/* Politics Panther design system - tokens and components.
   Source of truth: Panther/PANTHER_DESIGN_SYSTEM.md (v0.1, 2 Jul 2026).
   Change the document first, then this file. */

:root {
  /* Chrome families: deep / mid / wash */
  --pn-navy: #1a3558;       --pn-navy-mid: #2E75B6;    --pn-navy-wash: #EBF3FB;
  --pn-blue-deep: #1E40AF;  --pn-blue: #2E75B6;        --pn-blue-wash: #DBEAFE;
  --pn-gold-deep: #92400E;  --pn-gold: #D97706;        --pn-gold-wash: #FEF3C7;
  --pn-rust: #7C2D12;       --pn-rust-mid: #B45309;
  --pn-red-deep: #B91C1C;   --pn-red: #DC2626;         --pn-red-wash: #FFF1F2;
  --pn-green-deep: #065F46; --pn-green: #15803D;       --pn-green-wash: #F0FDF4;
  --pn-magenta-deep: #72243E; --pn-magenta: #A21D63;   --pn-magenta-wash: #FBE9F1;
  --pn-purple-deep: #3C3489; --pn-purple: #5B49C7;     --pn-purple-wash: #EAE7FA;
  --pn-slate-deep: #1E293B; --pn-slate: #64748B;       --pn-slate-wash: #F1F5F9;

  /* Assessment objectives - fixed site-wide, match the mark schemes */
  --pn-ao1: #B91C1C; --pn-ao1-wash: #FFF1F2;
  --pn-ao2: #1D4ED8; --pn-ao2-wash: #EFF6FF;
  --pn-ao3: #065F46; --pn-ao3-wash: #F0FDF4;

  /* Reading layer */
  --pn-doc-navy: #1F4E79;
  --pn-pale: #D5E8F0;
  --pn-paler: #EBF3FB;
  --pn-surface: #F6FAFE;
  --pn-ink: #111827;
  --pn-muted: #6B7280;
  --pn-bg: #EEF2F7;

  /* Shape, depth */
  --pn-r-tile: 15px; --pn-r-card: 12px; --pn-r-sec: 10px; --pn-r-ctl: 8px;
  --pn-shadow: 0 3px 10px rgba(15,30,55,.14);
  --pn-shadow-lift: 0 10px 22px rgba(15,30,55,.2);
  --pn-lift: transform .15s ease, box-shadow .15s ease;
}

/* ---------- shell: top bar ---------- */
/* !important guards: many pages carry a legacy May-era "one-navy-band" block that
   whitewashes any body > header. The shell bar must win everywhere. */
.pn-bar { position: sticky !important; top: 0; z-index: 300; height: 48px;
  background: var(--pn-navy) !important; color: #fff !important; border: 0 !important;
  display: grid !important; grid-template-columns: minmax(96px,auto) 1fr minmax(96px,auto); align-items: center;
  gap: 8px; padding: 0 10px !important; font-family: Arial, Helvetica, sans-serif; }
.pn-bar .pn-crumb { color: #fff !important; }
.pn-bar .pn-home, .pn-bar .pn-nav-btn { color: #fff !important; }
.pn-bar-left, .pn-bar-right { display: flex; align-items: center; gap: 8px; }
.pn-bar-right { justify-content: flex-end; }
.pn-home { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 34px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: 6px;
  color: #fff; text-decoration: none; }
.pn-home:hover { background: rgba(255,255,255,.18); }
.pn-home svg, .pn-home img { width: 24px; height: 24px; }
.pn-nav-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 34px;
  background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px; font: 800 1rem Arial; cursor: pointer; }
.pn-nav-btn:hover { background: rgba(255,255,255,.18); }
.pn-crumb { text-align: center; font-weight: 700; font-size: .88rem; color: #fff; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; }
.pn-crumb small { opacity: .72; font-weight: 600; }
.pn-bar-act { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px; padding: 7px 12px; font: 700 .74rem Arial; cursor: pointer; text-decoration: none; white-space: nowrap; }
.pn-bar-act:hover { background: rgba(255,255,255,.18); }
@media (max-width: 600px) {
  .pn-bar { grid-template-columns: minmax(76px,auto) 1fr minmax(44px,auto); }
  .pn-crumb { font-size: .82rem; }
  .pn-bar-act { padding: 6px 9px; font-size: .7rem; }
}

