome-popup__news-item{padding:8px 0;border-bottom:1px solid var(--border)}
.welcome-popup__news-item:last-child{border-bottom:none;padding-bottom:0}
.welcome-popup__news-title{font-size:12px;font-weight:600;color:var(--t1)}
.welcome-popup__news-desc{font-size:11px;color:var(--t3);margin-top:2px}
.welcome-popup__footer{padding:0 24px 20px;display:flex;align-items:center;justify-content:space-between}
.welcome-popup__check{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--t4);cursor:pointer;user-select:none}
.welcome-popup__check input{accent-color:var(--accent)}
.welcome-popup__gotit{background:var(--accent);color:#18130f;border:none;padding:8px 20px;border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;transition:opacity var(--fast)}
.welcome-popup__gotit:hover{opacity:.85}
@media(max-width:520px){
  .welcome-popup{max-width:100%;border-radius:12px}
  .welcome-popup__header{padding:16px 16px 0}
  .welcome-popup__body{padding:12px 16px 16px}
  .welcome-popup__footer{padding:0 16px 16px;flex-direction:column;gap:10px;align-items:stretch}
  .welcome-popup__gotit{text-align:center}
}
/* Shortcuts Modal */
.shortcuts-overlay{position:fixed;inset:0;z-index:250;display:none;align-items:center;justify-content:center}
.shortcuts-overlay.open{display:flex}
.shortcuts-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px)}
.shortcuts-modal{position:relative;width:90%;max-width:420px;background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:24px;animation:cmdSlide .2s var(--base);box-shadow:0 16px 48px rgba(0,0,0,.4)}
.shortcuts-title{font-size:13px;font-weight:700;margin-bottom:16px}
.shortcuts-list{display:flex;flex-direction:column;gap:8px}
.shortcuts-row{display:flex;align-items:center;justify-content:space-between}
.shortcuts-row__label{font-size:12px;color:var(--t2)}
.shortcuts-row__keys{display:flex;gap:3px}
.shortcuts-row__keys kbd{display:inline-flex;align-items:center;gap:2px;padding:3px 6px;background:var(--bg3);border:1px solid var(--border);border-radius:4px;font-family:var(--font-mono);font-size:10px;color:var(--t2);line-height:1}
/* Selection toolbar */
.sel-toolbar{position:fixed;z-index:300;display:none;align-items:center;gap:2px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:4px;box-shadow:0 4px 16px rgba(0,0,0,.25);animation:cmdSlide .15s var(--base)}
.sel-toolbar button{display:flex;align-items:center;gap:4px;padding:4px 8px;border:none;background:none;border-radius:6px;font-size:11px;color:var(--t2);cursor:pointer;transition:background var(--fast),color var(--fast);white-space:nowrap}
.sel-toolbar button:hover{background:var(--bg3);color:var(--t1)}
.sel-toolbar button svg{width:12px;height:12px;flex-shrink:0}
.sel-toolbar .sep{width:1px;height:16px;background:var(--border);margin:0 2px}
/* Touch devices — no hover: keep actions reachable */
@media(hover:none){
  .message__actions{opacity:.72;transform:none}
  .message__ts{opacity:.6}
  .message__actions button{padding:7px 9px}
  .sidebar__item__del{opacity:.45}
  .welcome__card:hover{transform:none}
  .composer-hint{display:none}
}
/* Mobile */
@media(max-width:767px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:min(86vw,320px);transform:translateX(-104%);z-index:60;box-shadow:18px 0 42px rgba(0,0,0,.4);transition:transform .34s cubic-bezier(.32,.72,.24,1)}
  .sidebar.visible{transform:translateX(0)}
  .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:55;animation:fadeIn .2s ease}
  .sidebar-overlay.visible{display:block}
  .welcome{padding:16px 14px;gap:0}
  .welcome__icon{width:36px;height:36px;margin-bottom:10px}
  .welcome__eyebrow{font-size:8px;padding:3px 8px;margin-bottom:8px}
  .welcome__title{font-size:21px;margin-bottom:5px;letter-spacing:-.03em}
  .welcome__sub{font-size:10.5px;max-width:94%;margin-bottom:12px;line-height:1.5}
  .welcome__ops{display:none}
  .welcome__roadmap{display:none}
  .welcome__grid{grid-template-columns:1fr 1fr;gap:6px;margin-bottom:14px}
  .welcome__card{padding:10px 11px;border-radius:10px}
  .welcome__card strong{font-size:11.5px;margin-bottom:2px}
  .welcome__card span{font-size:9.5px;line-height:1.45}
  .welcome__hint{display:none}
  .chat-header{min-height:52px;padding-top:6px;padding-bottom:6px}
  .chat-header__center{display:none}
  .chat-messages{padding:14px 10px 18px;gap:8px}
  .message{gap:8px}
  .message__body{max-width:88%}
  .message__content{font-size:15px;line-height:1.6}
  .message--user .message__content{padding:9px 14px;border-radius:18px 18px 5px 18px}
  .message__content .gen-image.diagram,.message__content .svg-render{width:calc(100% + 30px);margin-left:-15px}
  .composer-wrap{gap:4px}
  .composer-box{border-radius:24px;padding:8px 10px 8px 15px}
  .composer-input{font-size:16px;line-height:1.45}
