/* TRIWORDS interim palette, taken from the supplied navy/gold artwork. */
:root{--bg:#faf9f6;--bg-soft:#f0eee7;--surface:#fff;--surface-2:#fcfbf8;--ink:#0b3043;--ink-soft:#536670;--ink-faint:#687b84;--border:#dce0da;--shadow:rgba(11,48,67,.12);--accent:#0b4056;--accent-ink:#fff;--accent-soft:#e3ecef;--amber:#b08a40;--amber-soft:#f5ecd7;--brand-primary:#0b3043;--brand-primary-soft:rgba(11,48,67,.1);--brand-secondary:#856427;--surface-card:#fff}
[data-theme="dark"]{--bg:#091e29;--bg-soft:#102c39;--surface:#123342;--surface-2:#173d4c;--ink:#f5f3ed;--ink-soft:#c7d7dc;--ink-faint:#9db5bf;--border:#355461;--accent:#e1be79;--accent-ink:#102b3b;--accent-soft:#254553;--brand-primary:#e1be79;--brand-primary-soft:rgba(225,190,121,.15);--brand-secondary:#afd3de;--surface-card:#173d4c}
.auth-page-logo,.auth-logo-img{object-fit:contain;background:#fff;border-radius:16px;max-width:100%}
.brand-logo-img{object-fit:contain;background:#fff;border-radius:8px}
.grade-switcher{background:var(--bg-soft);color:var(--ink);border-color:var(--border)}.grade-switcher a{color:inherit}
.auth-btn{background:var(--brand-primary);color:var(--accent-ink);box-shadow:0 6px 18px var(--shadow)}.auth-btn:hover{background:var(--accent)}.auth-page-logo{box-shadow:0 8px 24px var(--shadow)}.auth-card::before{background:linear-gradient(90deg,#0b3043,#b08a40)}