/* ---------- shell: controls strip (bar = identity only; controls live here) ---------- */
.pn-strip { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 7px 14px; background: #fff; border-bottom: 1px solid var(--pn-pale);
  font-family: Arial, Helvetica, sans-serif; position: sticky; top: 48px; z-index: 290; }
.pn-strip-l, .pn-strip-r { display: flex; align-items: center; gap: 10px; min-width: 0; }
.pn-strip-r { justify-content: flex-end; }
.pn-strip select { border: 1px solid var(--pn-pale); border-radius: 6px; padding: 6px 8px;
  font: 700 .78rem Arial; color: var(--pn-doc-navy); background: #fff; max-width: 210px; cursor: pointer; }
.pn-strip button, .pn-strip .pn-strip-btn { background: var(--pn-paler); color: var(--pn-doc-navy);
  border: 1px solid var(--pn-pale); border-radius: 6px; padding: 6px 11px; font: 700 .76rem Arial;
  cursor: pointer; text-decoration: none; white-space: nowrap; }
.pn-strip button:hover, .pn-strip .pn-strip-btn:hover { background: var(--pn-pale); }
.pn-strip-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.pn-strip-left .prog-top { display: contents; }
.pn-strip-left .prog-label { font: 700 .78rem Arial; color: var(--pn-doc-navy); white-space: nowrap; }
.pn-strip-left .prog-track { width: 150px; height: 8px; background: var(--pn-red-wash);
  border-radius: 999px; overflow: hidden; flex: none; }
.pn-strip-left .prog-fill { height: 100%; background: var(--pn-red); border-radius: 999px; transition: width .35s ease; }
.pn-strip-left .prog-reset { background: none; border: 0; color: var(--pn-muted);
  font: 700 .72rem Arial; cursor: pointer; text-decoration: underline; padding: 0; white-space: nowrap; }
@media (max-width: 600px) {
  .pn-strip { padding: 6px 10px; gap: 8px; }
  .pn-strip select { max-width: 130px; font-size: .7rem; }
  .pn-strip-left .prog-track { width: 70px; }
}

/* legacy: controls folded into the bar (superseded by the strip; kept for no-JS fallback) */
.pn-bar select { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); color: #fff;
  border-radius: 6px; padding: 6px 8px; font: 700 .78rem Arial; max-width: 210px; cursor: pointer; }
.pn-bar select option { background: var(--pn-navy); color: #fff; }
.pn-bar .pn-bar-right span { color: #fff; font: 700 .76rem Arial; white-space: nowrap; }
@media (max-width: 600px) { .pn-bar select { max-width: 130px; font-size: .7rem; } }

/* fallback tool row (only shows if scripts are off) */
.pn-toolrow { display: flex; align-items: center; gap: 10px; padding: 8px 14px; background: var(--pn-navy); }
.pn-toolrow select, .pn-toolrow .pn-jump { border: 0; border-radius: var(--pn-r-ctl); padding: 6px 9px;
  font: 700 .8rem Arial; color: var(--pn-doc-navy); max-width: 240px; }

/* ---------- shell: bottom tabs (phone) ---------- */
.pn-tabs { display: none; }
@media (max-width: 700px) {
  .pn-tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 300; background: #fff;
    border-top: 1px solid var(--pn-pale); display: flex; padding: 6px 4px calc(8px + env(safe-area-inset-bottom));
    font-family: Arial, Helvetica, sans-serif; }
  .pn-tabs a { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px; min-height: 48px; color: var(--pn-muted); font-size: .72rem; font-weight: 800;
    text-decoration: none; border-radius: 14px; }
  .pn-tabs a.pn-on { color: var(--pn-navy); background: var(--pn-paler); }
  .pn-tabs svg { width: 21px; height: 21px; }
  body.pn-has-tabs { padding-bottom: 84px; }
}

/* ---------- components ---------- */
.pn-tile { display: flex; flex-direction: column; justify-content: space-between; gap: 12px;
  border-radius: var(--pn-r-tile); padding: 15px 15px 13px; min-height: 104px; color: #fff;
  text-decoration: none; box-shadow: var(--pn-shadow); transition: var(--pn-lift);
  font-family: Arial, Helvetica, sans-serif; }
.pn-tile:hover, .pn-tile:active { transform: translateY(-2px); box-shadow: var(--pn-shadow-lift); }
.pn-tile svg { width: 22px; height: 22px; }
.pn-tile b { font-size: .98rem; font-weight: 800; line-height: 1.2; display: block; }
.pn-tile small { font-size: .73rem; opacity: .92; font-weight: 600; display: block; margin-top: 3px; }
.pn-tile.navy { background: var(--pn-navy); } .pn-tile.blue { background: var(--pn-blue); }
.pn-tile.gold { background: var(--pn-gold); } .pn-tile.magenta { background: var(--pn-magenta); }
.pn-tile.green { background: var(--pn-green); } .pn-tile.purple { background: var(--pn-purple); }
.pn-tile.red { background: var(--pn-red); }

