/* ============================================================
   KEY v61 — Unified fonts + rotating edge glow + tinted backgrounds
   Replaces v60. Only academic/daily pages.
   ============================================================ */

/* ---------- 1. Page hero — restrained, unified font ---------- */
[data-v61] > h3:first-child {
  position: relative;
  padding: 16px 18px 14px 16px !important;
  background: #ffffff !important;
  color: #0f172a !important;
  border: 1px solid rgba(15,23,42,.08) !important;
  border-inline-start: 3px solid #1e293b !important;
  border-radius: 12px !important;
  margin: 0 0 12px !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  letter-spacing: -.01em !important;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 6px 16px rgba(15,23,42,.03);
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  line-height: 1.5 !important;
}
[data-v61="academic"]       > h3:first-child { border-inline-start-color: #1e40af; }
[data-v61="academic-level"] > h3:first-child { border-inline-start-color: #1e40af; }
[data-v61="academic-field"] > h3:first-child { border-inline-start-color: #0f766e; }
[data-v61="daily-list"]     > h3:first-child { border-inline-start-color: #7f1d1d; }
[data-v61="daily-category"] > h3:first-child { border-inline-start-color: #7f1d1d; }

[data-v61] > p:first-of-type {
  margin: 0 2px 14px !important;
  color: #64748b !important;
  font-size: 12.5px !important;
  line-height: 1.85 !important;
  font-weight: 500 !important;
}

/* ---------- 2. Grid ---------- */
[data-v61] .category-grid {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 10px !important;
  margin: 14px 0 18px !important;
  padding: 0 !important;
}
@media (min-width: 620px) {
  [data-v61] .category-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 11px !important; }
}
@media (min-width: 900px) {
  [data-v61] .category-grid { grid-template-columns: repeat(4, 1fr) !important; gap: 12px !important; }
}

/* ---------- 3. Category tile with rotating glow border ---------- */
[data-v61] .category-btn {
  /* default variables — overridden per color class below */
  --accent: #475569;
  --accent-soft: rgba(71,85,105,.45);
  --tint: rgba(71,85,105,.05);

  position: relative !important;
  overflow: hidden !important;
  isolation: isolate;
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-start !important;
  justify-content: space-between !important;
  gap: 0 !important;
  min-height: 92px !important;
  padding: 14px 14px 12px 14px !important;
  border: 0 !important;
  border-radius: 12px !important;
  background: var(--tint) !important;
  color: #0f172a !important;
  font-family: inherit !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  box-shadow: 0 1px 2px rgba(15,23,42,.04) !important;
  transition: transform .2s ease, box-shadow .2s ease !important;
  text-align: right !important;
}
[data-v61] .category-btn:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 24px rgba(15,23,42,.10), 0 2px 4px rgba(15,23,42,.05) !important;
}
[data-v61] .category-btn:active {
  transform: translateY(0) scale(.995) !important;
}

/* Rotating conic gradient behind everything */
[data-v61] .category-btn::before {
  content: "";
  position: absolute;
  inset: -60%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 20deg,
    var(--accent-soft) 60deg,
    var(--accent) 90deg,
    var(--accent-soft) 120deg,
    transparent 160deg,
    transparent 200deg,
    transparent 360deg
  );
  animation: v61spin 9s linear infinite;
  z-index: -2;
  opacity: .9;
  pointer-events: none;
}
/* Thin opaque inner layer that leaves a 1.5px frame */
[data-v61] .category-btn::after {
  content: "";
  position: absolute;
  inset: 1.5px;
  border-radius: 10.5px;
  background: #ffffff;
  z-index: -1;
  pointer-events: none;
}
[data-v61] .category-btn > * {
  position: relative;
  z-index: 1;
}

/* Soft tint overlay — sits over the white inner layer to give the
   card a subtle colored background that matches its accent */
[data-v61] .category-btn > .v61-tint {
  position: absolute !important;
  inset: 1.5px !important;
  border-radius: 10.5px !important;
  background: var(--tint) !important;
  z-index: 0 !important;
  pointer-events: none !important;
}

@keyframes v61spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  [data-v61] .category-btn::before { animation: none; }
}

