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@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer 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var(--manual-brand);outline-offset:4px}.manual-catalog-search-input{border:1px solid var(--manual-line-strong);border-radius:var(--manual-radius);background:var(--manual-surface);width:100%;min-height:40px;color:var(--manual-text);padding:8px 12px;font-size:.9rem}.manual-catalog-search-input::placeholder{color:var(--manual-muted)}.manual-catalog-search-input:focus{border-color:var(--manual-brand);box-shadow:0 0 0 3px var(--manual-focus-ring);outline:none}.manual-lesson-grid-empty{color:var(--manual-muted);text-align:center;grid-column:1/-1;margin:0;padding:20px 0 8px;font-size:.95rem;font-weight:700;display:none}.manual-lesson-grid-empty.is-visible{display:block}.manual-lesson-grid{grid-column:1/-1;grid-template-columns:subgrid;gap:18px;padding:18px 0 8px;display:grid}.manual-lesson-card{border:1px solid var(--manual-line);border-radius:var(--manual-radius);background:var(--manual-surface);cursor:pointer;text-align:left;width:100%;min-height:194px;font:inherit;color:inherit;gap:12px;padding:12px;text-decoration:none;transition:transform .16s,border-color .16s,box-shadow .16s,background .16s;display:grid;position:relative}.manual-lesson-card:hover{border-color:var(--manual-card-hover-border);box-shadow:0 16px 32px var(--manual-card-hover-shadow);transform:translateY(-2px)}.manual-thumb{border:1px solid var(--manual-line-strong);border-radius:var(--manual-radius);background:linear-gradient(135deg, #2563eb29, transparent 52%), linear-gradient(315deg, #0f766e21, transparent 44%), var(--manual-thumb-base);place-items:center;min-height:108px;display:grid;position:relative;overflow:hidden}.manual-thumb:after{content:"";pointer-events:none;background-image:linear-gradient(#64748b14 1px,#0000 1px),linear-gradient(90deg,#64748b14 1px,#0000 1px);background-size:22px 22px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 86%);mask-image:linear-gradient(#000,#0000 86%)}.manual-play{z-index:1;background:var(--manual-surface);border-radius:50%;place-items:center;width:46px;height:46px;display:grid;position:relative;box-shadow:0 12px 28px #0f172a2e}.manual-play:before{content:"";border-top:10px solid #0000;border-bottom:10px solid #0000;border-left:15px solid var(--manual-brand);width:0;height:0;margin-left:4px}.manual-lesson-copy{gap:6px;display:grid}.manual-lesson-card-title{margin:0;font-size:.98rem;font-weight:800;line-height:1.25}.manual-lesson-card p{color:var(--manual-muted);margin:0;font-size:.86rem;line-height:1.45}.manual-meta-row{color:var(--manual-muted);justify-content:space-between;align-items:center;gap:12px;font-size:.78rem;font-weight:700;display:flex}.manual-duration{background:var(--manual-surface-soft);min-height:26px;color:var(--manual-duration-fg);border-radius:999px;align-items:center;padding:4px 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var(--manual-video-stage-bg);cursor:pointer;place-items:center;min-height:270px;margin-bottom:22px;display:grid;position:relative;overflow:hidden}.manual-video-stage:focus-visible{outline-offset:3px;outline:3px solid #2563eb59}.manual-video-stage:before{content:"";border-radius:var(--manual-radius);pointer-events:none;z-index:0;border:1px dashed #64748b47;position:absolute;inset:14px}.manual-video-el{z-index:1;background:#000;width:100%;max-height:min(70vh,420px);position:relative}.manual-video-stage--drive{cursor:default}.manual-video-stage--drive:before{display:none}.manual-video-embed{z-index:1;background:#000;border:0;width:100%;height:min(70vh,420px);min-height:270px;display:block;position:relative}.manual-drive-pill{z-index:2;color:#f8fafc;pointer-events:none;background:#0f172ab8;border-radius:999px;padding:4px 10px;font-size:.72rem;font-weight:800;position:absolute;top:10px;right:10px}.manual-detail-title{margin:0 0 8px;font-size:1.5rem;line-height:1.22}.manual-detail-lede{color:var(--manual-muted);margin:0 0 22px;line-height:1.65}.manual-detail-subtitle{margin:28px 0 12px;font-size:1.1rem;line-height:1.3}.manual-notes{color:var(--manual-muted);margin:0;padding:0 0 0 1.15rem;line-height:1.65}.manual-notes li+li{margin-top:8px}.manual-steps{counter-reset:step;gap:14px;margin:0;padding:0;list-style:none;display:grid}.manual-steps li{min-height:48px;color:var(--manual-step-text);counter-increment:step;padding:0 0 0 58px;line-height:1.55;position:relative}.manual-steps li:before{content:counter(step);color:#fff;background:var(--manual-brand);border-radius:50%;place-items:center;width:36px;height:36px;font-size:.9rem;font-weight:900;display:grid;position:absolute;top:1px;left:0;box-shadow:0 8px 18px #2563eb47}@media (width<=620px){.manual-page{padding:12px 0 20px}.manual-catalog{display:block}.manual-panel-top{flex-direction:column;align-items:flex-start;padding:10px 0 12px}.manual-tabs-row{flex-direction:column;gap:12px;padding:12px 0 6px}.manual-lesson-grid{grid-template-columns:1fr;gap:14px;padding:14px 0 16px;display:grid}.manual-detail-inner{padding:8px 0 20px}.manual-video-stage{min-height:220px}.manual-steps li{padding-left:50px}}