/* STORY vrstva nad stage UI — boardy, dashed draw, chrome-off/on, kurzory, toasty.
   Stage UI samotné je 1:1 ze stage.html (pen-ui) a tenhle soubor do něj nesahá,
   jen přidává přechody pro nájezd panelů a canvasové objekty. */

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-7: 28px;
  --space-10: 40px;
  --space-11: 44px;
  --agent-c-scale: 1;
  --agent-model-opacity: 1;
  --btc-code-bg: #18181b;
  --btc-code-raised: #202024;
  --btc-code-border: rgba(255, 255, 255, .08);
  --btc-code-text: #d4d4d8;
  --btc-code-muted: #8b8b94;
  --btc-code-faint: #52525b;
  --btc-code-keyword: #c4b5fd;
  --btc-code-tag: #f0abfc;
  --btc-code-string: #93c5fd;
  --btc-add: #4ade80;
  --btc-add-soft: rgba(74, 222, 128, .11);
  --btc-remove: #fb7185;
  --btc-remove-soft: rgba(251, 113, 133, .1);
  --btc-code-shadow: rgba(0, 0, 0, .34);
  --btc-cta: #18181b;
  --btc-cta-text: #ffffff;
  --vector-canvas: #f7f6f2;
  --vector-ink: #18181b;
  --vector-violet: #8b7cf6;
  --shader-deep: #0c0d12;
  --shader-violet: #8b7cf6;
  --shader-cyan: #56d6d2;
  --shader-rose: #ff7ca8;
  --shader-glint: #f4f5f7;
  --wide-thermal-key: #c7c7c7;
  --website-desktop-frame-surface: #ffffff;
  --mobile-app-surface: #e8e8e8;
}
html, body { overflow-x: clip; }
[data-theme="dark"] {
  --website-desktop-frame-surface: #101012;
  --mobile-app-surface: #141416;
}

.card { position: relative; }
.scene .cam { transition: transform .95s cubic-bezier(.3,.75,.25,1); }

/* ---- meet.cptr boardy (pen artboard vizuál ze stage) ---- */
.boards { position: absolute; inset: 0; z-index: 2; transform-origin: 720px 405px;
  transition: transform .95s cubic-bezier(.32,.72,.24,1); --z: 1; --abz: var(--z, 1);
  transform: scale(var(--z, 1)); }
.scene:not(.chrome-off) .boards { transform: translateX(54px) scale(calc(.68 * var(--z, 1)));
  --abz: calc(.68 * var(--z, 1)); }
.artboard.brd { background: #101012; box-shadow: 0 1px 4px rgba(0,0,0,.35); translate: -50% -50%;
  border-radius: 0;
  transition: opacity .5s ease, scale .55s cubic-bezier(.25,1.1,.4,1), box-shadow .45s ease; }
/* the website story's frames take the theme surface on both cards (desktop and the portrait
   "Mobile" variant); the plain .brd default above is the dark fallback for other stories */
#c [data-website-card="web"] .artboard.brd,
#c [data-website-card="mobile"] .artboard.brd {
  background: var(--website-desktop-frame-surface);
}
.artboard.brd img { display: block; width: 100%; height: 100%; object-fit: cover;
  border-radius: 0; pointer-events: none; }
.artboard.brd.pre { opacity: 0; scale: .94; }
.scene:not(.chrome-off) .artboard.brd { cursor: pointer; }
.artboard.brd.ah { outline: 1.5px solid #FF9500; outline-offset: 2px; }
.artboard.brd.ah .ab-label { color: #FF9500; }
/* The engine counter-scales selection chrome inside the camera, below cursors,
   so its 1px border and corner handles keep their screen-space dimensions. */
.selection-overlay { position: absolute; left: 0; top: 0; z-index: 45;
  display: none; pointer-events: none; box-sizing: border-box;
  border: 1px solid var(--pen-sel); transform-origin: left top; }
.selection-overlay.on { display: block; }
.selection-overlay i { position: absolute; width: 8px; height: 8px;
  box-sizing: border-box; background: #fff; border: 1px solid var(--pen-sel);
  border-radius: 1px; }
.selection-overlay .tl { left: -.5px; top: -.5px; translate: -50% -50%; }
.selection-overlay .tr { left: calc(100% + .5px); top: -.5px; translate: -50% -50%; }
.selection-overlay .bl { left: -.5px; top: calc(100% + .5px); translate: -50% -50%; }
.selection-overlay .br { left: calc(100% + .5px); top: calc(100% + .5px); translate: -50% -50%; }
.selection-overlay.handles-hidden i, .selection-overlay.handles-hidden .dim { display: none; }
.cam .selection-overlay .dim { top: calc(100% + 7px); }
.selection-overlay .dim:empty { display: none; }
.selection-overlay-ready .artboard.sel { outline-color: transparent; }
.selection-overlay-ready .artboard.sel .hnd, .selection-overlay-ready .artboard.sel .dim { display: none; }
/* portrait (phone) layout: the screen-space overlay is repositioned from script once per frame
   from getBoundingClientRect, which cannot follow the compositor-animated camera exactly on iOS
   (it trails the frame during zoom and pan, a visible glitch on every view switch). There the
   selected frame draws its own outline inside the transformed layer instead, counter-scaled by
   the camera zoom so it stays about 1.5 css px. Handles are hidden in portrait anyway. */
[data-mobile-layout="portrait-chat"] .selection-overlay { display: none !important; }
[data-mobile-layout="portrait-chat"].selection-overlay-ready .artboard.sel {
  outline: calc(1.5px / var(--abz, 1)) solid var(--pen-sel, #3b82f6); outline-offset: 0; }
/* canned edity */
.artboard.brd.e-glow { box-shadow: 0 18px 60px #ff2e7e66, 0 4px 18px #00000030; }
.artboard.brd.e-lift { scale: 1.08; box-shadow: 0 26px 64px #00000052; z-index: 8; }
.artboard.brd.e-mono img,
.artboard.brd.e-mono canvas { filter: grayscale(1) contrast(1.05); }
.pen-chip-suggest[data-direct-action]:disabled {
  opacity: .56;
  cursor: progress;
}

/* ---- dashed draw box (varianta C) ---- */
.dbox { position: absolute; border: 1.5px dashed var(--pen-sel); border-radius: 2px;
  opacity: 0; pointer-events: none; z-index: 5; }
.dbox.draw { opacity: 1;
  transition: clip-path .52s cubic-bezier(.3,.7,.25,1), opacity .12s ease-out;
  will-change: clip-path, opacity; }
.mobile-two-agent-intro .dbox.draw { transition-duration: .3s, .12s; }
.dbox.done { opacity: 0; transition: opacity .32s ease .08s; }

/* ---- chrome off/on: panely mimo scénu v beatu 1, slide-in v beatu 2 ---- */
.cam .pen-agent-side { transition: transform .7s cubic-bezier(.32,.72,.24,1) .26s; }
.cam .pen-props { transition: transform .7s cubic-bezier(.32,.72,.24,1) .4s; }
.cam .stage-topbar { transition: transform .6s cubic-bezier(.32,.72,.24,1) .12s, opacity .5s ease .12s; }
.cam .stage-rail { transition: transform .6s cubic-bezier(.32,.72,.24,1) .34s, opacity .5s ease .34s; }
.cam .stage-zoom { transition: transform .6s cubic-bezier(.32,.72,.24,1) .5s, opacity .5s ease .5s; }
.chrome-off .pen-agent-side { transform: translateX(-105%); transition-delay: 0s; }
.chrome-off .pen-props { transform: translateX(105%); transition-delay: 0s; }
.chrome-off .stage-topbar { transform: translateY(-70px); opacity: 0; transition-delay: 0s; }
.chrome-off .stage-rail { transform: translateX(-90px); opacity: 0; transition-delay: 0s; }
.chrome-off .stage-zoom { transform: translateY(90px); opacity: 0; transition-delay: 0s; }

