.section-nav[role="tablist"] { gap: 0; padding: 6px; }
.section-nav[role="tablist"] a[role="tab"] { position: relative; padding: 10px 16px; border: 1px solid transparent; font-weight: 650; transition: color .16s ease, background .16s ease, box-shadow .16s ease; }
.section-nav[role="tablist"] a[role="tab"].active { color: var(--brand-navy); background: var(--panel); border-color: var(--border); box-shadow: 0 2px 8px rgba(15,23,42,.08); }
.section-nav[role="tablist"] a[role="tab"].active::after { content: ""; position: absolute; right: 14px; bottom: 3px; left: 14px; height: 2px; border-radius: 2px; background: var(--brand-orange); }
.worksheet-section[role="tabpanel"] { animation: worksheet-tab-in .18s ease-out; }
.worksheet-section[role="tabpanel"][hidden], .add-item[hidden] { display: none !important; }
.template-tablist { display: flex; gap: 8px; overflow-x: auto; margin: 0 0 14px; padding: 2px 2px 10px; scrollbar-width: thin; }
.template-tab { display: grid; flex: 0 0 auto; min-width: 150px; max-width: 240px; gap: 2px; padding: 10px 13px; color: var(--muted); text-align: left; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; }
.template-tab span { overflow: hidden; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.template-tab small { font-size: 11px; color: var(--muted); }
.template-tab:hover { color: var(--brand-navy); border-color: color-mix(in srgb, var(--brand-navy) 35%, var(--border)); }
.template-tab.active { color: var(--brand-navy); border-color: var(--brand-orange); box-shadow: inset 3px 0 0 var(--brand-orange), 0 3px 10px rgba(15,23,42,.07); }
.template-sections > .template-section[role="tabpanel"] > summary { display: none; }
.template-sections > .template-section[role="tabpanel"][hidden] { display: none !important; }
.ops-contrast .section-nav[role="tablist"] a[role="tab"].active { color: #fff; background: #202b58; border-color: #3b4878; }
.ops-contrast .template-tab.active { color: #fff; background: #202b58; border-color: var(--brand-orange); }
@keyframes worksheet-tab-in { from { opacity: .25; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 700px) { .section-nav[role="tablist"] a[role="tab"] { padding: 9px 12px; font-size: 12px; } .template-tab { min-width: 132px; max-width: 190px; padding: 9px 11px; } }
@media (prefers-reduced-motion: reduce) { .worksheet-section[role="tabpanel"] { animation: none; } }