/* ============================================================
   PatternMastery .io — shared design system + chrome
   Used on every page. Page-specific styles live in assets/<page>.css.
   ============================================================ */

:root {
  /* Surfaces */
  --bg:        #0d0e10;
  --bg-elev:   #16181c;
  --bg-card:   #1c1f24;
  --bg-hover:  #232730;
  --border:    #262a31;
  --border-strong: #353a43;

  /* Text */
  --text:    #e9eaee;
  --muted:   #9ba1ac;
  --faint:   #8b909b;

  /* Accents */
  --accent:    #ffd54a;     /* yellow — brand */
  --accent-2:  #9ad7ff;     /* link blue */
  --good:      #5fcf83;
  --warn:      #ffa14a;
  --danger:    #ef5a5a;

  /* Tier band colors (PM 100/250/300/400/500) */
  --tier-100:  #ffd54a;
  --tier-250:  #ffae3d;
  --tier-300:  #ff7a85;
  --tier-400:  #b990ff;
  --tier-150:  #ffc94a;
  --tier-200:  #ffbe43;
  --tier-350:  #e58bd0;
  --tier-450:  #8fa8ff;
  --tier-500:  #5cc7ff;

  /* Shape */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --pad-sm: 8px;
  --pad-md: 16px;
  --pad-lg: 24px;
  --pad-xl: 40px;

  /* Type */
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter",
             "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;

  /* Layout */
  --nav-h: 60px;
  --container: 1280px;
  --content: 980px;

  /* Type scale */
  --fs-xs:  12px;
  --fs-sm:  13px;
  --fs-base: 15px;
  --fs-md:  17px;
  --fs-lg:  20px;
  --fs-xl:  24px;
  --fs-2xl: 30px;
  --fs-3xl: 38px;
  --lh-tight:   1.2;
  --lh-snug:    1.35;
  --lh-normal:  1.55;
  --lh-relaxed: 1.7;

  /* Spacing scale (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Elevation */
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-2: 0 4px 12px rgba(0, 0, 0, 0.30);
  --shadow-3: 0 12px 32px rgba(0, 0, 0, 0.40);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

::selection { background: rgba(255, 213, 74, 0.35); color: #fff; }

/* ============================================================
   HEADER (sticky nav)
   ============================================================ */

.pm-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 14, 16, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.pm-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 var(--pad-md);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--pad-lg);
  align-items: center;
}

.pm-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.pm-brand:hover { text-decoration: none; }
.pm-brand .dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 2px;
  background: var(--accent);
}
.pm-brand .suffix { color: var(--accent); font-weight: 700; }

.pm-nav {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
}
.pm-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.005em;
  transition: color 120ms, background 120ms;
}
.pm-nav a:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.pm-nav a[aria-current="page"] {
  color: var(--text);
  background: var(--bg-card);
  box-shadow: inset 0 -2px 0 0 var(--accent);
}

/* "Play a game!" — promoted, color-accented nav item */
.pm-nav a.play {
  color: #0f172a;
  background: var(--good);
  font-weight: 700;
}
.pm-nav a.play:hover {
  color: #0f172a;
  background: #74e09a;
  text-decoration: none;
}
.pm-nav a.play[aria-current="page"] {
  color: #0f172a;
  background: var(--good);
  box-shadow: inset 0 -2px 0 0 #2f9c5a;
}

/* Practice has children -> dropdown trigger styled identically to a regular link */
.pm-nav-item-wrap { position: relative; display: inline-flex; }
.pm-nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.005em;
  transition: color 120ms, background 120ms;
  cursor: pointer;
}
.pm-nav-trigger:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.pm-nav-trigger[aria-current="page"] {
  color: var(--text);
  background: var(--bg-card);
  box-shadow: inset 0 -2px 0 0 var(--accent);
}
.pm-nav-caret { font-size: 9px; color: var(--muted); margin-top: 1px; }
.pm-nav-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--bg-elev, #fff);
  border: 1px solid var(--border);
  border-radius: var(--r-md, 10px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
  padding: 6px;
  z-index: 90;
}
.pm-nav-menu[hidden] { display: none; }
.pm-nav-menu-item {
  display: block;
  padding: 8px 12px;
  border-radius: var(--r-sm, 8px);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.pm-nav-menu-item:hover { background: var(--bg-hover); text-decoration: none; }

