@font-face { font-family: Manrope; src: url("fonts/Manrope.ttf") format("truetype"); font-style: normal; font-weight: 200 800; font-display: swap; }
:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #17191e;
  --muted: #626771;
  --faint: #6c727c;
  --line: #e7e9ed;
  --surface: #f6f7f9;
  --accent: #3158ed;
  --accent-hover: #2345cc;
  --accent-soft: #eef2ff;
  --accent-fill: #3158ed;
  --raised: #ffffff;
  --headline-secondary: #6d727b;
  --selection: #dce5ff;
  --hover-surface: #e9edf5;
  --hover-accent: #f5f7ff;
  --accent-line: #dbe2ff;
  --image-hover-line: #b9c7fb;
  --ease: cubic-bezier(.22, 1, .36, 1);
  font-family: Manrope, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  scroll-behavior: smooth;
  scroll-padding-top: 180px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #101217;
  --ink: #eef1f7;
  --muted: #aab3c2;
  --faint: #9ba6b8;
  --line: #2b3341;
  --surface: #181d26;
  --raised: #222936;
  --accent: #a4b4ff;
  --accent-fill: #3b5fe8;
  --accent-hover: #3454d0;
  --accent-soft: #242e4e;
  --headline-secondary: #9fa9ba;
  --selection: #334365;
  --hover-surface: #2c3545;
  --hover-accent: #202a44;
  --accent-line: #3a4770;
  --image-hover-line: #7d94eb;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { border: 0; cursor: pointer; }
button:disabled { cursor: default; opacity: .3; }
a { color: inherit; text-decoration: none; }
button, h1, h2, h3, p, ol { margin: 0; }
button:focus-visible, a:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { color: var(--ink); background: var(--selection); }
[hidden] { display: none !important; }
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 20px; height: 20px; flex: 0 0 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.shell { width: min(1224px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 50; padding: 12px 20px; background: var(--ink); color: var(--paper); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 30; height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-inline: max(56px, calc((100vw - 1224px) / 2)); background: var(--paper); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: -.9px; white-space: nowrap; }
.brand-period { color: var(--accent); }
.brand-symbol { display: grid; place-items: center; width: 32px; height: 32px; }
.brand-symbol svg { width: 30px; height: 30px; fill: none; stroke: var(--ink); stroke-width: 2.1; stroke-linecap: square; }
.header-actions { display: flex; align-items: center; gap: 32px; }
.theme-control { position: relative; flex-shrink: 0; color: var(--muted); border: 1px solid var(--line); border-radius: 7px; background: var(--paper); }
.theme-select { position: relative; z-index: 1; display: block; width: 108px; height: 42px; padding: 0 24px 0 35px; border: 0; border-radius: inherit; appearance: none; cursor: pointer; color: var(--ink); background: transparent; font-size: 12px; font-weight: 650; }
.theme-select option { color: var(--ink); background: var(--paper); }
.theme-symbol { position: absolute; top: 13px; left: 12px; width: 16px; height: 16px; pointer-events: none; }
.theme-symbol-light, .theme-symbol-dark { display: none; }
:root[data-theme-preference="light"] .theme-symbol-auto, :root[data-theme-preference="dark"] .theme-symbol-auto { display: none; }
:root[data-theme-preference="light"] .theme-symbol-light, :root[data-theme-preference="dark"] .theme-symbol-dark { display: block; }
.theme-chevron { position: absolute; right: 9px; top: 16px; width: 11px; height: 11px; fill: none; stroke: currentColor; stroke-width: 1.5; pointer-events: none; }
.language-switch { display: flex; align-items: center; gap: 3px; }
.language-switch button { display: grid; place-items: center; min-width: 44px; height: 44px; padding: 0 8px; border-radius: 5px; color: var(--faint); background: transparent; font-size: 13px; font-weight: 600; }
.language-switch button[aria-pressed="true"] { color: var(--ink); font-weight: 800; }