/* ---------- 4. Unified font sizes across both sections ---------- */
[data-v61] .category-btn span[style*="font-size"] {
  font-size: 20px !important;
  line-height: 1 !important;
  margin-bottom: 10px !important;
  display: block !important;
  filter: grayscale(.1) contrast(1.05) !important;
  opacity: .9;
  transition: opacity .18s ease, transform .18s ease !important;
}
[data-v61] .category-btn:hover span[style*="font-size"] {
  opacity: 1;
  transform: translateY(-1px);
}
[data-v61] .category-btn > span:not([style*="font-size"]):not(.v61-tint) {
  font-size: 12.5px !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
  color: #0f172a !important;
  text-align: right !important;
  text-shadow: none !important;
  letter-spacing: .005em !important;
}

/* ---------- 5. Color palettes: muted accents with matching tint ---------- */

/* navy */
[data-v61] .category-btn.v61-c0 {
  --accent: #1e40af;
  --accent-soft: rgba(30,64,175,.35);
  --tint: rgba(30,64,175,.045);
}
/* graphite */
[data-v61] .category-btn.v61-c1 {
  --accent: #334155;
  --accent-soft: rgba(51,65,85,.35);
  --tint: rgba(51,65,85,.05);
}
/* muted emerald */
[data-v61] .category-btn.v61-c2 {
  --accent: #0f766e;
  --accent-soft: rgba(15,118,110,.35);
  --tint: rgba(15,118,110,.045);
}
/* dusty burgundy */
[data-v61] .category-btn.v61-c3 {
  --accent: #7f1d1d;
  --accent-soft: rgba(127,29,29,.35);
  --tint: rgba(127,29,29,.045);
}
/* deep indigo */
[data-v61] .category-btn.v61-c4 {
  --accent: #3730a3;
  --accent-soft: rgba(55,48,163,.35);
  --tint: rgba(55,48,163,.045);
}
/* bronze */
[data-v61] .category-btn.v61-c5 {
  --accent: #92400e;
  --accent-soft: rgba(146,64,14,.35);
  --tint: rgba(146,64,14,.045);
}
/* dark teal */
[data-v61] .category-btn.v61-c6 {
  --accent: #0e7490;
  --accent-soft: rgba(14,116,144,.35);
  --tint: rgba(14,116,144,.045);
}
/* plum/slate */
[data-v61] .category-btn.v61-c7 {
  --accent: #475569;
  --accent-soft: rgba(71,85,105,.35);
  --tint: rgba(71,85,105,.05);
}

/* icon tint follows accent */
[data-v61] .category-btn.v61-c0 span[style*="font-size"] { color: #1e40af; }
[data-v61] .category-btn.v61-c1 span[style*="font-size"] { color: #334155; }
[data-v61] .category-btn.v61-c2 span[style*="font-size"] { color: #0f766e; }
[data-v61] .category-btn.v61-c3 span[style*="font-size"] { color: #7f1d1d; }
[data-v61] .category-btn.v61-c4 span[style*="font-size"] { color: #3730a3; }
[data-v61] .category-btn.v61-c5 span[style*="font-size"] { color: #92400e; }
[data-v61] .category-btn.v61-c6 span[style*="font-size"] { color: #0e7490; }
[data-v61] .category-btn.v61-c7 span[style*="font-size"] { color: #475569; }

/* ---------- 6. Section headers (daily grouping) ---------- */
[data-v61] .mag-section-title {
  margin: 20px 2px 10px !important;
  padding: 0 0 8px 0 !important;
  border-bottom: 1px solid rgba(15,23,42,.08) !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}
[data-v61] .mag-section-title::before { display: none !important; }
[data-v61] .mag-section-title::after  { display: none !important; }
[data-v61] .mag-section-title span {
  font-size: 12px !important;
  font-weight: 800 !important;
  color: #475569 !important;
  letter-spacing: .05em !important;
  text-transform: uppercase !important;
}
[data-v61] .mag-section-title span > span {
  font-size: 13px !important;
  margin-inline-end: 4px !important;
  text-transform: none !important;
}

