.notebook-theme-picker{background:var(--bg-tint);border:1px solid var(--border);border-radius:10px;padding:1rem 1.1rem;margin:0}.notebook-theme-picker__legend{color:var(--brand-primary-dark);font-size:1rem;font-weight:700;padding:0;float:left;width:100%;margin-bottom:.85rem}.notebook-theme-picker__legend+*{clear:left}.notebook-theme-picker__help{color:var(--text-muted);font-size:.9rem;line-height:1.45;margin:0 0 .85rem}.notebook-theme-picker__help strong{color:var(--text-primary)}.notebook-theme-picker__presets{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.notebook-theme-picker__preset{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;cursor:pointer;display:flex;flex-direction:column;font-weight:400;gap:.5rem;padding:.75rem .85rem;position:relative;transition:border-color .15s,box-shadow .15s,transform .1s}.notebook-theme-picker__preset:hover{border-color:var(--border-hover)}.notebook-theme-picker__preset:focus-within{border-color:var(--brand-primary);box-shadow:var(--focus-ring)}.notebook-theme-picker__preset--selected{background:var(--bg-selected);border-color:var(--brand-primary);box-shadow:0 0 0 1px var(--brand-primary)}.notebook-theme-picker__preset input[type=radio]{position:absolute;top:.7rem;right:.7rem;margin:0;accent-color:var(--brand-primary)}.notebook-theme-picker__preset-body{display:flex;flex-direction:column;gap:.5rem;padding-right:1.25rem}.notebook-theme-picker__preset-heading{color:var(--text-primary);font-size:.95rem;font-weight:700}.notebook-theme-picker__preset-description{color:var(--text-muted);font-size:.825rem;line-height:1.4}.notebook-theme-picker__swatch{align-items:center;border:1px solid var(--border);border-radius:8px;display:flex;gap:.5rem;min-height:56px;padding:.6rem .75rem;position:relative}.notebook-theme-picker__swatch>span:first-of-type{font-size:1.4rem;font-weight:700;line-height:1}.notebook-theme-picker__swatch>span:nth-of-type(2){font-size:.85rem}.notebook-theme-picker__swatch-accent{border-radius:999px;display:inline-block;height:6px;margin-left:auto;width:24px}.notebook-theme-picker__custom{display:grid;gap:.85rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--border)}.notebook-theme-picker__colour-field{color:var(--text-primary);display:flex;flex-direction:column;font-size:.9rem;font-weight:600;gap:.35rem}.notebook-theme-picker__colour-controls{align-items:center;display:flex;gap:.5rem}.notebook-theme-picker__colour-controls input[type=color]{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;cursor:pointer;flex:0 0 auto;height:38px;padding:2px;width:44px}.notebook-theme-picker__colour-controls input[type=color]:disabled{cursor:not-allowed;opacity:.55}.notebook-theme-picker__colour-controls input[type=text]{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);flex:1 1 auto;font:inherit;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-weight:400;min-width:0;padding:.5rem .65rem;text-transform:uppercase;transition:border-color .15s,box-shadow .15s}.notebook-theme-picker__colour-controls input[type=text]:focus{border-color:var(--brand-primary);box-shadow:var(--focus-ring);outline:none}.notebook-theme-picker__font-row{margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--border)}.notebook-theme-picker__font{color:var(--text-primary);display:flex;flex-direction:column;font-size:.9rem;font-weight:600;gap:.35rem;max-width:320px}.notebook-theme-picker__font select{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font:inherit;font-weight:400;padding:.5rem .65rem;transition:border-color .15s,box-shadow .15s}.notebook-theme-picker__font select:focus{border-color:var(--brand-primary);box-shadow:var(--focus-ring);outline:none}.notebook-theme-picker__font-warning{background:var(--bg-warning);border:1px solid var(--border-warning);border-left-width:4px;border-radius:6px;color:var(--text-warning);font-size:.85rem;line-height:1.45;margin:.6rem 0 0;max-width:520px;padding:.55rem .7rem}.notebook-theme-picker__font-warning strong{font-weight:600}.notebook-theme-picker:disabled,.notebook-theme-picker[disabled]{opacity:.65}