.language-switch > span { color: #b0b5bd; font-size: 12px; }
.header-download { display: flex; align-items: center; gap: 18px; min-height: 44px; font-size: 13px; font-weight: 650; }
.header-download .icon { width: 16px; height: 16px; flex-basis: 16px; }
.page-progress { position: absolute; bottom: -1px; left: 0; width: 100%; height: 2px; overflow: hidden; }
.page-progress span { display: block; width: 100%; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; }
.hero { padding-top: 74px; padding-bottom: 34px; }
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 35px; font-size: 10px; letter-spacing: 2px; font-weight: 650; }
.status-indicator { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.eyebrow-index { margin-left: auto; color: var(--faint); font-size: 11px; letter-spacing: 1px; }
h1 { position: relative; width: fit-content; max-width: 100%; font-size: clamp(68px, 7.6vw, 108px); font-weight: 650; letter-spacing: -.065em; line-height: 1.21; text-wrap: balance; }
.hero-second-line { color: var(--headline-secondary); }
.hero-asterisk { position: absolute; top: 8px; right: -95px; display: block; width: 60px; height: 60px; color: var(--accent); transform: rotate(12deg); }
.hero-asterisk svg { display: block; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 8; }
.hero-description { margin-top: 28px; color: var(--muted); font-size: 15px; letter-spacing: .3px; }
.guide-choice { margin-top: 30px; }
.guide-choice-label { margin-bottom: 10px; color: var(--muted); font-size: 11px; letter-spacing: .4px; }
.guide-mode-switch { display: flex; width: fit-content; max-width: 100%; padding: 5px; gap: 5px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.guide-mode-switch button { display: flex; align-items: baseline; justify-content: center; gap: 9px; min-height: 48px; min-width: 160px; padding: 10px 18px; border-radius: 6px; color: var(--muted); background: transparent; transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease; }
.guide-mode-switch button > span { font-size: 13px; font-weight: 750; }
.guide-mode-switch button > small { font-size: 11px; }
.guide-mode-switch button[aria-pressed="true"] { color: var(--accent); background: var(--raised); box-shadow: 0 2px 8px #17191e09; }
.session-hint { margin-top: 12px; padding-left: 13px; border-left: 2px solid var(--accent); color: var(--muted); font-size: 12px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 32px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 54px; padding: 14px 22px; border-radius: 7px; font-size: 14px; font-weight: 650; line-height: 1.6; transition: background 200ms ease, color 200ms ease, box-shadow 200ms ease; }
.button-primary { color: white; background: var(--accent-fill); }
.button-version { margin-left: 9px; font-size: 10px; font-weight: 500; letter-spacing: .2px; }
.button .icon { width: 18px; height: 18px; flex-basis: 18px; }
.hero-start { display: flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; color: var(--ink); font-size: 13px; font-weight: 600; }
.hero-start .icon { width: 16px; height: 16px; flex-basis: 16px; transition: transform 220ms var(--ease); }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 58px; padding-top: 21px; border-top: 1px solid var(--line); }
.hero-compatibility { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 11px; }
.hero-compatibility .icon { width: 15px; height: 15px; flex-basis: 15px; }
.meta-dot { margin-inline: 2px; color: #9ca2ad; }
.hero-side-note { color: var(--faint); font-size: 11px; letter-spacing: .6px; }
.guide-shell { width: min(960px, calc(100% - 112px)); margin-inline: auto; padding-top: 40px; }
.guide-toolbar { position: sticky; top: 88px; z-index: 20; display: flex; align-items: center; gap: 24px; min-height: 74px; margin-bottom: 32px; padding: 14px 0; border-bottom: 1px solid var(--line); background: var(--paper); }