  .composer-action-btn{width:38px;height:38px;border-radius:11px}
  .composer-action-btn svg{width:15px;height:15px}
  .composer-send{width:40px;height:40px}
  .composer-send svg{width:17px;height:17px}
  .status-bar{flex-wrap:wrap;gap:4px;padding:4px 6px}
  .status-bar__right{display:none}
  .status-bar__disclaimer{max-width:160px}
  .toast{bottom:96px;max-width:88vw;text-align:center}
  .confirm-dialog{min-width:0;width:88vw;max-width:360px}
  .cmd-overlay{padding-top:8vh}
  .cmd-modal{width:94%}
  .settings-drawer{width:100vw;border-left:none}
}
@media(min-width:768px){.composer-footer__mode{display:none}}
@media(min-width:768px) and (max-width:1024px){
  .welcome{padding:28px 20px}
  .welcome__title{font-size:22px}
  .welcome__ops{display:none}
  .welcome__roadmap{display:none}
  .welcome__grid{grid-template-columns:repeat(2,1fr);gap:6px}
  .welcome__card:nth-child(n+5){display:none}
}
@media(min-width:768px){
  .sidebar{order:3;border-right:none;border-left:1px solid var(--border)}
  .workspace-canvas{order:2}
  .chat-main{order:1;flex:1 1 auto;min-width:420px}
  .sidebar__collapse{display:flex;align-items:center;justify-content:center}
  body.sidebar-collapsed .sidebar{width:56px}
  body.sidebar-collapsed .sidebar__brand span,
  body.sidebar-collapsed .sidebar__search,
  body.sidebar-collapsed .sidebar__actions,
  body.sidebar-collapsed .sidebar__footer,
  body.sidebar-collapsed .sidebar__list,
  body.sidebar-collapsed .sidebar__tags,
  body.sidebar-collapsed .sidebar__nav{display:none!important}
  body.sidebar-collapsed .sidebar__collapsed-brand{display:flex}
}
/* Fullscreen mode */
body.fullscreen-mode .sidebar{display:none!important}
body.fullscreen-mode .chat__main{margin-left:0!important;width:100%!important}
body.fullscreen-mode .chat__header{padding-left:16px}
body.fullscreen-mode .workspace-canvas{display:none!important}
body.fullscreen-mode #fullscreen-exit-btn{display:flex!important}
body.fullscreen-mode #sidebar-toggle{display:none!important}
@media(max-width:767px){
  .sidebar__collapse{display:none}
  .workspace-canvas{position:fixed;inset:0;z-index:55;background:var(--bg);transform:translateX(100%);transition:transform .25s ease;width:100%;min-width:0}
  .workspace-canvas.open{transform:translateX(0)}
  .workspace-canvas__head{padding:14px 16px}
  .workspace-canvas__body{padding:14px 16px}
}
.mode-select{min-width:92px;max-width:118px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:var(--bg3);color:var(--t2);font-size:11px}
@media(min-width:768px){#sidebar-toggle{display:none}}

/* ---- inline keyframes (was head block 1) ---- */

@keyframes smar-bounce{0%,100%{transform:translateY(0) scale(1)}10%{transform:translateY(-6px) scale(1.05)}20%{transform:translateY(0) scale(0.95)}30%{transform:translateY(-3px) scale(1.02)}40%{transform:translateY(0) scale(0.98)}50%{transform:translateY(-1px) scale(1.01)}}
@keyframes smar-jiggle{0%,100%{transform:rotate(0deg)}25%{transform:rotate(-3deg)}75%{transform:rotate(3deg)}}
@keyframes smar-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes smar-wiggle{0%,100%{transform:scale(1) rotate(0)}20%{transform:scale(1.1) rotate(-5deg)}40%{transform:scale(0.95) rotate(3deg)}60%{transform:scale(1.05) rotate(-2deg)}80%{transform:scale(0.98) rotate(1deg)}}
@keyframes smar-pulse-glow{0%,100%{box-shadow:0 0 0 0 rgba(var(--accent-rgb,139,92,246),0)}50%{box-shadow:0 0 12px 4px rgba(var(--accent-rgb,139,92,246),0.3)}}
@keyframes smar-squish{0%,100%{transform:scaleX(1) scaleY(1)}30%{transform:scaleX(1.15) scaleY(0.85)}60%{transform:scaleX(0.9) scaleY(1.1)}}
@keyframes typing-bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-5px)}}
@keyframes shimmer-slide{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes toast-in{0%{transform:translateY(20px);opacity:0}100%{transform:translateY(0);opacity:1}}
.smAR-bounce{animation:smar-bounce 0.6s ease-in-out}
.smAR-jiggle{animation:smar-jiggle 0.4s ease-in-out}
.smAR-float{animation:smar-float 2s ease-in-out infinite}
.smAR-wiggle{animation:smar-wiggle 0.5s ease-in-out}
.smAR-squish{animation:smar-squish 0.3s ease-in-out}
.smAR-glow{animation:smar-pulse-glow 2s ease-in-out infinite}
.typing-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin:0 2px;animation:typing-bounce 1.2s ease-in-out infinite}
.typing-dot:nth-child(2){animation-delay:0.15s}
.typing-dot:nth-child(3){animation-delay:0.3s}
.file-gen-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:600;cursor:pointer;transition:all 0.2s}
.file-gen-badge:hover{transform:scale(1.05);filter:brightness(1.1)}
.file-gen-badge.xlsx{background:#1d6f42;color:#fff}
.file-gen-badge.pptx{background:#b7472a;color:#fff}
.file-gen-badge.docx{background:#2b5797;color:#fff}
.file-gen-badge.pdf{background:#d83b01;color:#fff}