:is(#c, #mobile-app, #social-marketing) .scene-desktop.chrome-off :is(.pen-props, .stage-zoom) {
  transform: none;
  opacity: 1;
}
:is(#c, #mobile-app, #social-marketing) .scene-desktop.chrome-off :is(.stage-topbar, .stage-rail) {
  transform: translateX(-320px);
  opacity: 1;
}
:is(#c, #mobile-app, #social-marketing) .scene-desktop.chrome-off :is(.stage-topbar, .stage-rail, .pen-props, .stage-zoom) {
  pointer-events: none;
}

/* ---------- kurzory & ripple (features-demo) ---------- */
.vc { position: absolute; z-index: 50; pointer-events: none; opacity: 0;
  left: 0; top: 0; --ac: #fff; }
.vc.on { opacity: 1; }
:is(#c, #mobile-app, #social-marketing) .scene:not(.chrome-off) .vc { opacity: 0; }
/* Avoid will-change on the glyph group: it can blur the scaled pointer and label. */
.vc.cursor-transform-motion { backface-visibility: hidden; }
.vcg { position: relative; width: 24px; height: 24px;
  transform: translate(-4px,-5px); transform-origin: 0 0;
  scale: calc(var(--agent-c-scale) / var(--cam-scale, 1));
  transition: translate .18s cubic-bezier(.25,1,.4,1); }
.vc svg { display: block; overflow: visible; }
/* Match the editor’s default 24px cursor geometry. */
.vc .vc-pointer-shadow { fill: #000; filter: drop-shadow(0 1px 1.75px #000000d9); }
.vc .vc-pointer-shape { fill: var(--ac); stroke: #fff; stroke-width: 3px; paint-order: stroke; }
.vc.user .vc-pointer-shadow { filter: drop-shadow(0 1px 1.75px #000000d9); }
.vc.user .vc-pointer-shape { fill: #fff; stroke: #1a1a1a; stroke-width: 1.4px; }
/* Inter's ascent/descent and Skia's rounded 13px paragraph at the default cursor size. */
.vc span { display: block; box-sizing: content-box; width: max-content; height: 13px; position: absolute; left: 0; top: 0;
  margin: 0; translate: 18px 18px; background: var(--ac); color: #000;
  border-radius: 2px; padding: 2px 5px; font: 500 11px/1.2099609375 "PenCursor", sans-serif;
  letter-spacing: normal; font-optical-sizing: none;
  white-space: nowrap; filter: drop-shadow(0 1px 1.75px #00000040); }
/* Chrome rounds the 11px font baseline to 10px; Skia keeps Inter's 10.65625px ascent. */
.vc .vc-label-text { display: block; font-weight: inherit; transform: translateY(.65625px); }
.vc span em { font-style: normal; opacity: var(--agent-model-opacity); font-weight: inherit; }
.vc.cursor-prominent span { transition: translate .18s cubic-bezier(.25,1,.4,1); }
.scene.agents-prominent .vc.label-position-fixed span { transition: none; }
.scene.agents-prominent .vc.agent-offstage span,
.scene.agents-prominent .vc.agent-label-hidden span { visibility: hidden; }
.scene.agents-prominent .vc.agent-cursor-hidden { visibility: hidden; }
.vc.user span { display: none; }

.caret { display: inline-block; width: 1.5px; height: 1em; vertical-align: -.15em;
  background: currentColor; animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

/* ---------- toasty ---------- */
.toasts { position: absolute; z-index: 66; left: 50%; bottom: 14px; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 5px; align-items: center;
  pointer-events: none; width: max-content; max-width: 62%; }
.toast { display: flex; align-items: center; gap: 7px; background: #fff; border-radius: 999px;
  padding: 5px 14px; font-size: 10.5px; color: #232326; box-shadow: 0 2px 10px #0000002e;
  max-width: 100%; opacity: 0; transform: translateY(5px);
  transition: opacity .26s ease, transform .26s ease; }
.toast.on { opacity: 1; transform: none; }
.toast i { width: 5px; height: 5px; border-radius: 50%; background: var(--ac, #999); flex: 0 0 auto; }
.toast.sys i { width: 11px; height: 11px; background: #18181b; position: relative; }
.toast.sys i::after { content: '✓'; position: absolute; inset: 0; color: #fff; font-size: 7px;
  display: grid; place-items: center; }
.toast b { color: inherit; font-weight: 500; }
.toast s { text-decoration: none; color: #5d5d63; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }

.ripple { position: absolute; z-index: 49; width: 20px; height: 20px; margin: -10px 0 0 -10px;
  border-radius: 50%; border: 1.5px solid var(--pen-sel); pointer-events: none;
  animation: rip .5s ease-out forwards; }
@keyframes rip { from { transform: scale(.3); opacity: .9; } to { transform: scale(2.1); opacity: 0; } }

/* ---------- hud & hint ---------- */
.hud { position: absolute; z-index: 70; right: 12px; bottom: 12px; transition: opacity .2s ease; }
.hud.hide { opacity: 0; pointer-events: none; }
.hud button { width: 34px; height: 34px; border-radius: 50%; border: 0; cursor: pointer;
  background: #00000052; color: #fff; display: grid; place-items: center; transition: transform .15s ease; }
.hud button:hover { transform: scale(1.1); }
.hint { position: absolute; z-index: 65; left: 50%; bottom: 12px; transform: translateX(-50%);
  font-size: 11px; color: #00000075; background: #ffffffc4; border-radius: 999px; padding: 4px 13px;
  pointer-events: none; opacity: 0; transition: opacity .3s ease; white-space: nowrap; }
.hint.on { opacity: 1; }