.guide-toolbar-label { color: var(--muted); font-size: 11px; letter-spacing: .3px; margin-right: 2px; }
.step-navigation { display: flex; align-items: center; gap: 5px; }
.step-navigation a { display: grid; place-items: center; width: 42px; height: 42px; color: var(--faint); border-radius: 5px; font-size: 12px; font-weight: 550; transition: color 180ms ease, background 180ms ease; }
.step-navigation a[aria-current="step"] { background: var(--accent-soft); color: var(--accent); font-weight: 800; }
.browser-switch { display: flex; align-items: center; gap: 3px; padding: 3px; margin-left: auto; border-radius: 7px; background: var(--surface); }
.browser-switch button { min-width: 87px; min-height: 38px; padding: 6px 12px; border-radius: 5px; background: transparent; color: var(--muted); font-size: 12px; font-weight: 600; transition: color 180ms ease, box-shadow 180ms ease, background 180ms ease; }
.browser-switch button[aria-pressed="true"] { color: var(--ink); background: var(--raised); box-shadow: 0 1px 5px #17191e0b; }
.chapter { scroll-margin-top: 0; }
.chapter-heading { position: relative; display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px 22px; padding-block: 34px 28px; }
.chapter-label { color: var(--accent); font-size: 10px; letter-spacing: 1.6px; font-weight: 700; text-transform: uppercase; }
h2 { font-size: 31px; font-weight: 650; line-height: 1.4; letter-spacing: -1px; }
.chapter-range { margin-left: auto; font-size: 11px; color: var(--faint); letter-spacing: 2px; }
.step-list { padding: 0; list-style: none; }
.guide-step { padding-top: 26px; padding-bottom: 64px; scroll-margin-top: 0; }
.guide-step + .guide-step { padding-top: 40px; border-top: 1px solid var(--line); }
.step-heading { display: flex; align-items: center; gap: 14px; }
.step-number { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 34px; border: 1px solid var(--accent-line); border-radius: 50%; color: var(--accent); font-size: 11px; font-weight: 700; }
h3 { font-size: 23px; font-weight: 650; letter-spacing: -.6px; line-height: 1.5; }
.step-description { max-width: 790px; margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.download-inline { display: flex; align-items: center; gap: 13px; padding: 15px 18px; margin-top: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--raised); }
.file-symbol { display: grid; place-items: center; width: 42px; height: 44px; border-radius: 6px; color: var(--accent); background: var(--accent-soft); }
.file-details { display: grid; gap: 2px; margin-right: auto; }
.file-details strong { font-size: 13px; font-weight: 700; }
.file-details small { font-size: 10px; color: var(--muted); }
.file-details small span { margin-inline: 5px; color: #9da4af; }
.button-compact { min-height: 42px; padding: 8px 14px; border-radius: 5px; color: var(--ink); background: var(--surface); font-size: 12px; }
.button-compact .icon { width: 14px; height: 14px; flex-basis: 14px; }
.copy-address { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 22px; padding: 9px 10px 9px 18px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); }
.copy-address code { font: 13px/1.8 "Consolas", "SFMono-Regular", monospace; color: var(--ink); }
.copy-address button { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 12px; border-radius: 4px; background: var(--raised); color: var(--accent); font-size: 12px; font-weight: 600; transition: background 180ms; }
.copy-address .icon { width: 15px; height: 15px; flex-basis: 15px; }
.grok-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: 12px; color: var(--accent); font-size: 13px; font-weight: 650; }
.grok-link .icon { width: 15px; height: 15px; flex-basis: 15px; }
.redemption-links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 28px; }
.step-image-button { display: block; width: 100%; margin-top: 24px; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); cursor: zoom-in; text-align: left; transition: border-color 200ms ease, box-shadow 220ms ease; }
