.page-guide-menu, .etu-guide-popover { --guide-surface: var(--surface-solid, var(--card-bg, var(--bg-secondary, #fff))); --guide-surface-soft: color-mix(in srgb, var(--guide-surface) 88%, var(--primary-color, #007bff) 12%); --guide-text: var(--text-main, var(--text-color, #333)); --guide-muted: var(--text-muted, #666); --guide-accent: var(--primary-color, #007bff); --guide-accent-contrast: var(--text-on-accent, #fff); --guide-border: var(--border-hard, rgba(0, 0, 0, .1)); --guide-shadow: var(--shadow-lg, 0 10px 15px var(--shadow-color, rgba(0, 0, 0, .1))); }
.page-guide-menu button { cursor: pointer; font: inherit; }
.page-guide-menu { box-sizing: border-box; width: min(480px, calc(100vw - 32px)); max-height: 85dvh; padding: 28px; border: 1px solid var(--guide-border); border-radius: 20px; background-color: var(--guide-surface) !important; background-image: none !important; color: var(--guide-text); font: 15px/1.5 var(--font-family, system-ui, sans-serif); box-shadow: var(--guide-shadow); opacity: 1; backdrop-filter: none; }
.page-guide-menu::backdrop { background: var(--overlay-bg, rgba(0, 0, 0, .4)); }
.page-guide-menu h2 { margin: 4px 28px 12px 0; font-size: 24px; }
.page-guide-close { position: absolute; right: 14px; top: 10px; border: 0; background: transparent; color: var(--guide-muted); font-size: 28px !important; }
.page-guide-eyebrow { color: var(--guide-accent); font-size: 11px; font-weight: 750; letter-spacing: .13em; margin: 0; }
.page-guide-chapters { display: grid; gap: 10px; margin: 20px 0; }
.page-guide-chapters button { display: flex; justify-content: space-between; gap: 12px; text-align: left; border: 1px solid var(--guide-border); border-radius: 10px; padding: 14px; background-color: var(--guide-surface-soft); color: var(--guide-text); }
.page-guide-chapters small { white-space: nowrap; color: var(--guide-accent); }
.page-guide-note { font-size: 12px; color: var(--guide-muted); }
.page-guide-menu button:focus-visible, .etu-guide-popover button:focus-visible { outline: 3px solid var(--guide-accent); outline-offset: 3px; }
.driver-popover.etu-guide-popover { background: var(--card-bg, var(--bg-secondary, #fff)); color: var(--text-main, var(--text-color, #333)); border: 1px solid var(--border-hard, rgba(0, 0, 0, .1)); border-radius: 16px; padding: 22px; box-shadow: var(--shadow-lg, 0 10px 15px var(--shadow-color, rgba(0, 0, 0, .1))); max-width: min(350px, calc(100vw - 32px)); font-family: var(--font-family, system-ui, sans-serif); }
.etu-guide-popover .driver-popover-title { font: 700 19px/1.3 var(--font-family, system-ui, sans-serif); }
.etu-guide-popover .driver-popover-description { font: 14px/1.6 var(--font-family, system-ui, sans-serif); margin-top: 10px; }
.etu-guide-popover .driver-popover-close-btn { color: var(--text-muted, #666); width: 32px; height: 32px; font-size: 22px; }
.etu-guide-popover .driver-popover-close-btn:hover, .etu-guide-popover .driver-popover-close-btn:focus { color: var(--text-main, var(--text-color, #333)); }
.etu-guide-popover .driver-popover-footer button { border: 1px solid var(--border-hard, rgba(0, 0, 0, .1)); border-radius: 8px; padding: 8px 12px; background: var(--surface-solid-soft, var(--bg-tertiary, #eee)); color: var(--text-main, var(--text-color, #333)); text-shadow: none; font-size: 13px; }
.etu-guide-popover .driver-popover-footer button[hidden] { display: none !important; }
.etu-guide-popover .driver-popover-footer .driver-popover-next-btn { background: var(--primary-color, #007bff); color: var(--text-on-accent, #fff); }
.etu-guide-popover .driver-popover-arrow { border-color: var(--card-bg, var(--bg-secondary, #fff)); }
.etu-guide-popover .driver-popover-arrow-side-left { border-right-color: transparent; border-bottom-color: transparent; border-top-color: transparent; }
.etu-guide-popover .driver-popover-arrow-side-right { border-left-color: transparent; border-bottom-color: transparent; border-top-color: transparent; }
.etu-guide-popover .driver-popover-arrow-side-top { border-right-color: transparent; border-bottom-color: transparent; border-left-color: transparent; }
.etu-guide-popover .driver-popover-arrow-side-bottom { border-left-color: transparent; border-top-color: transparent; border-right-color: transparent; }
.etu-guide-action-hint { margin: 12px 0 0; color: var(--text-muted, #666); font-size: 13px; font-weight: 600; }
.driver-active .etu-guide-target-button { outline: 3px solid var(--primary-color, #007bff) !important; outline-offset: 3px; background-color: var(--primary-color, #007bff) !important; color: var(--text-on-accent, #fff) !important; }
.driver-active .cour.driver-active-element { outline: 3px solid var(--primary-color, #007bff) !important; outline-offset: 3px; }
.driver-active #sidebar:has(> #sidebar-expand-hint.driver-active-element) { overflow: visible !important; }
.driver-active #sidebar #sidebar-expand-hint.driver-active-element { background: var(--primary-color, #007bff); opacity: 1 !important; }
@media (prefers-reduced-motion: reduce) { .driver-active * { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }