src/demo/server_frontend/styles.css

:root {
  color-scheme: light;
  --app-bg: #f5f6f6;
  --surface: #ffffff;
  --surface-muted: #f8f9f9;
  --border: #dfe3e1;
  --border-strong: #c6ceca;
  --text: #17201e;
  --muted: #68716f;
  --viewer: #101413;
  --primary: #087f62;
  --primary-hover: #066b53;
  --accent: #c27616;
  --surface-hover: #edf8f4;
  --upload-hover: #f0f7f4;
  --ready-bg: #edf8f4;
  --ready-hover: #e3f4ee;
  --ready-border: #8ac6b5;
  --ready-text: #075e49;
  --danger-border: #e59a9a;
  --danger-text: #9f2929;
  --panel-shadow: 0 8px 28px rgba(23, 32, 30, 0.055);
  --button-shadow: 0 4px 12px rgba(8, 127, 98, 0.16);
  --toast-shadow: 0 8px 28px rgba(23, 32, 30, 0.16);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --app-bg: #101513;
  --surface: #1a211f;
  --surface-muted: #141a18;
  --border: #303a36;
  --border-strong: #46534e;
  --text: #edf2f0;
  --muted: #9da9a5;
  --viewer: #080b0a;
  --primary: #2fb88e;
  --primary-hover: #42c79b;
  --accent: #e2a14d;
  --surface-hover: #20332c;
  --upload-hover: #1c2924;
  --ready-bg: #193027;
  --ready-hover: #1e3a30;
  --ready-border: #3e7f69;
  --ready-text: #9ce2cc;
  --danger-border: #8f4a4a;
  --danger-text: #ffb2b2;
  --panel-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
  --button-shadow: 0 4px 12px rgba(0, 0, 0, 0.24);
  --toast-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  min-height: 100%;
  margin: 0;
  background: var(--app-bg);
  color: var(--text);
}

button, input { font: inherit; }

.app-shell {
  width: calc(100% - clamp(28px, 5vw, 64px));
  max-width: 1240px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 2px 18px;
}

.app-header h1 {
  display: flex;
  align-items: baseline;
  flex: 1;
  flex-wrap: wrap;
  gap: 0.35em;
  margin: 0;
  line-height: 1.2;
}

.app-header h1 strong {
  font-size: clamp(1.75rem, 2.5vw, 2.2rem);
  font-weight: 720;
}

.app-header h1 span {
  color: var(--muted);
  font-size: clamp(0.92rem, 1.35vw, 1.08rem);
  font-weight: 550;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 9px;
}

.project-links {
  display: flex;
  gap: 9px;
}

.header-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
  transition: border-color 150ms ease-out, background 150ms ease-out;
}

.header-actions a:hover {
  border-color: var(--primary);
  background: var(--surface-hover);
}

.kiosk-launch {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}
.kiosk-launch:hover { background: var(--primary-hover); }

.theme-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.theme-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.theme-track {
  position: relative;
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: var(--border-strong);
  transition: background 150ms ease-out;
}

.theme-track::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface);
  content: "";
  transition: background 150ms ease-out, transform 150ms ease-out;
}

.theme-toggle input:checked + .theme-track { background: var(--primary); }
.theme-toggle input:checked + .theme-track::after { background: #ffffff; transform: translateX(12px); }
.theme-toggle input:focus-visible + .theme-track { outline: 2px solid var(--primary); outline-offset: 3px; }
.theme-toggle:hover { border-color: var(--primary); }

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 2fr) minmax(360px, 3fr);
  align-items: stretch;
  gap: 18px;
  margin-bottom: 26px;
}

.tool-panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--panel-shadow);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-width: 0;
  min-height: 56px;
  padding: 17px 12px 15px;
  border-bottom: 1px solid var(--border);
}

.panel-heading h2 {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 9px;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.panel-heading h2 span {
  color: var(--accent);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.panel-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.2;
}

.source-panel .panel-heading p {
  flex: 1;
  min-width: 0;
  margin-left: 12px;
  font-size: clamp(0.58rem, 0.72vw, 0.66rem);
  text-align: right;
}

.panel-content { padding: 12px; }

.upload-surface {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 510px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
  cursor: pointer;
  transition: border-color 150ms ease-out, background 150ms ease-out;
}

.upload-surface:hover,
.upload-surface.dragover {
  border-color: var(--primary);
  background: var(--upload-hover);
}