.pm-mobile-sub {
  font-size: 12px !important;
  font-weight: 500 !important;
  opacity: 0.8;
  padding: 8px 12px 8px 24px !important;
}

.pm-utility {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.pm-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.pm-pill .label { color: var(--faint); font-weight: 500; }
.pm-pill .val { color: var(--text); }
.pm-pill.path .val { color: var(--accent); }
.pm-pill.streak { gap: 4px; }
.pm-pill.streak .flame { color: var(--warn); }
.pm-pill.streak .val { color: var(--text); }

.pm-pill button,
button.pm-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: inherit;
  cursor: pointer;
}
button.pm-pill:hover { background: var(--bg-hover); border-color: var(--border-strong); }

/* Mobile: condense to a single hamburger row */
.pm-mobile-toggle { display: none; }
.pm-mobile-panel { display: none; }  /* hidden everywhere by default; @media below re-enables on mobile */
@media (max-width: 880px) {
  .pm-header-inner { grid-template-columns: auto auto; }
  .pm-nav, .pm-utility { display: none; }
  .pm-mobile-toggle {
    display: inline-flex;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 10px;
    border-radius: var(--r-sm);
    font-weight: 600;
    align-items: center;
    gap: 6px;
  }
  .pm-mobile-toggle:hover { background: var(--bg-hover); }
  .pm-mobile-panel {
    display: none;
    grid-column: 1 / -1;
    padding: var(--pad-md);
    border-top: 1px solid var(--border);
    background: var(--bg-elev);
  }
  .pm-header.is-open .pm-mobile-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .pm-mobile-panel a {
    color: var(--text);
    padding: 12px;
    border-radius: var(--r-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-weight: 600;
    text-align: center;
  }
  .pm-mobile-panel a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }
  .pm-mobile-panel a.play { color: #0f172a; background: var(--good); border-color: var(--good); }
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */

.pm-crumbs {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--pad-md) 0;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.pm-crumbs a { color: var(--muted); }
.pm-crumbs a:hover { color: var(--text); text-decoration: none; }
.pm-crumbs .sep { opacity: 0.5; }
.pm-crumbs .current { color: var(--text); font-weight: 600; }

/* ============================================================
   PAGE LAYOUT HELPERS
   ============================================================ */

.pm-page {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--pad-md) 80px;
}
.pm-page.narrow { max-width: var(--content); }

.pm-h1 {
  font-size: var(--fs-2xl);
  line-height: var(--lh-tight);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 8px 0 6px;
  color: var(--text);
}
.pm-h1 .accent { color: var(--accent); }
.pm-sub {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  max-width: 720px;
}

.pm-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--pad-md);
  box-shadow: var(--shadow-1);
}
.pm-card-elev {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--pad-md);
  box-shadow: var(--shadow-2);
}

.pm-grid { display: grid; gap: 16px; }
.pm-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pm-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pm-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 880px) {
  .pm-grid.cols-2, .pm-grid.cols-3, .pm-grid.cols-4 { grid-template-columns: 1fr; }
}

/* Buttons */
.pm-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 120ms, border-color 120ms, transform 80ms;
  text-decoration: none;
}
.pm-btn:hover { background: var(--bg-hover); border-color: var(--border-strong); text-decoration: none; }
.pm-btn:active { transform: translateY(1px); }
.pm-btn.primary {
  background: var(--accent);
  color: #1a1a1f;
  border-color: var(--accent);
}
.pm-btn.primary:hover { background: #ffe175; border-color: #ffe175; }
.pm-btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
}
.pm-btn.ghost:hover { color: var(--text); }
.pm-btn.danger { color: var(--danger); border-color: rgba(239, 90, 90, 0.4); }
.pm-btn.sm { padding: 6px 10px; font-size: 13px; }
.pm-btn.lg { padding: 12px 20px; font-size: 15px; }

