.subject-shell[data-astro-cid-u4evgxt6]{--cbt-content: 900px}.empty[data-astro-cid-u4evgxt6]{margin:0;color:var(--cbt-muted)}.unit-form[data-astro-cid-u4evgxt6]{display:grid;gap:32px}.mode-fieldset[data-astro-cid-u4evgxt6]{min-width:0;margin:0;padding:0;border:0}.mode-fieldset[data-astro-cid-u4evgxt6] legend[data-astro-cid-u4evgxt6],.unit-section[data-astro-cid-u4evgxt6] h2[data-astro-cid-u4evgxt6]{margin:0 0 12px;color:var(--cbt-ink);font-size:15px;font-weight:720}.mode-grid[data-astro-cid-u4evgxt6]{display:grid;grid-template-columns:repeat(var(--mode-columns),minmax(0,1fr));gap:var(--cbt-gap)}.mode-option[data-astro-cid-u4evgxt6]{display:grid;min-height:68px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px 14px;cursor:pointer;transition:border-color var(--cbt-motion) var(--cbt-ease),background-color var(--cbt-motion) var(--cbt-ease)}.mode-option[data-astro-cid-u4evgxt6]:has(input:checked){box-shadow:none}.mode-option[data-astro-cid-u4evgxt6][data-type=mcq]:has(input:checked){border-color:#a9c4ff;background:#e2ecff}.mode-option[data-astro-cid-u4evgxt6][data-type=written]:has(input:checked){border-color:#e8bd70;background:#ffedcc}.mode-option[data-astro-cid-u4evgxt6] input[data-astro-cid-u4evgxt6],.select-all[data-astro-cid-u4evgxt6] input[data-astro-cid-u4evgxt6],.unit-row[data-astro-cid-u4evgxt6] input[data-astro-cid-u4evgxt6]{width:19px;height:19px;margin:0;accent-color:var(--cbt-blue)}.mode-option[data-astro-cid-u4evgxt6][data-type=written] input[data-astro-cid-u4evgxt6]{accent-color:#a66300}.mode-option[data-astro-cid-u4evgxt6] span[data-astro-cid-u4evgxt6]{min-width:0;font-size:14px;font-weight:680;letter-spacing:-.02em}.mode-option[data-astro-cid-u4evgxt6] small[data-astro-cid-u4evgxt6]{color:var(--cbt-muted);font-size:11px;font-weight:620}.mode-option[data-astro-cid-u4evgxt6].is-disabled{box-shadow:none;opacity:.42;cursor:not-allowed}.unit-section[data-astro-cid-u4evgxt6]{min-width:0}.unit-section__head[data-astro-cid-u4evgxt6]{display:flex;min-height:44px;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}.unit-section[data-astro-cid-u4evgxt6] h2[data-astro-cid-u4evgxt6]{margin:0}.select-all[data-astro-cid-u4evgxt6]{display:inline-flex;min-height:44px;align-items:center;gap:8px;color:var(--cbt-muted);font-size:13px;font-weight:650;cursor:pointer}.unit-list[data-astro-cid-u4evgxt6]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--cbt-gap);margin:0;padding:0;list-style:none}.unit-list[data-astro-cid-u4evgxt6] li[data-astro-cid-u4evgxt6]{min-width:0}.unit-row[data-astro-cid-u4evgxt6]{display:grid;min-height:82px;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:12px;padding:14px 16px;cursor:pointer;transition:border-color var(--cbt-motion) var(--cbt-ease),background-color var(--cbt-motion) var(--cbt-ease)}.unit-row[data-astro-cid-u4evgxt6]:has(input:checked){border-color:color-mix(in srgb,var(--color-brand-strong) 42%,transparent);background:var(--cbt-blue-soft);box-shadow:none}.unit-row__copy[data-astro-cid-u4evgxt6]{display:grid;min-width:0;gap:5px}.unit-row__number[data-astro-cid-u4evgxt6]{display:inline-flex;min-width:34px;min-height:28px;align-items:center;justify-content:center;padding-inline:7px;border-radius:var(--cbt-radius-xs);background:#eef1f5;color:var(--cbt-muted);font-size:11px;font-weight:720;letter-spacing:-.01em;white-space:nowrap}.unit-row[data-astro-cid-u4evgxt6]:has(input:checked) .unit-row__number[data-astro-cid-u4evgxt6]{background:#d5e3ff;color:#1c56bd}.unit-row[data-astro-cid-u4evgxt6] strong[data-astro-cid-u4evgxt6]{font-size:14px;font-weight:690;line-height:1.35;letter-spacing:-.025em;overflow-wrap:anywhere}.unit-row[data-astro-cid-u4evgxt6] small[data-astro-cid-u4evgxt6]{color:var(--cbt-muted);font-size:11px;font-weight:600}.unit-row[data-astro-cid-u4evgxt6].is-disabled{box-shadow:none;opacity:.42;cursor:not-allowed}.start-bar[data-astro-cid-u4evgxt6]{position:sticky;z-index:10;bottom:max(8px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;background:var(--cbt-bg)}.start-bar[data-astro-cid-u4evgxt6] p[data-astro-cid-u4evgxt6]{margin:0;color:var(--cbt-muted);font-size:13px;font-weight:620}.start-bar[data-astro-cid-u4evgxt6] .cbt-primary[data-astro-cid-u4evgxt6]{flex:none;min-width:118px}@media(max-width:767px){.mode-grid[data-astro-cid-u4evgxt6]{grid-template-columns:repeat(2,minmax(0,1fr))}.unit-list[data-astro-cid-u4evgxt6]{grid-template-columns:1fr}.unit-form[data-astro-cid-u4evgxt6]{gap:28px}}@media(max-width:390px){.mode-option[data-astro-cid-u4evgxt6]{min-height:62px;padding-inline:11px}.start-bar[data-astro-cid-u4evgxt6] p[data-astro-cid-u4evgxt6]{max-width:150px}}@media(prefers-reduced-motion:reduce){.mode-option[data-astro-cid-u4evgxt6],.unit-row[data-astro-cid-u4evgxt6]{transition:none}}