.step-image-button > img { display: block; width: 100%; height: auto; aspect-ratio: 960 / 600; }
.step-image-button > img[data-mobile-image="true"] { aspect-ratio: 600 / 760; }
.image-caption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 18px; border-top: 1px solid var(--line); color: var(--muted); background: var(--raised); font-size: 10px; letter-spacing: .3px; }
.image-zoom { display: flex; align-items: center; gap: 9px; color: var(--ink); }
.image-zoom .icon { width: 13px; height: 13px; flex-basis: 13px; transition: transform 200ms var(--ease); }
.chapter + .chapter { margin-top: 12px; border-top: 1px solid var(--line); }
.completion-note { display: flex; align-items: center; gap: 15px; margin-top: 32px; padding: 24px; border-radius: 8px; background: var(--surface); }
.completion-icon { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--accent-line); border-radius: 50%; background: var(--raised); color: var(--accent); }
.completion-note strong { display: block; font-size: 14px; font-weight: 650; }
.completion-note small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.site-footer { display: flex; align-items: center; gap: 24px; padding-block: 29px 36px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.footer-brand { color: var(--ink); font-size: 15px; font-weight: 750; letter-spacing: -.5px; }
.back-top { display: flex; align-items: center; gap: 9px; min-height: 44px; margin-left: auto; color: var(--ink); }
.back-top .icon { width: 14px; height: 14px; flex-basis: 14px; }
.mobile-view { display: none; }
.image-dialog { width: min(1260px, calc(100vw - 48px)); max-height: calc(100dvh - 48px); padding: 0; overflow: auto; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--raised); box-shadow: 0 30px 100px #1118273b; }
.image-dialog::backdrop { background: #141823b8; }
.image-viewer-toolbar { position: sticky; top: 0; display: flex; align-items: center; gap: 18px; min-height: 70px; padding: 10px 18px 10px 23px; border-bottom: 1px solid var(--line); background: var(--raised); font-size: 14px; }
#imageViewerIndex { flex-shrink: 0; white-space: nowrap; color: var(--accent); font-size: 11px; font-weight: 650; letter-spacing: 1px; }
#imageViewerTitle { font-size: 14px; font-weight: 650; }
.image-viewer-actions { display: flex; gap: 4px; margin-left: auto; }
.image-viewer-actions button { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 5px; color: var(--ink); background: var(--surface); }
.image-viewer-actions button:last-child { margin-left: 8px; }
.image-viewer-actions .icon { width: 18px; height: 18px; }
.image-dialog > img { display: block; width: 100%; height: auto; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 50; transform: translate(-50%, 12px); width: max-content; max-width: calc(100vw - 40px); padding: 13px 20px; border: 1px solid #303643; border-radius: 8px; color: white; background: #20242d; box-shadow: 0 8px 30px #17191e18; font-size: 12px; line-height: 1.7; opacity: 0; pointer-events: none; transition: opacity 180ms ease, transform 200ms var(--ease); }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.hero-eyebrow, .hero h1, .hero-description, .hero-actions { animation: arrive 480ms var(--ease) both; }
.hero h1 { animation-delay: 55ms; }.hero-description { animation-delay: 110ms; }.hero-actions { animation-delay: 160ms; }
.guide-step.is-seen .step-heading { animation: arrive 320ms var(--ease) both; }
@keyframes arrive { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@media (hover: hover) {
  .button-primary:hover { background: var(--accent-hover); box-shadow: 0 5px 20px #3158ed1a; }
  .button-compact:hover, .language-switch button:hover, .copy-address button:hover, .image-viewer-actions button:not(:disabled):hover { background: var(--hover-surface); }
  .hero-start:hover .icon { transform: translateY(3px); }