.pn-hero { display: flex; align-items: center; gap: 16px; background: var(--pn-navy); color: #fff;
  text-decoration: none; border-radius: var(--pn-r-tile); padding: 16px 18px; min-height: 96px;
  box-shadow: var(--pn-shadow); transition: var(--pn-lift); font-family: Arial, Helvetica, sans-serif; }
.pn-hero:hover, .pn-hero:active { transform: translateY(-2px); box-shadow: var(--pn-shadow-lift); }
.pn-hero b { font-size: 1.1rem; font-weight: 800; display: block; }
.pn-hero small { font-size: .78rem; opacity: .92; font-weight: 600; display: block; margin-top: 3px; }

.pn-card { background: #fff; border: 1px solid var(--pn-pale); border-radius: var(--pn-r-card);
  padding: 12px 14px; font-family: Arial, Helvetica, sans-serif; }
.pn-card b { color: var(--pn-doc-navy); }

.pn-chip { display: inline-block; background: #fff; color: var(--pn-navy); border: 1px solid var(--pn-pale);
  border-radius: 999px; padding: 7px 13px; font: 700 .76rem Arial; text-decoration: none; }
.pn-chip:hover { background: var(--pn-paler); }
.pn-chip.pn-on { background: var(--pn-gold); color: #fff; border-color: var(--pn-gold); }

.pn-wash { border-radius: var(--pn-r-sec); padding: 9px 14px; font: 700 .8rem Arial; }
.pn-wash.gold { background: var(--pn-gold-wash); color: var(--pn-gold-deep); }
.pn-wash.green { background: var(--pn-green-wash); color: var(--pn-green-deep); }
.pn-wash.red { background: var(--pn-red-wash); color: var(--pn-red-deep); }
.pn-wash.purple { background: var(--pn-purple-wash); color: var(--pn-purple-deep); }
.pn-wash.blue { background: var(--pn-blue-wash); color: var(--pn-blue-deep); }

.pn-ao1 { color: var(--pn-ao1); } .pn-ao1-wash { background: var(--pn-ao1-wash); color: var(--pn-ao1); }
.pn-ao2 { color: var(--pn-ao2); } .pn-ao2-wash { background: var(--pn-ao2-wash); color: var(--pn-ao2); }
.pn-ao3 { color: var(--pn-ao3); } .pn-ao3-wash { background: var(--pn-ao3-wash); color: var(--pn-ao3); }

details.pn-sec { border: 1px solid var(--pn-pale); border-radius: var(--pn-r-sec); margin: 0 0 9px; background: #fff; }
details.pn-sec > summary { list-style: none; cursor: pointer; padding: 12px 14px; font: 700 .95rem Arial;
  color: var(--pn-doc-navy); display: flex; align-items: center; gap: 8px; min-height: 44px; }
details.pn-sec > summary::-webkit-details-marker { display: none; }
details.pn-sec > summary::before { content: "+"; color: var(--pn-blue); font-weight: 800; width: 14px; }
details.pn-sec[open] > summary::before { content: "\2212"; }
details.pn-sec > .pn-secbody { padding: 2px 16px 12px; }

.pn-progress { background: #fff; border: 1px solid var(--pn-pale); border-radius: var(--pn-r-sec);
  padding: 7px 14px; display: flex; align-items: center; gap: 12px; font-family: Arial, Helvetica, sans-serif; }
.pn-progress .pn-track { height: 10px; background: var(--pn-red-wash); border-radius: 999px; flex: 1; overflow: hidden; }
.pn-progress .pn-fill { height: 100%; background: var(--pn-red); border-radius: 999px; transition: width .35s ease; }

a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--pn-blue); outline-offset: 2px; }

@media print { .pn-bar, .pn-tabs, .pn-toolrow, .pn-strip { display: none !important; } }

/* screen-hidden, print-shown (page titles: breadcrumb carries them on screen) */
.pn-print-only { display: none !important; }
@media print { .pn-print-only { display: block !important; } .pn-print-only .hdr-actions { display: none !important; } }
.prog-top .prog-reset + .prog-reset { margin-left: 8px; }