.ssb-board-root .card--test{max-width:none;margin:0;background:color-mix(in srgb,var(--brand,#4338ca) 4%,var(--panel,#fff));border:1px solid var(--line,#e6e8ee);border-radius:12px;box-shadow:none;padding:16px 18px}.ssb-board-root .ppdt-field{display:flex;flex-direction:column;gap:4px}.ssb-board-root .ssb-brief th,.ssb-board-root .ssb-summary th{font-weight:700;color:var(--ink,#201a3a)}.ssb-board-root .card,.ssb-board-root .card--test{width:100%;box-sizing:border-box}@media (max-width:640px){.ssb-board-root .card{padding:1.25rem}}.ssb-board-root .tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:14px;gap:14px;margin-top:22px}.ssb-board-root .tile-grid--sm{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.ssb-board-root .tile{display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--line,#e6e8ee);border-radius:14px;background:var(--panel,#fff);color:inherit;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.ssb-board-root .tile:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand,#4338ca) 45%,var(--line,#e6e8ee));box-shadow:0 8px 24px rgba(20,20,60,.08)}.ssb-board-root .tile__eyebrow{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand,#4338ca)}.ssb-board-root .tile__title{font-size:17px;font-weight:800;margin:0}.ssb-board-root .tile__sub{font-size:13px;color:var(--muted,#6b7280)}.ssb-board-root .guide{max-width:760px}.ssb-board-root .guide h2{font-size:18px;margin:26px 0 10px}.ssb-board-root .guide__reads{font-size:16px;line-height:1.65;margin:12px 0 0}.ssb-board-root .guide ol,.ssb-board-root .guide ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px;line-height:1.6}.ssb-board-root .guide__note{font-size:13px;color:var(--muted,#6b7280);margin:22px 0 0}.ssb-board-root .guide__start{margin-top:28px;padding-top:22px;border-top:1px solid var(--line,#e6e8ee)}.ssb-board-root .stim{min-height:62vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center}.ssb-board-root .stim__word{font-size:clamp(40px,9vw,88px);font-weight:800;letter-spacing:.01em}.ssb-board-root .stim__situation{font-size:clamp(20px,3.4vw,30px);line-height:1.5;max-width:820px}.ssb-board-root .stim__blank{font-size:clamp(22px,4vw,38px);font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted,#6b7280)}.ssb-board-root .stim__timer{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:800}