/* CFDDC — matches modern site (browse / history); WWDC hero accent only */

.cfddc-root {
  --cfddc-card-bg: #ffffff;
  --cfddc-card-border: rgba(229, 231, 235, 0.9);
  --cfddc-card-shadow: rgba(15, 23, 42, 0.06);
  --cfddc-text: #0f172a;
  --cfddc-text-muted: #64748b;
  --cfddc-text-subtle: #94a3b8;
  --cfddc-link: #0b162c;
  --cfddc-eyebrow: #0284c7;
  --cfddc-hero-from: #ffffff;
  --cfddc-hero-via: rgba(248, 250, 252, 0.8);
  --cfddc-hero-to: rgba(240, 249, 255, 0.4);
  --cfddc-pill-bg: rgba(255, 255, 255, 0.8);
  --cfddc-pill-border: rgba(229, 231, 235, 0.9);
  --cfddc-latest-border: rgba(14, 165, 233, 0.45);
  --cfddc-latest-bg: linear-gradient(145deg, #f0f9ff 0%, #ffffff 100%);
  --cfddc-logo-gradient-start: #334155;
  --cfddc-logo-gradient-end: #64748b;
  --cfddc-glow-color: #0b162c;
  --cfddc-glow-shadow: rgba(14, 165, 233, 0.25);
  --cfddc-aura-opacity: 0.45;
}

[data-theme="dark"] .cfddc-root {
  --cfddc-card-bg: #1e293b;
  --cfddc-card-border: #334155;
  --cfddc-card-shadow: rgba(0, 0, 0, 0.35);
  --cfddc-text: #f1f5f9;
  --cfddc-text-muted: #94a3b8;
  --cfddc-text-subtle: #64748b;
  --cfddc-link: #93c5fd;
  --cfddc-eyebrow: #38bdf8;
  --cfddc-hero-from: #1e293b;
  --cfddc-hero-via: #0f172a;
  --cfddc-hero-to: rgba(12, 74, 110, 0.35);
  --cfddc-pill-bg: #1e293b;
  --cfddc-pill-border: #475569;
  --cfddc-latest-border: rgba(56, 189, 248, 0.5);
  --cfddc-latest-bg: linear-gradient(145deg, #0c4a6e 0%, #1e293b 100%);
  --cfddc-logo-gradient-start: #e2e8f0;
  --cfddc-logo-gradient-end: #94a3b8;
  --cfddc-glow-color: #f8fafc;
  --cfddc-glow-shadow: rgba(56, 189, 248, 0.35);
  --cfddc-aura-opacity: 0.35;
}

.cfddc-root {
  color: var(--cfddc-text);
}

/* Hero panel (hub + year) */
.cfddc-hero-panel {
  position: relative;
  margin-bottom: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--cfddc-card-border);
  background: linear-gradient(to bottom right, var(--cfddc-hero-from), var(--cfddc-hero-via), var(--cfddc-hero-to));
  box-shadow: 0 1px 3px var(--cfddc-card-shadow);
  overflow: hidden;
}

@media (min-width: 768px) {
  .cfddc-hero-panel {
    border-radius: 1.5rem;
  }
}

.cfddc-hub-hero__inner,
.cfddc-year-hero__inner {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .cfddc-hub-hero__inner,
  .cfddc-year-hero__inner {
    padding: 2.5rem 2.5rem;
  }
}

.cfddc-hub-hero__eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cfddc-eyebrow);
  margin-bottom: 0.75rem;
}

.cfddc-hub-hero__title {
  font-size: clamp(1.875rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--cfddc-text);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.cfddc-hub-hero__lead {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--cfddc-text-muted);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.cfddc-hub-hero__lead p {
  margin: 0;
}

/* WWDC-style logo (year pages) */
.cfddc-root .wwdc-container {
  position: relative;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.cfddc-root .wwdc-text {
  font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cfddc-root .wwdc-dark {
  background: linear-gradient(180deg, var(--cfddc-logo-gradient-start) 0%, var(--cfddc-logo-gradient-end) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  z-index: 10;
}

.cfddc-root .wwdc-glow {
  color: var(--cfddc-glow-color);
  position: relative;
  z-index: 10;
  text-shadow: 0 0 24px var(--cfddc-glow-shadow);
}