.upload-surface input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.upload-surface img {
  width: 100%;
  height: 510px;
  object-fit: contain;
  background: var(--surface-muted);
}

.upload-surface img { cursor: pointer; }

.camera-stage {
  position: relative;
  width: min(100%, 680px);
  max-width: 100%;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #050706;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.camera-stage[data-format="portrait"] {
  width: auto;
  height: 510px;
  aspect-ratio: 3 / 4;
}

.camera-stage video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.camera-stage[data-crop="full"] video { object-fit: contain; }

.upload-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  text-align: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.upload-empty strong { color: var(--text); font-size: 0.9rem; }
.upload-empty small { font-size: 0.75rem; }

.camera-options {
  position: absolute;
  top: 12px;
  left: 50%;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 7px;
  width: min(94%, 390px);
  padding: 8px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--panel-shadow);
  color: var(--text);
  transform: translateX(-50%);
  backdrop-filter: blur(8px);
}

.camera-select-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  width: 100%;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.camera-select-control select {
  min-width: 0;
  min-height: 34px;
  padding: 0 28px 0 9px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.74rem;
  text-overflow: ellipsis;
  cursor: pointer;
}

.camera-select-control select:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.camera-select-control select:disabled { cursor: not-allowed; opacity: 0.65; }

.format-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}

.format-control legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.format-control label { cursor: pointer; }
.format-control input { position: absolute; opacity: 0; }

.format-control span {
  display: grid;
  place-items: center;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.format-control label:first-of-type span { border-radius: 5px 0 0 5px; }
.format-control label:last-of-type span { border-left: 0; border-radius: 0 5px 5px 0; }
.format-control input:checked + span {
  border-color: var(--primary);
  background: var(--ready-bg);
  color: var(--ready-text);
}
.format-control input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

.crop-control {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-size: 0.73rem;
  font-weight: 600;
  cursor: pointer;
}

.crop-control input { accent-color: var(--primary); }
.camera-options small { color: var(--muted); font-size: 0.67rem; }

.camera-actions {
  position: absolute;
  bottom: 16px;
  left: 50%;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--panel-shadow);
  transform: translateX(-50%);
  backdrop-filter: blur(8px);
}

.camera-actions button,
.camera-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
  cursor: pointer;
}

.camera-actions button:hover:not(:disabled),
.camera-button:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--surface-hover);
}

.camera-actions .camera-capture {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.camera-actions .camera-capture:hover:not(:disabled) {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

.camera-button:disabled,
.camera-actions button:disabled { cursor: not-allowed; opacity: 0.55; }

.source-actions,
.download-bar {
  display: flex;
  gap: 10px;
  padding: 0 12px 12px;
}

#reconstructButton {
  flex: 1;
  min-height: 46px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--button-shadow);
}

#reconstructButton:hover:not(:disabled) {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

#reconstructButton:disabled { cursor: not-allowed; opacity: 0.55; }

.kiosk-cooldown {
  display: block;
  width: calc(100% - 24px);
  margin: 0 12px 12px;
  padding: 12px 14px;
  border: 1px solid var(--ready-border);
  border-radius: 6px;
  background-color: var(--ready-bg);
  background-image: linear-gradient(
    to right,
    var(--ready-hover) calc(var(--cooldown-progress, 0) * 100%),
    transparent calc(var(--cooldown-progress, 0) * 100%)
  );
  color: var(--ready-text);
  text-align: center;
  cursor: default;
}

.kiosk-cooldown strong {
  font-size: 1.15em;
  font-variant-numeric: tabular-nums;
}

.kiosk-cooldown small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.kiosk-brand, .kiosk-welcome { display: none; }

:root[data-kiosk="on"] {
  --app-bg: #090d0c;
  --surface: #111917;
  --surface-muted: #0d1311;
  --border: #26342e;
  --border-strong: #3d5148;
  --text: #f0f5f2;
  --muted: #a0b0a8;
  --primary: #b8f34a;
  --primary-hover: #d0ff72;
  --accent: #b8f34a;
  --surface-hover: #1c2a22;
  --upload-hover: #111917;
  --viewer: #070a09;
  --ready-bg: #172317;
  --ready-hover: #263923;
  --ready-border: #718b4a;
  --ready-text: #d9ff9c;
}

:root[data-kiosk="on"] body {
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% -20%, #213628 0%, #0a100d 55%, #070a09 100%);
}