/* ---- Verze B: vnitřní elementy boardů ---- */
.brd.det { overflow: hidden; }
.bel { position: absolute; opacity: 0; translate: 0 6px;
  transition: opacity .45s ease, translate .45s cubic-bezier(.25,1,.4,1); }
.bel.on { opacity: 1; translate: 0 0; }
.bel img { width: 100%; height: 100%; object-fit: fill; display: block; pointer-events: none; }
.mobile-detail-layer { position: absolute; z-index: 2; overflow: hidden; pointer-events: none;
  opacity: 0; translate: 0 5px; clip-path: var(--detail-clip);
  transition: opacity .28s ease-out, translate .42s cubic-bezier(.25,1,.4,1); }
.mobile-detail-layer.on { opacity: 1; translate: 0 0; }
.mobile-detail-layer img { display: block; width: 100%; height: 100%; object-fit: fill; }
.thermal-wide-layer { z-index: 0; overflow: hidden; background: #0b0b0d; contain: paint; }
.thermal-wide-fallback,
.thermal-wide-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.thermal-wide-fallback { object-fit: fill; }
.thermal-wide-canvas { opacity: 0; transition: opacity .16s ease-out; }
.thermal-wide-layer.thermal-wide-ready .thermal-wide-canvas { opacity: 1; }
[data-k="wide"] { isolation: isolate; }
[data-k="wide"] [data-el="wide:cap"] { z-index: 3; pointer-events: none; }
.bel.tl img { object-fit: contain; object-position: left top; }
.bel.fit img { object-fit: contain; }
.bel.shd img { filter: drop-shadow(0 6px 16px rgba(0,0,0,.45)); }
.t-hero { font: 500 7.5px/1.35 Inter, Rubik, sans-serif; color: #fff; display: flex; align-items: center; }
.t-cap { font: 400 6.5px/1.4 Inter, Rubik, sans-serif; color: #ffffffcc; }
.bg-sched { background: linear-gradient(135deg, #232227 0%, #141317 55%, #1b141b 100%); }
.bg-pink { background: linear-gradient(135deg, #2b1520 0%, #17171a 60%); }
.bg-grey { background: linear-gradient(135deg, #4a4a4c 0%, #2c2c2e 100%); }
.bg-dark { background: #0b0b0d; }
.o-bg { background: radial-gradient(circle at 50% 50%, #1d1218 0%, #0d0a10 75%); }
.o-glow { border-radius: 50%; background: radial-gradient(circle, #ff4f8caa 30%, #ff4f8c33 55%, transparent 72%); filter: blur(3px); }
.o-disc { border-radius: 50%; background: #0b080c; box-shadow: 0 0 18px #ff2e7e55, inset 0 0 8px #ff2e7e33; }
.o-mark { border-radius: 50%; display: grid; place-items: center; }
.o-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* ---- Varianta Mobile app · Silver Coffee ----------------------------- */
.mobile-app-stage .artboard.brd { background-color: var(--mobile-app-surface); }
.mobile-app-stage .theme-light,
.mobile-app-stage .theme-dark { position: absolute; inset: 0; width: 100%; height: 100%;
  transition: opacity .18s ease-out; }
.mobile-app-stage .theme-light { opacity: 1; }
.mobile-app-stage .theme-dark { opacity: 0; }
[data-theme="dark"] .mobile-app-stage .theme-light { opacity: 0; }
[data-theme="dark"] .mobile-app-stage .theme-dark { opacity: 1; }

.mobile-source-set, .mobile-screen-set { position: absolute; inset: 0; pointer-events: none; }
.mobile-app-stage .artboard.brd.mobile-source-board {
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none;
}
.mobile-source-board { isolation: isolate; overflow: hidden; border-radius: 4px;
  transform: scale(var(--mobile-source-scale, 1));
  transform-origin: center;
  box-shadow: none;
  visibility: visible;
  transition: opacity .32s ease-out, scale .42s cubic-bezier(.25,1,.4,1),
    visibility 0s linear 0s; }
.mobile-source-board .mobile-source-image { position: absolute; inset: 0; background: transparent; }
.mobile-source-board .mobile-source-image img { object-fit: contain; }
.mobile-source-board.building {
  box-shadow: none;
  filter: drop-shadow(0 0 7px color-mix(in srgb, var(--pen-sel) 42%, transparent));
}
.mobile-source-board.ready { box-shadow: none; filter: none; }
.mobile-source-status { position: absolute; right: 4px; bottom: 4px; z-index: 2; padding: 2px 4px;
  border-radius: 999px; background: color-mix(in srgb, var(--pen-card) 88%, transparent);
  color: var(--pen-ag-gray); font: 500 6.5px/1 Inter, Rubik, sans-serif; opacity: 0;
  transition: opacity .2s ease-out; }
.mobile-source-board.ready .mobile-source-status { opacity: 1; }
.mobile-sources-dismissed .mobile-source-board { opacity: 0; scale: .88; visibility: hidden;
  pointer-events: none; transition-delay: 0s, 0s, .42s; }

.mobile-screen-board { isolation: isolate; overflow: hidden; border-radius: 10px;
  background: var(--mobile-app-surface);
  box-shadow: 0 16px 44px color-mix(in srgb, var(--pen-ag-text) 15%, transparent);
  pointer-events: auto; }
.mobile-screen-board.mobile-grid-reflow { will-change: transform; }
.mobile-screen-board.mobile-user-hidden { opacity: 0; pointer-events: none; }
.mobile-screen-board::before { content: ''; position: absolute; inset: 0; z-index: 0;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pen-ag-text) 7%, transparent);
  pointer-events: none; }
.mobile-phone-base { position: absolute; inset: 0; z-index: 0;
  background: var(--mobile-app-surface); }
.mobile-screen-piece, .mobile-screen-final { position: absolute; inset: 0; z-index: 2; overflow: hidden; }
.mobile-screen-piece { clip-path: var(--mobile-piece-clip); opacity: 0; translate: 0 6px;
  transition: opacity .34s ease-out, translate .46s cubic-bezier(.25,1,.4,1); }
.mobile-screen-piece.on { opacity: 1; translate: 0 0; }
.mobile-screen-piece img, .mobile-screen-final img { object-fit: fill; }
.mobile-screen-final { z-index: 4; opacity: 0; transition: opacity .42s ease-out; }
.mobile-screen-board.resolved .mobile-screen-final { opacity: 1; }
.mobile-screen-board .hnd, .mobile-screen-board .dim { z-index: 7; }
.mobile-drop-zone { position: absolute; left: 5%; width: 90%; z-index: 5; pointer-events: none; }
.mobile-draw-outline { position: absolute; left: 6%; width: 88%; z-index: 6; opacity: 0;
  border: 1.5px dashed var(--pen-sel); border-radius: 3px; pointer-events: none;
  scale: .94; transition: opacity .16s ease-out, scale .46s cubic-bezier(.25,1,.4,1); }
.mobile-draw-outline.on { opacity: 1; scale: 1; }
.mobile-draw-outline.done { opacity: 0; scale: 1; }
.mobile-layer-waiting { opacity: .36; }

.mobile-app-stage [data-panel="t-components"],
#c [data-website-card="web"] [data-panel="t-components"] {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.mobile-component-library { min-height: 0; height: 100%; overflow: auto; padding: 10px 8px 16px; }
.mobile-library-search { height: 31px; display: flex; align-items: center; gap: 7px; padding: 0 8px;
  border: 1px solid var(--pen-inbr); border-radius: 7px; background: var(--pen-btnbg);
  color: var(--pen-pre); }
.mobile-library-search input { min-width: 0; width: 100%; border: 0; outline: 0; padding: 0;
  background: transparent; color: var(--pen-val); font: 400 10.5px/1 Inter, Rubik, sans-serif; }
.mobile-library-search input::placeholder { color: var(--pen-pre); }
.mobile-create-component { width: 100%; height: 31px; margin-top: 8px; border: 0; border-radius: 7px;
  background: color-mix(in srgb, var(--pen-pre) 54%, transparent); color: var(--pen-bg);
  font: 600 10px/1 Inter, Rubik, sans-serif; opacity: .68; }
.mobile-library-help { margin: 7px 1px 9px; color: var(--pen-pre);
  font: 400 9.5px/1.3 Inter, Rubik, sans-serif; }
.mobile-library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 7px; }
.mobile-library-item { min-width: 0; padding: 0; border: 0; background: transparent; color: var(--pen-val);
  text-align: left; cursor: pointer; }
.mobile-library-thumb { position: relative; display: block; width: 100%; height: 91px; overflow: hidden;
  border: 1px solid transparent; border-radius: 5px; background: var(--pen-btnbg);
  transition: background .14s ease-out, border-color .14s ease-out, transform .14s ease-out; }
.mobile-library-thumb img { display: block; width: 100%; height: 100%; object-fit: contain; }
.mobile-library-label { display: block; min-height: 25px; padding-top: 5px;
  font: 500 9.5px/1.25 Inter, Rubik, sans-serif; overflow-wrap: anywhere; }
.mobile-library-item:active .mobile-library-thumb { transform: scale(.98); }
.mobile-library-item:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 2px; border-radius: 5px; }
.mobile-library-item.is-drag-source .mobile-library-thumb,
.mobile-library-item.sel .mobile-library-thumb { border-color: var(--pen-sel);
  background: color-mix(in srgb, var(--pen-sel) 9%, var(--pen-btnbg)); }