/* Badges */
.pm-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--bg-hover);
  color: var(--muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.pm-badge.tier-100 { background: rgba(255, 213, 74, 0.12);  color: var(--tier-100); border-color: rgba(255, 213, 74, 0.3); }
.pm-badge.tier-250 { background: rgba(255, 174, 61, 0.12);  color: var(--tier-250); border-color: rgba(255, 174, 61, 0.3); }
.pm-badge.tier-300 { background: rgba(255, 122, 133, 0.12); color: var(--tier-300); border-color: rgba(255, 122, 133, 0.3); }
.pm-badge.tier-400 { background: rgba(185, 144, 255, 0.12); color: var(--tier-400); border-color: rgba(185, 144, 255, 0.3); }
.pm-badge.tier-150 { background: rgba(255, 201, 74, 0.12);  color: var(--tier-150); border-color: rgba(255, 201, 74, 0.3); }
.pm-badge.tier-200 { background: rgba(255, 190, 67, 0.12);  color: var(--tier-200); border-color: rgba(255, 190, 67, 0.3); }
.pm-badge.tier-350 { background: rgba(229, 139, 208, 0.12); color: var(--tier-350); border-color: rgba(229, 139, 208, 0.3); }
.pm-badge.tier-450 { background: rgba(143, 168, 255, 0.12); color: var(--tier-450); border-color: rgba(143, 168, 255, 0.3); }
.pm-badge.tier-500 { background: rgba(92, 199, 255, 0.12);  color: var(--tier-500); border-color: rgba(92, 199, 255, 0.3); }
.pm-badge.lane { background: rgba(154, 215, 255, 0.10); color: var(--accent-2); border-color: rgba(154, 215, 255, 0.25); }
.pm-badge.pattern { background: rgba(255, 213, 74, 0.10); color: var(--accent); border-color: rgba(255, 213, 74, 0.25); }
.pm-badge.role-anchor { background: rgba(95, 207, 131, 0.12); color: var(--good); border-color: rgba(95, 207, 131, 0.3); }
.pm-badge.done { background: rgba(95, 207, 131, 0.16); color: var(--good); border-color: rgba(95, 207, 131, 0.4); }

/* Empty / loading states */
.pm-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-md);
}
.pm-empty h3 { color: var(--text); margin: 0 0 8px; }

.pm-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pm-spin 0.8s linear infinite;
}
@keyframes pm-spin { to { transform: rotate(360deg); } }

/* Skeleton loaders (reduced-motion safe) */
.pm-skel-line {
  height: 12px;
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--border-strong) 37%, var(--bg-hover) 63%);
  background-size: 400% 100%;
  animation: pm-shimmer 1.4s ease infinite;
}
.pm-skel-line + .pm-skel-line { margin-top: 8px; }
.pm-skel-line.w-60 { width: 60%; }
.pm-skel-line.w-40 { width: 40%; }
@keyframes pm-shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }
@media (prefers-reduced-motion: reduce) { .pm-skel-line { animation: none; } }

/* Forms */
.pm-input, .pm-select, .pm-textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 120ms, background 120ms;
  width: 100%;
}
.pm-input:focus, .pm-select:focus, .pm-textarea:focus {
  border-color: var(--accent);
  background: var(--bg-elev);
}
.pm-textarea { resize: vertical; min-height: 80px; }

/* ============================================================
   FOOTER
   ============================================================ */

.pm-footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  background: var(--bg-elev);
}
.pm-footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px var(--pad-md);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.pm-footer a { color: var(--muted); }
.pm-footer a:hover { color: var(--text); }
.pm-footer .links {
  display: inline-flex;
  gap: 18px;
  flex-wrap: wrap;
}
.pm-footer .brand-line strong { color: var(--text); }

/* ============================================================
   ANNOUNCE / OFFER BANNER (above header, optional)
   ============================================================ */

.pm-announce {
  background: linear-gradient(90deg, rgba(255, 213, 74, 0.08), rgba(154, 215, 255, 0.08));
  border-bottom: 1px solid var(--border);
  padding: 8px var(--pad-md);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.pm-announce strong { color: var(--text); }
.pm-announce a { color: var(--accent); font-weight: 700; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.muted { color: var(--muted); }
.faint { color: var(--faint); }
.mono { font-family: var(--font-mono); }
.right { text-align: right; }
.center { text-align: center; }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}


/* ── Account / Sign-in / Upgrade (added 2026-05-11 QA) ─────── */
.pm-header-right {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

.pm-account { display: inline-flex; align-items: center; position: relative; }

.pm-signin {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--r-sm, 8px);
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  white-space: nowrap;
  transition: background 120ms, border-color 120ms;
}
.pm-signin:hover { background: var(--bg-hover); border-color: var(--border-strong); text-decoration: none; }

.pm-upgrade {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--r-sm, 8px);
  font-weight: 700;
  font-size: 13px;
  color: #0f172a;
  background: var(--accent, #ffd54a);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.pm-upgrade:hover { filter: brightness(1.05); text-decoration: none; }