:root[data-kiosk="on"] .app-shell { width: min(96vw, 1800px); max-width: none; }
:root[data-kiosk="on"] .app-header { padding: 18px 1.4vw 8px; }
:root[data-kiosk="on"] .app-header h1, :root[data-kiosk="on"] .theme-toggle { display: none; }
:root[data-kiosk="on"] .kiosk-launch { display: none; }
:root[data-kiosk="on"] .kiosk-brand { display: flex; align-items: center; gap: 13px; color: #f5f8f5; }
.kiosk-brand-mark { display: grid; place-items: center; width: 48px; height: 48px; border: 2px solid #b8f34a; border-radius: 14px 14px 14px 4px; color: #b8f34a; font-size: 1.8rem; font-weight: 900; transform: rotate(-5deg); }
.kiosk-brand > span:nth-child(2) { display: grid; gap: 2px; }
.kiosk-brand strong { font-size: .96rem; letter-spacing: .14em; }
.kiosk-brand small { color: #adbbb2; font-size: .61rem; font-weight: 750; letter-spacing: .2em; }
.kiosk-brand i { width: 1px; height: 36px; margin: 0 5px; background: #46564b; }
.kiosk-brand-tagline { color: #d6e1d9; font-size: .69rem; font-style: normal; font-weight: 850; letter-spacing: .08em; line-height: 1.35; }
:root[data-kiosk="on"] .kiosk-welcome { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 12px 1.4vw 20px; }
.kiosk-start { display: none; }
:root[data-kiosk="on"] .kiosk-start { display: inline-flex; align-items: center; gap: 16px; margin-top: 18px; padding: 13px 18px; border: 0; border-radius: 6px; background: #b8f34a; color: #10170b; font-size: .86rem; font-weight: 850; cursor: pointer; }
:root[data-kiosk="on"] .kiosk-start:hover { background: #d0ff72; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .source-panel { display: block; position: fixed; right: 24px; bottom: 24px; z-index: 10; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .kiosk-welcome { min-height: 54vh; align-items: center; justify-content: center; text-align: center; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .kiosk-welcome > div:first-child { max-width: 800px; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .kiosk-welcome p { margin-inline: auto; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .kiosk-instructions { display: none; }
:root[data-kiosk="on"][data-kiosk-state="welcome"] .workspace { display: none; }
:root[data-kiosk="on"][data-kiosk-state="processing"] .kiosk-welcome { display: none; }
.kiosk-eyebrow { color: #b8f34a; font-size: .72rem; font-weight: 800; letter-spacing: .2em; }
.kiosk-welcome h2 { margin: 6px 0; font-size: clamp(1.8rem, 4vw, 3.8rem); letter-spacing: -.045em; line-height: 1; }
.kiosk-welcome h2 em { color: #b8f34a; font-style: normal; }
.kiosk-welcome p { max-width: 650px; margin: 9px 0 0; color: #b0beb6; font-size: clamp(.8rem, 1.15vw, 1rem); }
.kiosk-camera-picker { display: grid; grid-template-columns: auto minmax(180px, 280px); align-items: center; justify-content: center; gap: 12px; margin: 20px auto 0; color: #b8f34a; font-size: .68rem; font-weight: 850; letter-spacing: .15em; text-align: left; }
.kiosk-camera-picker select { min-height: 44px; padding: 0 38px 0 13px; border: 1px solid #536756; border-radius: 6px; background: #111a14; color: #f1f7f2; font: inherit; font-size: .82rem; font-weight: 600; letter-spacing: 0; }
.kiosk-camera-picker select:disabled { opacity: .6; }
.kiosk-instructions { display: grid; grid-template-columns: auto auto; align-items: center; gap: 4px 9px; flex-shrink: 0; padding: 12px 15px; border: 1px solid #35453b; border-radius: 9px; background: #121a16; color: #e3eee6; font-size: .82rem; font-weight: 700; }
.kiosk-instructions small { grid-column: 2; color: #9eaea4; font-size: .7rem; font-weight: 500; }
.kiosk-instructions b { color: #b8f34a; font-weight: 700; }
.kiosk-live-dot { width: 9px; height: 9px; border-radius: 50%; background: #b8f34a; box-shadow: 0 0 12px #b8f34a; }
:root[data-kiosk="on"] .kiosk-display-controls { position: absolute; top: 14px; right: 14px; z-index: 5; display: flex; gap: 8px; }
.kiosk-display-controls { display: none; }
.kiosk-display-controls button { min-height: 40px; padding: 0 13px; border: 1px solid #536756; border-radius: 6px; background: #101713eF; color: #f0f5f2; font-size: .73rem; font-weight: 750; cursor: pointer; backdrop-filter: blur(10px); }
.kiosk-display-controls button:hover { border-color: #b8f34a; color: #d8ff99; }
.kiosk-display-controls button[aria-pressed="true"] { border-color: #718b4a; color: #d9ff9c; }
:root[data-kiosk="on"] .app-shell:fullscreen { width: 100vw; max-width: none; min-height: 100vh; overflow: auto; background: #090d0c; }
:root[data-kiosk="on"] .app-shell:fullscreen .viewer-shell { height: min(78vh, 1100px); }
:root[data-kiosk="on"] .workspace { grid-template-columns: minmax(0, 1fr); gap: 0; margin: 0 1.4vw 12px; }
:root[data-kiosk="on"] .source-panel { display: none; }
:root[data-kiosk="on"] .viewer-panel { border-color: #2e4035; border-radius: 12px; background: #0d1310; box-shadow: 0 18px 70px #0009, 0 0 0 1px #b8f34a18; }
:root[data-kiosk="on"] .viewer-panel > .panel-heading { display: none; }
:root[data-kiosk="on"] .viewer-content { padding: 10px; }
:root[data-kiosk="on"] .viewer-shell { height: min(68vh, 820px); min-height: 380px; border-radius: 8px; }
:root[data-kiosk="on"] .viewer-tools, :root[data-kiosk="on"] .download-bar { display: none; }
:root[data-kiosk="on"] .kiosk-display-controls { display: flex; }
:root[data-kiosk="on"] .kiosk-cooldown { position: fixed; right: 20px; bottom: 18px; z-index: 8; width: auto; min-width: 210px; margin: 0; border-color: #3d5148; background-color: #101713ee; background-image: none; color: #e5efe8; text-align: right; cursor: default; backdrop-filter: blur(12px); }
:root[data-kiosk="on"] .kiosk-cooldown small { color: #a2b1a7; }
:root[data-kiosk="on"] .kiosk-cooldown::before { content: "FUBAR LABS · LIVE CAPTURE"; display: block; margin-bottom: 4px; color: #b8f34a; font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
:root[data-kiosk="on"] .toast { top: auto; bottom: 20px; left: 20px; transform: translateY(8px); }
:root[data-kiosk="on"] .toast.visible { transform: translateY(0); }
:root[data-kiosk="on"][data-kiosk-state="showcase"] .viewer-state { display: none; }
:root[data-kiosk="on"][data-kiosk-state="processing"] .viewer-frame[src] { opacity: 1; }
:root[data-kiosk="on"] .examples-section, :root[data-kiosk="on"] .project-links { display: none; }