  .header-download:hover, .grok-link:hover, .back-top:hover { color: var(--accent); }
  .step-navigation a:hover { color: var(--accent); background: var(--hover-accent); }
  .step-image-button:hover { border-color: var(--image-hover-line); box-shadow: 0 8px 35px #2b3d6d08; }
  .step-image-button:hover .image-zoom .icon { transform: translate(2px, -2px); }
}
@media (max-width: 1100px) {
  .shell, .guide-shell { width: calc(100% - 80px); }.site-header { padding-inline: 40px; }
  h1 { font-size: 78px; }.hero-asterisk { width: 46px; height: 46px; right: -70px; }
  .hero { padding-top: 60px; }.guide-toolbar { gap: 16px; }.step-navigation { gap: 2px; }.step-navigation a { width: 38px; }
}
@media (min-width: 768px) and (max-width: 900px) {
  .shell, .guide-shell { width: calc(100% - 64px); }.site-header { padding-inline: 32px; }
  h1 { font-size: 68px; }.hero-asterisk { width: 40px; height: 40px; right: -56px; }
  .guide-toolbar-label { display: none; }.hero-side-note { display: none; }.browser-switch button { min-width: 78px; }
}
html[data-device="mobile"]:not([data-guide-mode="gpt-session"]) .desktop-only { display: none !important; }
html[data-device="mobile"]:not([data-guide-mode="gpt-session"]) .mobile-view { display: flex; }
@media (pointer: coarse) and (hover: none) {
  html:not([data-guide-mode="gpt-session"]) .desktop-only { display: none !important; }html:not([data-guide-mode="gpt-session"]) .mobile-view { display: flex; }
}
@media (max-width: 767px) {
  html:not([data-guide-mode="gpt-session"]) .desktop-only { display: none !important; }html:not([data-guide-mode="gpt-session"]) .mobile-view { display: flex; }
  .site-header { height: 76px; padding-inline: 24px; gap: 8px; }.header-actions { gap: 6px; }.brand { font-size: 18px; gap: 8px; }.brand-symbol { width: 26px; }.brand-symbol svg { width: 26px; }
  .theme-select { width: 44px; padding: 0; color: transparent; }
  .theme-symbol { left: 9px; }
  .theme-chevron { right: 3px; width: 9px; }
}
.mobile-view { min-height: calc(100dvh - 88px); flex-direction: column; justify-content: center; padding: 32px 28px 24px; }
.mobile-inner { width: min(420px, 100%); margin: auto; padding-top: 6px; text-align: center; }
.device-art { position: relative; width: 205px; height: 170px; margin: 0 auto 30px; color: #a9b3c6; }
.device-art svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; }
.device-art .device-cursor { stroke: var(--accent); fill: var(--accent-soft); stroke-width: 2; }.device-art circle { fill: #bdcaff; stroke: none; }
.device-art > span { position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%); color: #73819b; font-size: 8px; letter-spacing: 4px; }
.mobile-eyebrow { margin-bottom: 12px; color: var(--accent); font-size: 11px; letter-spacing: 1px; font-weight: 650; }
.mobile-inner h1 { width: 100%; font-size: 34px; font-weight: 650; line-height: 1.35; letter-spacing: -1px; text-wrap: balance; }
.mobile-description { margin-top: 19px; color: var(--muted); font-size: 14px; line-height: 1.95; text-wrap: pretty; }
.mobile-copy { width: 100%; margin-top: 28px; min-height: 52px; }
.mobile-copy.is-copied { background: var(--ink); color: var(--paper); }
.mobile-session-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; margin-top: 18px; color: var(--accent); font-size: 13px; font-weight: 700; }
.mobile-session-link .icon { width: 16px; height: 16px; flex-basis: 16px; }
.mobile-footnote { margin-top: 15px; color: var(--muted); font-size: 11px; }
.mobile-bottom { margin-top: 45px; text-align: center; color: var(--muted); font-size: 10px; }.mobile-bottom span { margin-inline: 7px; }
@media (max-width: 767px) { .mobile-view { min-height: calc(100dvh - 76px); } }
@media (max-width: 360px) { .site-header { padding-inline: 16px; }.brand { font-size: 16px; gap: 4px; }.mobile-view { padding-inline: 22px; }.mobile-inner h1 { font-size: 29px; }.device-art { width: 175px; height: 142px; margin-bottom: 25px; } }