.pm-account-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px 5px 6px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.pm-account-btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.pm-account-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent, #ffd54a);
  color: #0f172a;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 11px; line-height: 1;
}
.pm-account-label { color: var(--text); max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.pm-account-caret { color: var(--muted); font-size: 10px; }

.pm-account-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--bg-elev, #fff);
  border: 1px solid var(--border);
  border-radius: var(--r-md, 10px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
  padding: 6px;
  z-index: 90;
}
.pm-account-menu[hidden] { display: none; }
.pm-account-email {
  padding: 8px 12px 10px;
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  word-break: break-all;
}
.pm-account-link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--r-sm, 8px);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.pm-account-link:hover { background: var(--bg-hover); text-decoration: none; }
.pm-account-link.signout { color: #b91c1c; }
.pm-account-link.signout:hover { background: rgba(185, 28, 28, .08); }

/* Mobile: account collapses; mobile panel handles Sign in/out */
@media (max-width: 880px) {
  .pm-account { display: none; }
  .pm-header-right { gap: 6px; }
  .pm-mobile-panel a.signout { color: #b91c1c; }
  .pm-mobile-panel a.pm-upgrade {
    color: #0f172a;
    background: var(--accent, #ffd54a);
    border-radius: 8px;
  }
}


/* ── Accessibility: skip link, focus ring, reduced motion ───── */
.pm-skip {
  position: absolute;
  left: 8px;
  top: -48px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--accent);
  color: #0f172a;
  font-weight: 700;
  border-radius: var(--r-sm);
  transition: top 120ms ease;
}
.pm-skip:focus { top: 8px; outline: none; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* Day-1 onboarding ("Start here") */
.dash-onboard {
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-card));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-2);
}
.dash-onboard .ob-head { display: flex; align-items: center; justify-content: space-between; }
.dash-onboard h2 { margin: 0; font-size: var(--fs-lg); }
.dash-onboard .ob-sub { color: var(--muted); margin: 6px 0 16px; font-size: var(--fs-sm); }
.dash-onboard .ob-dismiss {
  background: none; border: none; color: var(--muted); font-size: 20px; line-height: 1;
  padding: 4px 8px; border-radius: var(--r-sm);
}
.dash-onboard .ob-dismiss:hover { color: var(--text); background: var(--bg-hover); }
.ob-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-3); }
.ob-card {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--space-4); border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--bg-card); transition: border-color 120ms, transform 80ms, background 120ms;
}
.ob-card:hover { border-color: var(--accent); background: var(--bg-hover); text-decoration: none; transform: translateY(-1px); }
.ob-card .ob-ico { font-size: 20px; }
.ob-card .ob-title { color: var(--text); font-weight: 700; font-size: var(--fs-sm); }
.ob-card .ob-desc { color: var(--muted); font-size: var(--fs-xs); }
.ob-card.primary { border-color: var(--accent); }


/* ── Light theme (opt-in via [data-theme="light"] on <html>) ── */
:root[data-theme="light"] {
  --bg:        #f6f7f9;
  --bg-elev:   #ffffff;
  --bg-card:   #ffffff;
  --bg-hover:  #eceff3;
  --border:    #e3e7ed;
  --border-strong: #cfd5de;
  --text:    #1b2128;
  --muted:   #5b626d;
  --faint:   #717784;
  --accent:    #e0a800;
  --accent-2:  #1769c9;
  --good:      #1f9d57;
  --warn:      #c9690a;
  --danger:    #d23b3b;
  --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-2: 0 4px 12px rgba(15, 23, 42, 0.12);
  --shadow-3: 0 12px 32px rgba(15, 23, 42, 0.16);
}

.pm-theme-toggle {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; line-height: 1;
}
.pm-theme-toggle:hover { color: var(--text); background: var(--bg-hover); }

/* Small count badge (e.g. due-for-review count) */
.pm-count-badge {
  display: inline-block;
  min-width: 18px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--warn);
  color: #0f172a;
  font-size: var(--fs-xs);
  font-weight: 700;
  margin-left: 8px;
  vertical-align: middle;
}

/* Problem editor: confidence capture bar */
.ed-confidence {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 10px 12px; border-top: 1px solid var(--border);
}
.ed-confidence .muted { margin-right: 4px; font-size: var(--fs-sm); }