@media (max-width: 700px) {
  :root[data-kiosk="on"] .kiosk-welcome { align-items: start; flex-direction: column; gap: 12px; }
  :root[data-kiosk="on"] .kiosk-instructions { display: none; }
  :root[data-kiosk="on"] .viewer-shell { height: 62vh; min-height: 330px; }
  :root[data-kiosk="on"] .kiosk-display-controls { top: 8px; right: 8px; flex-direction: column; }
  :root[data-kiosk="on"] .kiosk-cooldown { right: 12px; bottom: 12px; }
}

:root[data-kiosk="on"] .examples-section,
:root[data-kiosk="on"] .project-links { display: none; }

.viewer-shell {
  position: relative;
  width: 100%;
  height: 510px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--viewer);
}

.viewer-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.viewer-preloader {
  position: absolute;
  width: 1px;
  height: 1px;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.viewer-state {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #f4f7f6;
  text-align: center;
  transition: opacity 180ms ease-out, visibility 180ms ease-out;
}

.viewer-state strong { font-size: 0.9rem; font-weight: 650; }
.viewer-state span { color: #94a19d; font-size: 0.75rem; }

.viewer-indicator {
  width: 32px;
  height: 2px;
  margin-bottom: 7px;
  background: #46514e;
}

.viewer-shell[data-state="loading"] .viewer-indicator,
.viewer-shell[data-state="timeout"] .viewer-indicator {
  width: 34px;
  height: 34px;
  border: 3px solid #35413d;
  border-top-color: #34d399;
  border-radius: 50%;
  background: transparent;
  animation: viewer-spin 0.9s linear infinite;
}

.viewer-shell[data-state="error"] .viewer-indicator {
  width: 32px;
  height: 3px;
  background: #f87171;
}