.mobile-slides .mobile-slide { position: relative; padding: 0; border: 0; background: var(--pen-btnbg); }
.mobile-slides .mobile-slide img { object-fit: contain; }
.mobile-slides .mobile-slide-waiting { opacity: .36; cursor: default; }
.mobile-slides .mobile-slide:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 2px; }
.mobile-app-stage .pen-tree-row .eye { display: flex; opacity: 0; pointer-events: none; }
.mobile-app-stage .pen-tree-row:hover .eye,
.mobile-app-stage .pen-tree-row .eye:focus-visible { opacity: 1; pointer-events: auto; }
.mobile-app-stage .pen-tree-row.layer-hidden .eye { opacity: .48; pointer-events: auto; }
.mobile-app-stage .pen-tree-row .eye:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: -2px; }
.mobile-app-stage .pen-agent-body { overflow-y: auto; }

.mobile-agent-thread { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.mobile-agent-message { max-width: 92%; padding: 8px 10px; border-radius: 10px;
  color: var(--pen-ag-text); background: var(--pen-ag-soft);
  font: 400 10.5px/1.4 Inter, Rubik, sans-serif; }
.mobile-agent-message b { display: block; margin-bottom: 2px; font-weight: 600; }
.mobile-agent-message.user { align-self: flex-end; color: #fff; background: #52525b; }
.mobile-hot-actions { width: 100%; padding-top: 2px; }
.mobile-hot-actions[hidden], .mobile-hot-action[hidden] { display: none !important; }
.mobile-hot-actions .pen-chip-suggest:last-child { margin-bottom: 0; }
.mobile-hot-action:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 2px; }
.mobile-hot-action:active { transform: scale(.985); }
.mobile-hot-action:disabled { cursor: default; opacity: .58; }

.mobile-drag-ghost { position: absolute; z-index: 69; overflow: visible; pointer-events: none;
  border: 0; border-radius: 0; background: transparent; box-shadow: none;
  filter: drop-shadow(0 8px 12px rgba(0,0,0,.22));
  will-change: transform, opacity; }
.mobile-drag-ghost img { object-fit: contain; }

@media (hover: hover) and (pointer: fine) {
  .mobile-library-item:hover .mobile-library-thumb { background: var(--pen-hover); border-color: var(--pen-btnbr); }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-source-board, .mobile-draw-outline { transition: none !important; }
  .mobile-screen-piece, .mobile-screen-final { translate: 0; transition: opacity .18s ease-out !important; }
  .mobile-screen-board.mobile-grid-reflow { transform: none !important; }
  .mobile-drag-ghost { display: none !important; }
}

/* ---- hand tool + zoom: pan přes transform, zoom LAYOUTOVĚ (css zoom => ostré
   rastery při zvětšení); střed zoomu kompenzován v translate ---- */
.zoomlayer { position: absolute; left: 0; top: 0; width: 1440px; height: 810px;
  transform-origin: 720px 405px; }
.boards { transform: translate(calc(var(--panx, 0px) + var(--zoom-shift-x, 0px)),
                               calc(var(--pany, 0px) + var(--zoom-shift-y, 0px))); }
.scene:not(.chrome-off) .boards { transform:
  translate(calc(54px + var(--panx, 0px) + var(--zoom-editor-shift-x, 0px)),
            calc(var(--pany, 0px) + var(--zoom-editor-shift-y, 0px)))
  scale(.68); }
:is(#c, #mobile-app) .scene-desktop.chrome-off .boards {
  --abz: calc(.82 * var(--z, 1));
  transform: translate(-106px, 0) scale(.82);
}
.scene.hand-on .cam, .scene.hand-on .brd { cursor: grab !important; }
.scene.grabbing .cam, .scene.grabbing .brd { cursor: grabbing !important; }

/* ---- Feature · Back to code ------------------------------------------- */
.feature-head { margin: var(--space-11) 0 var(--space-4); }
.feature-kicker { display: block; margin-bottom: var(--space-1);
  font: 600 11px/1.3 Inter, Rubik, sans-serif; letter-spacing: .12em;
  text-transform: uppercase; color: var(--hmut); }
.feature-head h2 { margin: 0; font: 600 28px/1.2 Inter, Rubik, sans-serif;
  letter-spacing: -.02em; color: var(--hfg); }
.feature-story .cap strong { color: var(--hfg); font-weight: 500; }

.btc-stage .boards { opacity: 1;
  transition: transform .95s cubic-bezier(.32,.72,.24,1), opacity .28s ease; }
.btc-stage.code-on .boards { opacity: .14; }
.btc-stage .artboard.brd { transition: opacity .28s ease, scale .45s cubic-bezier(.25,1,.4,1),
  box-shadow .3s ease, filter .3s ease; }
.btc-stage.code-on .artboard.brd { filter: saturate(.55); }

.btc-cta-preview { position: absolute; z-index: 4; left: 16.8%; top: 12.62%;
  width: 16.5%; height: 1.58%; display: flex; align-items: center; justify-content: center;
  border-radius: 999px; background: var(--btc-cta); color: var(--btc-cta-text);
  font: 500 3.8px/1 Inter, Rubik, sans-serif; opacity: 0; transform: scale(.82);
  transform-origin: center; transition: opacity .28s ease, transform .42s cubic-bezier(.25,1,.4,1); }
.btc-stage .brd.btc-updated .btc-cta-preview { opacity: 1; transform: none; }

.btc-view-switch { display: inline-flex; align-items: center; padding: 2px;
  margin-left: var(--space-1); border-radius: 8px; background: var(--pen-ag-soft);
  border: 1px solid var(--pen-inbr); }
.btc-view-switch button { min-width: 52px; height: 22px; padding: 0 9px; border: 0;
  border-radius: 6px; background: transparent; color: var(--pen-ag-gray);
  font: 500 11px/1 Inter, Rubik, sans-serif; cursor: pointer; }
.btc-view-switch button:hover { color: var(--pen-ag-text); background: var(--pen-hover); }
.btc-view-switch button:active { transform: scale(.97); }
.btc-view-switch button.on { background: var(--pen-card); color: var(--pen-ag-text);
  box-shadow: 0 1px 2px var(--btc-code-shadow); }
.btc-view-switch button:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 1px; }