/* ---------- 7. Daily category page — 3 action rows ---------- */
[data-v61="daily-category"] .primary-btn,
[data-v61="daily-category"] .secondary-btn {
  position: relative !important;
  overflow: hidden !important;
  isolation: isolate;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 16px 20px !important;
  min-height: 60px !important;
  margin: 10px 0 !important;
  border: 0 !important;
  border-radius: 12px !important;
  background: var(--tint, rgba(71,85,105,.05)) !important;
  color: #0f172a !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  text-align: right !important;
  box-shadow: 0 1px 2px rgba(15,23,42,.04) !important;
  transition: transform .2s ease, box-shadow .2s ease !important;
  gap: 12px;
}
[data-v61="daily-category"] .primary-btn:hover,
[data-v61="daily-category"] .secondary-btn:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 24px rgba(15,23,42,.10), 0 2px 4px rgba(15,23,42,.04) !important;
}
/* rotating border + inner white */
[data-v61="daily-category"] .primary-btn::before,
[data-v61="daily-category"] .secondary-btn::before {
  content: "";
  position: absolute;
  inset: -60%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 20deg,
    var(--accent-soft, rgba(71,85,105,.35)) 60deg,
    var(--accent, #475569) 90deg,
    var(--accent-soft, rgba(71,85,105,.35)) 120deg,
    transparent 160deg,
    transparent 360deg
  );
  animation: v61spin 9s linear infinite;
  z-index: -2;
  pointer-events: none;
}
[data-v61="daily-category"] .primary-btn::after,
[data-v61="daily-category"] .secondary-btn::after {
  content: "";
  position: absolute;
  inset: 1.5px;
  border-radius: 10.5px;
  background: #ffffff;
  z-index: -1;
  pointer-events: none;
}
[data-v61="daily-category"] .primary-btn > *,
[data-v61="daily-category"] .secondary-btn > * { position: relative; z-index: 1; }

/* accent per action */
[data-v61="daily-category"] button[onclick*="showProblemForm"] {
  --accent: #7f1d1d;
  --accent-soft: rgba(127,29,29,.35);
  --tint: rgba(127,29,29,.05);
}
[data-v61="daily-category"] button[onclick*="showExpertsByType"] {
  --accent: #1e40af;
  --accent-soft: rgba(30,64,175,.35);
  --tint: rgba(30,64,175,.045);
}
[data-v61="daily-category"] button[onclick*="openDailyCategoryHub"] {
  --accent: #0f766e;
  --accent-soft: rgba(15,118,110,.35);
  --tint: rgba(15,118,110,.045);
}

/* ---------- 8. Dark theme ---------- */
[data-theme="dark"] [data-v61] > h3:first-child {
  background: #0f1720 !important;
  border-color: rgba(255,255,255,.08) !important;
  color: #e2e8f0 !important;
}
[data-theme="dark"] [data-v61] > p:first-of-type { color: #94a3b8 !important; }
[data-theme="dark"] [data-v61] .category-btn {
  background: var(--tint) !important;
  color: #e2e8f0 !important;
}
[data-theme="dark"] [data-v61] .category-btn::after { background: #0f1720; }
[data-theme="dark"] [data-v61] .category-btn > span:not([style*="font-size"]):not(.v61-tint) {
  color: #e2e8f0 !important;
}
[data-theme="dark"] [data-v61] .mag-section-title { border-bottom-color: rgba(255,255,255,.08) !important; }
[data-theme="dark"] [data-v61] .mag-section-title span { color: #cbd5e1 !important; }
[data-theme="dark"] [data-v61="daily-category"] .primary-btn,
[data-theme="dark"] [data-v61="daily-category"] .secondary-btn {
  background: var(--tint) !important;
  color: #e2e8f0 !important;
}
[data-theme="dark"] [data-v61="daily-category"] .primary-btn::after,
[data-theme="dark"] [data-v61="daily-category"] .secondary-btn::after {
  background: #0f1720;
}

/* ---------- 9. Mobile ---------- */
@media (max-width: 560px) {
  [data-v61] > h3:first-child { font-size: 15px !important; padding: 14px 15px 12px 13px !important; }
  [data-v61] > p:first-of-type { font-size: 12px !important; }
  [data-v61] .category-grid { gap: 9px !important; }
  [data-v61] .category-btn { min-height: 84px !important; padding: 12px 12px 10px 12px !important; }
  [data-v61] .category-btn span[style*="font-size"] { font-size: 18px !important; margin-bottom: 8px !important; }
  [data-v61] .category-btn > span:not([style*="font-size"]):not(.v61-tint) { font-size: 12px !important; }
  [data-v61="daily-category"] .primary-btn,
  [data-v61="daily-category"] .secondary-btn {
    min-height: 54px !important;
    padding: 14px 16px !important;
    font-size: 12.5px !important;
  }
}