.viewer-shell[data-state="ready"] .viewer-frame { opacity: 1; }
.viewer-shell[data-state="ready"] .viewer-state { visibility: hidden; opacity: 0; }

@keyframes viewer-spin { to { transform: rotate(360deg); } }

.viewer-tools {
  display: grid;
  gap: 8px;
  padding: 0 12px 12px;
}

.viewer-tool-row {
  display: grid;
  grid-template-columns: auto minmax(80px, 1fr) 44px auto;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.viewer-tool-row input[type="range"] { width: 100%; accent-color: var(--primary); }
.viewer-tool-row output { color: var(--text); font-variant-numeric: tabular-nums; text-align: right; }

.viewer-tool-row button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 650;
  cursor: pointer;
}

.viewer-tool-row button:hover:not(:disabled) { border-color: var(--primary); background: var(--surface-hover); }
.viewer-tool-row button:disabled, .viewer-tool-row input:disabled { cursor: not-allowed; opacity: 0.5; }
.export-z-row { grid-template-columns: minmax(155px, auto) minmax(80px, 1fr) 44px; }
.bake-z-control { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.bake-z-control input { accent-color: var(--primary); }

.artifact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 650;
  text-decoration: none;
  transition: border-color 150ms ease-out, background 150ms ease-out;
}

.artifact-button.ready {
  border-color: var(--ready-border);
  background: var(--ready-bg);
  color: var(--ready-text);
}

.artifact-button.ready:hover {
  border-color: var(--primary);
  background: var(--ready-hover);
}

.artifact-button.disabled { color: var(--muted); pointer-events: none; }

.examples-section {
  margin-bottom: 36px;
  padding: 4px 2px 0;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 11px;
}

.section-heading h2 { margin: 0; font-size: 0.9rem; font-weight: 700; }
.section-heading span { color: var(--muted); font-size: 0.75rem; }

.examples-grid {
  display: grid;
  grid-template-columns: repeat(28, minmax(0, 1fr));
  grid-auto-flow: row dense;
  grid-auto-rows: 158px;
  gap: 10px;
}

.example-item {
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
}

.example-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 150ms ease-out, transform 150ms ease-out;
}

.example-item:hover img { opacity: 0.9; transform: scale(1.015); }
.example-item:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  z-index: 20;
  max-width: min(90vw, 620px);
  padding: 9px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.8rem;
  box-shadow: var(--toast-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 180ms ease-out, transform 180ms ease-out;
}

.toast.visible { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: var(--danger-border); color: var(--danger-text); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .viewer-indicator { animation-duration: 1.8s !important; }
}

@media (max-width: 980px) {
  .app-shell { width: calc(100% - 28px); }
  .workspace { grid-template-columns: 1fr; }
  .upload-surface { min-height: 420px; }
  .upload-surface img, .viewer-shell { height: 420px; }
  .camera-stage[data-format="landscape"] { width: min(100%, 560px); }
  .camera-stage[data-format="portrait"] { height: 420px; }
  .examples-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .example-item { grid-column: span 2 !important; }
}

@media (max-width: 560px) {
  .app-shell { width: calc(100% - 20px); }
  .app-header { align-items: flex-start; flex-direction: column; gap: 13px; padding: 22px 2px 15px; }
  .app-header h1 strong { font-size: 1.7rem; }
  .app-header h1 span { font-size: 0.9rem; }
  .header-actions { width: 100%; justify-content: space-between; }
  .panel-heading { min-height: 52px; padding: 14px; }
  .source-panel .panel-heading p { margin-left: 8px; }
  .panel-content { padding: 9px; }
  .source-actions, .download-bar, .viewer-tools { padding: 0 9px 9px; }
  .kiosk-cooldown { width: calc(100% - 18px); margin: 0 9px 9px; }
  .viewer-tool-row { grid-template-columns: 1fr 44px auto; }
  .viewer-tool-row > label:first-child { grid-column: 1 / -1; }
  .export-z-row { grid-template-columns: minmax(0, 1fr) 44px; }
  .upload-surface { min-height: 360px; }
  .upload-surface img, .viewer-shell { height: 360px; }
  .camera-stage[data-format="landscape"] { width: min(100%, 480px); }
  .camera-stage[data-format="portrait"] { height: 360px; }
  .examples-section { margin-bottom: 24px; padding: 0; }
  .examples-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 132px; }
  .example-item { grid-column: span 2 !important; }
  .example-item:last-child:nth-child(odd) { grid-column: span 4 !important; }
}