.btc-codeview { position: absolute; z-index: 3; left: 382px; right: 226px; top: 50px; bottom: 46px;
  display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--btc-code-border);
  border-radius: 10px; background: var(--btc-code-bg); color: var(--btc-code-text);
  box-shadow: 0 18px 48px var(--btc-code-shadow); opacity: 0; visibility: hidden;
  transform: translateY(10px) scale(.985); transform-origin: center;
  transition: opacity .28s ease, transform .45s cubic-bezier(.25,1,.4,1), visibility 0s linear .45s; }
.btc-stage.code-on .btc-codeview { opacity: 1; visibility: visible; transform: none;
  transition-delay: 0s; }
.btc-code-head { min-height: 42px; padding: 0 14px; display: flex; align-items: center;
  gap: var(--space-2); background: var(--btc-code-raised); border-bottom: 1px solid var(--btc-code-border);
  font: 500 11px/1 Inter, Rubik, sans-serif; }
.btc-code-file { display: flex; align-items: center; gap: 7px; min-width: 0; }
.btc-code-file svg { width: 13px; height: 13px; color: var(--btc-code-muted); }
.btc-code-file span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btc-code-head .sp { flex: 1; }
.btc-diffstat { display: flex; gap: 7px; opacity: 0; transform: translateY(2px);
  transition: opacity .25s ease, transform .25s ease; }
.btc-diffstat .add { color: var(--btc-add); }
.btc-diffstat .remove { color: var(--btc-remove); }
.btc-stage.diff-on .btc-diffstat { opacity: 1; transform: none; }

.btc-code-body { flex: 1; min-height: 0; padding: 18px 0 14px; overflow: hidden;
  font: 400 12px/1.55 "Roboto Mono", ui-monospace, monospace; }
.btc-line { min-height: 23px; display: grid; grid-template-columns: 42px 18px minmax(0, 1fr);
  align-items: center; padding-right: 18px; white-space: pre; }
.btc-line .no { color: var(--btc-code-faint); text-align: right; padding-right: 12px; user-select: none; }
.btc-line .mark { color: var(--btc-code-faint); text-align: center; user-select: none; }
.btc-line code { overflow: hidden; text-overflow: ellipsis; color: var(--btc-code-text); font: inherit; }
.btc-line .kw { color: var(--btc-code-keyword); }
.btc-line .tag { color: var(--btc-code-tag); }
.btc-line .str { color: var(--btc-code-string); }
.btc-line .mut { color: var(--btc-code-muted); }
.btc-line.btc-old { transition: color .25s ease, background .25s ease; }
.btc-line.btc-new { opacity: 0; transform: translateY(4px);
  transition: opacity .28s ease, transform .35s cubic-bezier(.25,1,.4,1); }
.btc-stage.diff-on .btc-line.btc-old { color: var(--btc-remove); background: var(--btc-remove-soft); }
.btc-stage.diff-on .btc-line.btc-old .mark,
.btc-stage.diff-on .btc-line.btc-old code { color: var(--btc-remove); }
.btc-stage.diff-on .btc-line.btc-new { opacity: 1; transform: none; background: var(--btc-add-soft); }
.btc-stage.diff-on .btc-line.btc-new .mark,
.btc-stage.diff-on .btc-line.btc-new code { color: var(--btc-add); }
.btc-stage.diff-on .btc-line.btc-new:nth-of-type(9) { transition-delay: .08s; }

.btc-sync { min-height: 48px; padding: 0 12px 0 14px; display: flex; align-items: center;
  gap: 9px; background: var(--btc-code-raised); border-top: 1px solid var(--btc-code-border);
  font: 500 11px/1 Inter, Rubik, sans-serif; color: var(--btc-code-muted); }
.btc-sync-icon { position: relative; width: 16px; height: 16px; flex: 0 0 16px;
  border: 1.5px solid var(--btc-code-faint); border-top-color: var(--btc-code-text);
  border-radius: 50%; animation: btc-spin .8s linear infinite; }
.btc-sync-copy { transition: color .25s ease; }
.btc-sync .sp { flex: 1; }
.btc-open { height: 28px; padding: 0 10px; border: 1px solid var(--btc-code-border);
  border-radius: 7px; background: var(--btc-code-text); color: var(--btc-code-bg);
  font: 600 11px/1 Inter, Rubik, sans-serif; opacity: .42; cursor: default;
  transition: opacity .25s ease, transform .14s ease; }
.btc-stage.ready .btc-sync-icon { border: 0; background: var(--btc-add); animation: none; }
.btc-stage.ready .btc-sync-icon::after { content: '\2713'; position: absolute; inset: 0;
  display: grid; place-items: center; color: var(--btc-code-bg); font: 700 10px/1 Inter, sans-serif; }
.btc-stage.ready .btc-sync-copy { color: var(--btc-add); }
.btc-stage.ready .btc-open { opacity: 1; cursor: pointer; }
.btc-stage.ready .btc-open:hover { transform: translateY(-1px); }
.btc-stage.ready .btc-open:active { transform: scale(.97); }
.btc-stage.ready .btc-open:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 2px; }
@keyframes btc-spin { to { transform: rotate(1turn); } }

.btc-stage .pen-agent-body { overflow: hidden; }
.btc-thread { width: 100%; display: flex; flex-direction: column; gap: var(--space-2); }
.btc-msg { max-width: 92%; padding: 8px 10px; border-radius: 10px;
  font: 400 11px/1.4 Inter, Rubik, sans-serif; opacity: 0; transform: translateY(5px);
  transition: opacity .26s ease, transform .32s cubic-bezier(.25,1,.4,1); }
.btc-msg.on { opacity: 1; transform: none; }
.btc-msg.user { align-self: flex-end; background: var(--pen-ag-text); color: var(--pen-ag-side); }
.btc-msg.agent { align-self: flex-start; color: var(--pen-ag-text); background: var(--pen-ag-soft);
  border: 1px solid var(--pen-ag-border); }
.btc-msg.agent b { display: block; margin-bottom: 2px; color: var(--pen-ag-gray); font-weight: 600; }
.btc-msg.agent.ready-msg { border-color: var(--btc-add); }