@media (max-height: 570px) { .mobile-view { padding-block: 25px; }.device-art { width: 130px; height: 108px; margin-bottom: 20px; }.mobile-bottom { margin-top: 24px; } }
@media (max-width: 767px), (pointer: coarse) and (hover: none) {
  html[data-guide-mode="gpt-session"] { scroll-padding-top: 150px; }
  html[data-guide-mode="gpt-session"] .site-header { height: 76px; }
  html[data-guide-mode="gpt-session"] .shell, html[data-guide-mode="gpt-session"] .guide-shell { width: calc(100% - 40px); }
  html[data-guide-mode="gpt-session"] .hero { padding-top: 38px; padding-bottom: 20px; }
  html[data-guide-mode="gpt-session"] .hero-eyebrow { gap: 6px; margin-bottom: 24px; font-size: 8px; letter-spacing: 1px; }
  html[data-guide-mode="gpt-session"] h1 { font-size: clamp(39px, 11vw, 60px); line-height: 1.2; }
  html[data-guide-mode="gpt-session"] .hero-asterisk { display: none; }
  html[data-guide-mode="gpt-session"] .hero-description { margin-top: 23px; font-size: 14px; line-height: 1.9; }
  html[data-guide-mode="gpt-session"] .guide-choice { margin-top: 24px; }
  html[data-guide-mode="gpt-session"] .guide-mode-switch { display: grid; width: 100%; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px; padding: 4px; }
  html[data-guide-mode="gpt-session"] .guide-mode-switch button { flex-direction: column; align-items: center; justify-content: center; min-width: 0; min-height: 60px; padding: 8px 3px; gap: 2px; }
  html[data-guide-mode="gpt-session"] .guide-mode-switch button > span { font-size: 11px; }
  html[data-guide-mode="gpt-session"] .guide-mode-switch button > small { font-size: 10px; }
  html[data-guide-mode="gpt-session"] .hero-actions { flex-direction: column; align-items: stretch; gap: 8px; margin-top: 24px; }
  html[data-guide-mode="gpt-session"] .hero-bottom { margin-top: 26px; }
  html[data-guide-mode="gpt-session"] .hero-side-note, html[data-guide-mode="gpt-session"] .guide-toolbar-label { display: none; }
  html[data-guide-mode="gpt-session"] .guide-shell { padding-top: 20px; }
  html[data-guide-mode="gpt-session"] .guide-toolbar { top: 76px; min-height: 64px; margin-bottom: 16px; padding: 10px 0; }
  html[data-guide-mode="gpt-session"] .step-navigation a { width: 44px; height: 44px; }
  html[data-guide-mode="gpt-session"] .chapter-heading { display: grid; grid-template-columns: 1fr auto; gap: 9px; padding-block: 24px 16px; }
  html[data-guide-mode="gpt-session"] .chapter-label { grid-column: 1 / -1; }
  html[data-guide-mode="gpt-session"] h2 { font-size: 25px; }
  html[data-guide-mode="gpt-session"] h3 { font-size: 19px; }
  html[data-guide-mode="gpt-session"] .step-heading { gap: 10px; }
  html[data-guide-mode="gpt-session"] .step-number { width: 30px; height: 30px; flex-basis: 30px; }
  html[data-guide-mode="gpt-session"] .guide-step { padding-block: 24px 36px; }
  html[data-guide-mode="gpt-session"] .step-description { font-size: 14px; overflow-wrap: anywhere; }
  html[data-guide-mode="gpt-session"] .step-image-button { margin-top: 18px; border-radius: 8px; }
  html[data-guide-mode="gpt-session"] .image-caption { padding: 11px 12px; }
  html[data-guide-mode="gpt-session"] .completion-note { align-items: flex-start; padding: 16px; gap: 12px; }
  html[data-guide-mode="gpt-session"] .completion-icon { flex-shrink: 0; }
  html[data-guide-mode="gpt-session"] .site-footer { flex-wrap: wrap; gap: 8px 14px; }
  html[data-guide-mode="gpt-session"] .site-footer > span { order: 3; width: 100%; }
  .image-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); }
  .image-viewer-toolbar { gap: 6px; padding: 8px; }
  #imageViewerTitle { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
  .image-viewer-actions { flex-shrink: 0; }
  .image-viewer-actions button:last-child { margin-left: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }*, *::before, *::after { animation: none !important; transition: none !important; }
}