/* ---- Feature · Pen tool & vector precision -------------------------- */
.pt-stage .boards, .shader-stage .boards { opacity: 1; }
.pt-stage .artboard.brd, .shader-stage .artboard.brd {
  transition: opacity .28s ease, scale .45s cubic-bezier(.25,1,.4,1), box-shadow .35s ease;
}
.artboard.brd.pt-board { overflow: visible; background-color: var(--vector-canvas);
  background-image: radial-gradient(circle,
    color-mix(in srgb, var(--vector-ink) 9%, transparent) .8px, transparent .9px);
  background-size: 16px 16px;
  box-shadow: 0 18px 48px color-mix(in srgb, var(--vector-ink) 14%, transparent); }
.pt-board::after { content: ''; position: absolute; inset: 0; z-index: 8; pointer-events: none;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--vector-ink) 8%, transparent); }
.pt-vector { position: absolute; inset: 0; z-index: 2; display: block; width: 100%; height: 100%;
  overflow: visible; }
.pt-fill { fill: url(#pt-vector-fill); opacity: 0; transition: opacity .34s ease; }
.pt-stage.pt-closed .pt-fill-before { opacity: .9; }
.pt-stage.pt-precise .pt-fill-before { opacity: 0; }
.pt-stage.pt-precise .pt-fill-after { opacity: .9; }
.pt-segment { fill: none; stroke: var(--pen-sel); stroke-width: 2.2; stroke-linecap: round;
  stroke-dasharray: 100 104; stroke-dashoffset: 100; opacity: 0;
  transition: stroke-dashoffset .5s cubic-bezier(.32,.72,.24,1), opacity .24s ease; }
.pt-segment.on { stroke-dashoffset: 0; opacity: 1; }
.pt-stage .pt-segment-after.on { opacity: 0; }
.pt-stage.pt-precise .pt-segment-before { opacity: 0; }
.pt-stage.pt-precise .pt-segment-after.on { opacity: 1; }
.pt-handles { opacity: 0; transition: opacity .26s ease; }
.pt-handles path { fill: none; stroke: var(--pen-sel); stroke-width: 1.25; stroke-dasharray: 3 3; }
.pt-handles circle { fill: var(--vector-canvas); stroke: var(--pen-sel); stroke-width: 1.5; }
.pt-stage.pt-handles-on .pt-handles-before { opacity: 1; }
.pt-stage.pt-precise .pt-handles-before { opacity: 0; }
.pt-stage.pt-precise .pt-handles-after { opacity: 1; }
.pt-node { fill: var(--vector-canvas); stroke: var(--pen-sel); stroke-width: 1.5; opacity: 0;
  transform-box: fill-box; transform-origin: center; transform: scale(.72);
  transition: opacity .2s ease, transform .32s cubic-bezier(.25,1,.4,1); }
.pt-node.on { opacity: 1; transform: none; }
.pt-path-bounds { position: absolute; z-index: 3; left: 178px; top: 108px; width: 302px; height: 308px;
  border: 1.5px solid var(--pen-sel); opacity: 0; pointer-events: none;
  transition: opacity .24s ease; }
.pt-vector-dim { position: absolute; z-index: 4; left: 329px; top: 426px; translate: -50% 0;
  padding: 4px 7px; border-radius: 4px; background: var(--pen-sel); color: var(--btc-cta-text);
  font: 600 10px/1 Inter, Rubik, sans-serif; white-space: nowrap; opacity: 0;
  transition: opacity .24s ease; }
.pt-stage.pt-ready .pt-path-bounds, .pt-stage.pt-ready .pt-vector-dim { opacity: 1; }
.pt-property-grid, .pt-path-meta { display: grid; grid-template-columns: 1fr auto; gap: 7px 12px;
  align-items: center; font: 400 11px/1.35 Inter, Rubik, sans-serif; color: var(--pen-title); }
.pt-property-grid b, .pt-path-meta b { color: var(--pen-val); font: 500 11px/1 "Roboto Mono", monospace; }
.pt-path-state { margin-top: 10px; padding: 8px 9px; border: 1px solid var(--pen-inbr);
  border-radius: 7px; background: var(--pen-input); color: var(--pen-val);
  font: 500 10.5px/1.25 Inter, Rubik, sans-serif; transition: color .22s ease, border-color .22s ease; }
.pt-stage.pt-ready .pt-path-state { color: color-mix(in srgb, var(--btc-add) 72%, var(--pen-val));
  border-color: color-mix(in srgb, var(--btc-add) 45%, transparent); }
.pt-fill-value { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; gap: 7px;
  align-items: center; min-height: 26px; padding: 0 7px; border: 1px solid var(--pen-inbr);
  border-radius: 6px; background: var(--pen-input); color: var(--pen-val);
  font: 400 10.5px/1 Inter, Rubik, sans-serif; }
.pt-fill-value b { font-weight: 500; color: var(--pen-pre); }
.pt-fill-swatch { width: 14px; height: 14px; border-radius: 4px;
  background: linear-gradient(135deg, var(--vector-violet), var(--shader-cyan) 48%, var(--shader-rose));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--vector-ink) 10%, transparent); }

/* ---- Feature · Shaders on canvas ------------------------------------ */
.artboard.brd.shader-board { overflow: hidden; isolation: isolate; background: var(--shader-deep);
  box-shadow: 0 20px 56px color-mix(in srgb, var(--shader-deep) 42%, transparent); }
.shader-board::after { content: ''; position: absolute; inset: 0; z-index: 4; pointer-events: none;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--shader-glint) 9%, transparent); }
.shader-atmosphere { position: absolute; inset: -12%; z-index: 0;
  background:
    radial-gradient(circle at 26% 34%, color-mix(in srgb, var(--shader-violet) 28%, transparent), transparent 34%),
    radial-gradient(circle at 74% 66%, color-mix(in srgb, var(--shader-cyan) 20%, transparent), transparent 36%),
    radial-gradient(circle at 69% 23%, color-mix(in srgb, var(--shader-rose) 14%, transparent), transparent 30%),
    var(--shader-deep);
  transform: scale(.98); opacity: .72;
  transition: transform 1s cubic-bezier(.25,1,.4,1), opacity .5s ease; }
.shader-canvas { position: absolute; inset: 0; z-index: 1; display: block; width: 100%; height: 100%;
  opacity: .54; transform: scale(.94); transform-origin: center;
  transition: opacity .38s ease, transform .72s cubic-bezier(.25,1,.4,1); }
.shader-stage.shader-on .shader-canvas { opacity: 1; transform: none; }
.shader-stage.shader-on .shader-atmosphere { opacity: 1; transform: none; }
.shader-canvas.shader-fallback { background:
    radial-gradient(ellipse at 36% 36%, var(--shader-glint) 0 4%, transparent 18%),
    linear-gradient(132deg, var(--shader-violet), var(--shader-cyan) 42%, var(--shader-rose) 70%, var(--shader-deep));
  clip-path: polygon(29% 17%, 53% 10%, 76% 22%, 86% 47%, 75% 74%, 51% 85%, 28% 75%, 14% 52%, 17% 30%); }
.shader-art-label { position: absolute; z-index: 3; left: 22px; right: 22px; bottom: 18px;
  display: flex; align-items: center; justify-content: space-between; color: var(--shader-glint);
  font: 500 10px/1 Inter, Rubik, sans-serif; letter-spacing: .08em; text-transform: uppercase;
  opacity: .62; transition: opacity .28s ease; }
.shader-art-label b { font: 500 10px/1 "Roboto Mono", monospace; }
.shader-stage.shader-ready .shader-art-label { opacity: .92; }
.shader-material { width: 100%; min-height: 32px; padding: 0 8px; display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 16px; gap: 7px; align-items: center;
  border: 1px solid var(--pen-btnbr); border-radius: 7px; background: var(--pen-btnbg);
  color: var(--pen-val); font: 500 11px/1 Inter, Rubik, sans-serif; text-align: left; cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .14s ease; }
.shader-material svg { width: 14px; height: 14px; color: var(--pen-pre); }
.shader-material-swatch { width: 16px; height: 16px; border-radius: 5px;
  background: linear-gradient(135deg, var(--shader-violet), var(--shader-cyan) 46%, var(--shader-rose));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--shader-deep) 18%, transparent); }
.shader-stage.shader-on .shader-material { border-color: color-mix(in srgb, var(--vector-violet) 55%, var(--pen-btnbr));
  background: color-mix(in srgb, var(--vector-violet) 10%, var(--pen-btnbg)); }
.shader-material:active { transform: scale(.98); }
.shader-material:focus-visible, .shader-control input:focus-visible { outline: 2px solid var(--pen-sel); outline-offset: 2px; }
.shader-control { display: grid; grid-template-columns: 1fr auto; gap: 7px 10px; align-items: center;
  margin-top: 11px; color: var(--pen-val); font: 500 10.5px/1 Inter, Rubik, sans-serif; }
.shader-control:first-of-type { margin-top: 0; }
.shader-control output { color: var(--pen-pre); font: 500 10px/1 "Roboto Mono", monospace; }
.shader-control input { grid-column: 1 / -1; width: 100%; height: 18px; margin: 0;
  appearance: none; -webkit-appearance: none; background: transparent; cursor: pointer; }
.shader-control input::-webkit-slider-runnable-track { height: 4px; border-radius: 999px;
  background: color-mix(in srgb, var(--pen-val) 18%, transparent); }
.shader-control input::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -5px;
  border: 2px solid var(--pen-card); border-radius: 50%; appearance: none; -webkit-appearance: none;
  background: var(--vector-violet); box-shadow: 0 0 0 1px color-mix(in srgb, var(--vector-violet) 38%, var(--pen-val)); }
.shader-control input::-moz-range-track { height: 4px; border-radius: 999px;
  background: color-mix(in srgb, var(--pen-val) 18%, transparent); }
.shader-control input::-moz-range-thumb { width: 12px; height: 12px; border: 2px solid var(--pen-card);
  border-radius: 50%; background: var(--vector-violet); }
.shader-meta { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center;
  color: var(--pen-title); font: 400 10.5px/1.2 Inter, Rubik, sans-serif; }
.shader-meta b { color: var(--pen-val); font-weight: 500; }
.shader-status { display: flex; align-items: center; gap: 7px; margin-top: 11px; padding: 8px 9px;
  border: 1px solid var(--pen-inbr); border-radius: 7px; background: var(--pen-input);
  color: var(--pen-val); font: 500 10.5px/1.2 Inter, Rubik, sans-serif; }
.shader-status i { width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: var(--pen-pre);
  transition: background .24s ease, box-shadow .24s ease; }
.shader-stage.shader-ready .shader-status i { background: var(--btc-add);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--btc-add) 16%, transparent); }

/* Website Animation is a paired showcase: the full Web editor first, then a dedicated
   portrait Mobile card driven by its own scene instance. */
.website-variant-label {
  margin: 0 0 10px;
  color: var(--hmut);
  font: 600 11px/1 Inter, Rubik, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.website-mobile-variant {
  width: min(390px, 100%);
  margin: var(--space-11) auto 0;
  container: website-mobile / inline-size;
}
#c [data-website-card="mobile"] { width: 100%; }
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] {
  border-radius: 20px; /* same as .scene-mobile; the chat composer is 4.5px tighter (15.5px) */
  width: 100%;
  max-width: none;
  height: calc(123.58cqw + 260px);
  aspect-ratio: auto;
  overflow: clip;
}
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .cam {
  pointer-events: none;
  touch-action: pan-y;
}
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard.brd {
  cursor: default;
}
/* Default and named Landing views expose only their target. This keeps the
   portrait crop clean without moving the neighboring Mobile frame away from
   the shared 32px source grid used by Fit all screens. */
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"]:not([data-mobile-canvas-view]) .artboard[data-k]:not([data-k="landing"]),
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"][data-mobile-canvas-view="landing"] .artboard[data-k]:not([data-k="landing"]) {
  opacity: 0;
  pointer-events: none;
}
/* Frame metadata counter-scales the desktop zoom so it stays readable. Large
   portrait chip jumps temporarily preview a second compositor scale, which can
   magnify that metadata before layout zoom commits. The portrait canvas cannot
   directly edit frames, so keep only the stable selection outline there. */
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .ab-label,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .hnd,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .dim {
  display: none !important;
}
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .pen-agent-side,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .pen-props,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-widget,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-zoom,
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .hud { display: none; }

#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-rail {
  left: 65px;
  top: -87px;
  scale: 1.45;
  transform-origin: left top;
}
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"]:not(.chrome-off) .boards {
  --abz: var(--z, 1);
  transform: translate(
    calc(var(--panx, 0px) + var(--zoom-shift-x, 0px)),
    calc(var(--pany, 0px) + var(--zoom-shift-y, 0px))
  );
}
#c [data-website-card="mobile"] [data-k="wide"].mobile-wide-staged {
  opacity: 0;
  transition: none;
}
#c [data-website-card="mobile"] [data-k="wide"].mobile-wide-staged.mobile-wide-ready {
  opacity: 1;
  transition: opacity .16s ease-out;
}
.c-mobile-chat { display: none; }
#c [data-website-card="mobile"] .c-mobile-chat {
  position: absolute;
  z-index: 80;
  left: 0;
  right: 0;
  top: 123.58cqw;
  height: 260px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  overflow: hidden;
  background: transparent;
  color: var(--pen-ag-text);
  opacity: 1;
  pointer-events: none;
  transition: opacity .26s ease-out;
}
#c [data-website-card="mobile"] .chrome-off .c-mobile-chat {
  opacity: 0;
  pointer-events: none;
}
#c [data-website-card="mobile"] .c-mobile-chat-actions {
  display: flex;
  gap: 8px;
  width: 100%;
  padding: 2px 48px 2px 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 0 48px;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
#c [data-website-card="mobile"] .c-mobile-chat-actions::-webkit-scrollbar { display: none; }
#c [data-website-card="mobile"] .c-mobile-chat-actions:focus-visible {
  outline: 2px solid var(--pen-sel);
  outline-offset: 2px;
  border-radius: 8px;
}
#c [data-website-card="mobile"] .c-mobile-chat-actions-viewport {
  position: relative;
  min-width: 0;
  margin-top: auto;
  pointer-events: auto;
}
#c [data-website-card="mobile"] .c-mobile-chat-action {
  flex: 0 0 auto;
  width: max-content;
  max-width: calc(100cqw - 28px);
  height: 44px;
  min-height: 44px;
  margin: 0;
  padding-inline: 16px;
  border-color: var(--pen-ag-chipbr);
  background: color-mix(in srgb, var(--pen-ag-card) 92%, transparent);
  box-shadow: none;
  text-shadow: none;
  filter: none;
  font: 400 clamp(12px, 3.5cqw, 14px)/42px Inter, Rubik, sans-serif;
  scroll-snap-align: start;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
#c [data-website-card="mobile"] .c-mobile-chat-action:active {
  background: var(--pen-ag-soft);
  transform: scale(.99);
}
#c [data-website-card="mobile"] .c-mobile-chat-action:focus-visible {
  outline: 2px solid var(--pen-sel);
  outline-offset: 2px;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 12px 8px 8px 12px;
  border: 0;
  border-radius: 15.5px;
  background: var(--pen-ag-card);
  box-shadow: var(--pen-ag-shadow);
  pointer-events: auto;
  transition: box-shadow .16s ease-out;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer:focus-within {
  box-shadow: var(--pen-ag-shadow), 0 0 0 2px color-mix(in srgb, var(--pen-sel) 18%, transparent);
}
#c [data-website-card="mobile"] .c-mobile-chat-composer .ph {
  min-height: 34px;
  font: 400 13px/1.4 Inter, Rubik, sans-serif;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer .pen-agent-foot {
  min-width: 0;
  gap: 10px;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer button.plus,
#c [data-website-card="mobile"] .c-mobile-chat-composer button.opt {
  min-height: 30px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  white-space: nowrap;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer button.plus {
  min-width: 0;
  color: var(--pen-ag-text);
  font-size: 17px;
  opacity: .8;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer button.opt {
  color: var(--pen-ag-gray);
}
#c [data-website-card="mobile"] .c-mobile-chat-composer button.amber {
  color: var(--pen-ag-amber);
  font-weight: 500;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer .c-mobile-chat-model {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer .c-mobile-chat-model svg {
  flex: 0 0 auto;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer button.plus:focus-visible,
#c [data-website-card="mobile"] .c-mobile-chat-composer button.opt:focus-visible,
#c [data-website-card="mobile"] .c-mobile-chat-composer .pen-send:focus-visible {
  outline: 2px solid var(--pen-sel);
  outline-offset: 2px;
}
#c [data-website-card="mobile"] .c-mobile-chat-composer .pen-send {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
}
#c [data-website-card="mobile"] .chrome-off .c-mobile-chat-actions-viewport,
#c [data-website-card="mobile"] .chrome-off .c-mobile-chat-composer {
  pointer-events: none;
}
#c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] .toasts {
  display: none !important;
}

/* Silver Coffee follows Website Animation with an independent portrait card beneath
   the complete desktop editor. The camera remains the shared 1440 × 810 Pen
   camera, while one readable phone occupies the portrait canvas focus. */
.mobile-app-mobile-variant {
  width: min(390px, 100%);
  margin: var(--space-11) auto 0;
  container: mobile-app-mobile / inline-size;
}
#mobile-app [data-mobile-app-card="mobile"] { width: 100%; }
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] {
  border-radius: 20px; /* same as .scene-mobile; the chat composer is 4.5px tighter (15.5px) */
  width: 100%;
  max-width: none;
  height: calc(180cqw + 260px);
  aspect-ratio: auto;
  overflow: clip;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .cam {
  pointer-events: none;
  touch-action: pan-y;
  transition-timing-function: cubic-bezier(.32,.72,.24,1);
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .mobile-screen-set {
  transform-origin:
    var(--mobile-portrait-screen-origin-x, 50%)
    var(--mobile-portrait-screen-origin-y, 50%);
  transform: translateZ(0) scale(1);
  transition: transform .95s cubic-bezier(.32,.72,.24,1);
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"].chrome-off .mobile-screen-set {
  transform: translateZ(0) scale(var(--mobile-portrait-construction-scale, 1));
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard.brd {
  cursor: default;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .ab-label,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .hnd,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .artboard .dim {
  display: none !important;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .pen-agent-side,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .pen-props,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-widget,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-zoom,
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .hud {
  display: none;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .stage-rail {
  left: 65px;
  top: -87px;
  scale: 1.45;
  transform-origin: left top;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"]:not(.chrome-off) .boards {
  --abz: var(--z, 1);
  transform: translate(
    calc(var(--panx, 0px) + var(--zoom-shift-x, 0px)),
    calc(var(--pany, 0px) + var(--zoom-shift-y, 0px))
  );
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-screen-board {
  opacity: 0;
  visibility: hidden;
  transform: translate3d(14px, 0, 0) scale(.985);
  pointer-events: none;
  transition: opacity .28s ease-out, transform .5s cubic-bezier(.25,1,.4,1),
    visibility 0s linear .5s;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-screen-board.mobile-portrait-current:not(.pre) {
  z-index: 8;
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0s;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-portrait-grid .mobile-screen-board:not(.pre):not(.mobile-user-hidden) {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-portrait-camera-moving .mobile-screen-set {
  transition: none;
  transform-origin: 0 0;
  will-change: transform;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-portrait-camera-moving
  .mobile-screen-board:not(.pre):not(.mobile-user-hidden) {
  opacity: 1;
  visibility: visible;
  transition: none;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-screen-board.mobile-portrait-away {
  z-index: 1;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat {
  position: absolute;
  z-index: 80;
  left: 0;
  right: 0;
  top: 180cqw;
  height: 260px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  overflow: hidden;
  background: transparent;
  color: var(--pen-ag-text);
  opacity: 1;
  pointer-events: none;
  transition: opacity .26s ease-out;
}
#mobile-app [data-mobile-app-card="mobile"] .chrome-off .mobile-app-chat {
  opacity: 0;
  pointer-events: none;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-actions-viewport {
  position: relative;
  min-width: 0;
  margin-top: auto;
  pointer-events: auto;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-actions {
  display: flex;
  gap: 8px;
  width: 100%;
  padding: 2px 48px 2px 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 0 48px;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-actions::-webkit-scrollbar {
  display: none;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-action {
  flex: 0 0 auto;
  width: max-content;
  max-width: calc(100cqw - 28px);
  height: 44px;
  min-height: 44px;
  margin: 0;
  padding-inline: 16px;
  border-color: var(--pen-ag-chipbr);
  background: color-mix(in srgb, var(--pen-ag-card) 92%, transparent);
  box-shadow: none;
  text-shadow: none;
  filter: none;
  font: 400 clamp(12px, 3.5cqw, 14px)/42px Inter, Rubik, sans-serif;
  scroll-snap-align: start;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-action:focus-visible {
  outline: 2px solid var(--pen-sel);
  outline-offset: 2px;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 12px 8px 8px 12px;
  border: 0;
  border-radius: 15.5px;
  background: var(--pen-ag-card);
  box-shadow: var(--pen-ag-shadow);
  pointer-events: auto;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer .ph {
  min-height: 34px;
  font: 400 13px/1.4 Inter, Rubik, sans-serif;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer .pen-agent-foot {
  min-width: 0;
  gap: 10px;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer button.plus,
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer button.opt {
  min-height: 30px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--pen-ag-gray);
  font: inherit;
  white-space: nowrap;
  touch-action: manipulation;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer button.plus {
  color: var(--pen-ag-text);
  font-size: 17px;
  opacity: .8;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer button.amber {
  color: var(--pen-ag-amber);
  font-weight: 500;
}
#mobile-app [data-mobile-app-card="mobile"] .mobile-app-chat .c-mobile-chat-composer .pen-send {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  touch-action: manipulation;
}
#mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] .toasts {
  display: none !important;
}

@media (hover: hover) and (pointer: fine) {
  .shader-material:hover { background: var(--pen-hover); }
  .shader-stage.shader-on .shader-material:hover {
    background: color-mix(in srgb, var(--vector-violet) 15%, var(--pen-btnbg));
  }
  #c [data-website-card="mobile"] .c-mobile-chat-action:hover { background: var(--pen-ag-soft); }
}

@media (max-width: 767px) {
  .feature-head h2 { font-size: 24px; }
  .btc-codeview { left: 350px; right: 180px; top: 44px; bottom: 34px; }
}

@media (max-width: 447px) {
  .website-mobile-variant,
  .mobile-app-mobile-variant {
    position: relative;
    left: 50%;
    width: min(calc(100% + 56px), 390px);
    max-width: none;
    translate: -50% 0;
  }
  .website-mobile-variant .website-variant-label,
  .mobile-app-mobile-variant .website-variant-label { padding-inline: 14px; }
}

@media (max-width: 390px) {
  #c [data-website-card="mobile"] [data-mobile-layout="portrait-chat"] {
    border-inline: 0;
    border-radius: 0;
  }
  #mobile-app [data-mobile-app-card="mobile"] [data-mobile-layout="portrait-chat"] {
    border-inline: 0;
    border-radius: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  #c *, #c *::before, #c *::after,
  #mobile-app *, #mobile-app *::before, #mobile-app *::after,
  #back-to-code *, #back-to-code *::before, #back-to-code *::after,
  #pen-tool *, #pen-tool *::before, #pen-tool *::after,
  #shaders *, #shaders *::before, #shaders *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
  #c .caret, #mobile-app .caret, #back-to-code .caret, #pen-tool .caret, #shaders .caret { animation: none; opacity: 1; }
  .thermal-wide-canvas { display: none; }
}