.cfddc-root .aura-layer {
  position: absolute;
  top: 50%;
  right: 0;
  width: 50%;
  height: 120%;
  transform: translateY(-50%);
  z-index: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cfddc-root .aura-orange,
.cfddc-root .aura-blue,
.cfddc-root .aura-white {
  opacity: var(--cfddc-aura-opacity);
}

.cfddc-root .aura-orange {
  position: absolute;
  width: 150px;
  height: 150px;
  background: #ff9d00;
  border-radius: 50%;
  filter: blur(60px);
  transform: translateX(-40px);
  transition: transform 0.2s ease-out;
}

.cfddc-root .aura-blue {
  position: absolute;
  width: 150px;
  height: 150px;
  background: #0ea5e9;
  border-radius: 50%;
  filter: blur(60px);
  transform: translateX(40px);
  transition: transform 0.2s ease-out;
}

.cfddc-root .aura-white {
  position: absolute;
  width: 100px;
  height: 100px;
  background: #e2e8f0;
  border-radius: 50%;
  filter: blur(40px);
  transition: transform 0.2s ease-out;
}

[data-theme="dark"] .cfddc-root .aura-white {
  background: #475569;
}

.cfddc-root .hero-sub {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--cfddc-text);
}

.cfddc-root .hero-dates {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--cfddc-text-muted);
  font-weight: 400;
}

.cfddc-year-switcher {
  max-width: 32rem;
}

.cfddc-year-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--cfddc-text-muted);
  background: var(--cfddc-pill-bg);
  border: 1px solid var(--cfddc-pill-border);
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.cfddc-year-pill:hover {
  color: var(--cfddc-text);
  border-color: var(--cfddc-eyebrow);
}

.cfddc-section-title {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cfddc-text-subtle);
}

.cfddc-link {
  color: var(--cfddc-link);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s, opacity 0.2s;
}

.cfddc-link:hover {
  opacity: 0.85;
  text-decoration: underline;
}

.cfddc-btn {
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: transform 0.15s, background 0.15s;
}

.cfddc-btn--primary {
  color: #fff;
  background: #0b162c;
}

.cfddc-btn--primary:hover {
  background: #1e293b;
  transform: scale(1.02);
}

[data-theme="dark"] .cfddc-btn--primary {
  background: #38bdf8;
  color: #0f172a;
}

[data-theme="dark"] .cfddc-btn--primary:hover {
  background: #7dd3fc;
}

.cfddc-year-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .cfddc-year-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cfddc-year-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cfddc-year-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--cfddc-card-bg);
  border: 1px solid var(--cfddc-card-border);
  border-radius: 1rem;
  color: var(--cfddc-text);
  box-shadow: 0 1px 3px var(--cfddc-card-shadow);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cfddc-year-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--cfddc-card-shadow);
}

[data-theme="dark"] .cfddc-year-card:hover {
  border-color: #64748b;
}

.cfddc-year-card--latest {
  border-color: var(--cfddc-latest-border);
  background: var(--cfddc-latest-bg);
}

.cfddc-year-card__logo {
  display: flex;
  align-items: baseline;
  gap: 0.15em;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.cfddc-year-card__name {
  font-size: 1.5rem;
  background: linear-gradient(180deg, var(--cfddc-logo-gradient-start) 0%, var(--cfddc-logo-gradient-end) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cfddc-year-card__digits {
  font-size: 2rem;
  color: var(--cfddc-text);
}

.cfddc-year-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cfddc-year-card__full {
  font-size: 0.8125rem;
  color: var(--cfddc-text-subtle);
}

.cfddc-year-card__count {
  font-size: 0.9375rem;
  color: var(--cfddc-text-muted);
}

.cfddc-year-card__cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cfddc-link);
  margin-top: auto;
}

.cfddc-announce-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cfddc-announce-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1280px) {
  .cfddc-announce-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cfddc-announce-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.25rem 1rem;
  min-height: 11rem;
  background: var(--cfddc-card-bg);
  border: 1px solid var(--cfddc-card-border);
  border-radius: 0.75rem;
  color: var(--cfddc-text);
  box-shadow: 0 1px 3px var(--cfddc-card-shadow);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cfddc-announce-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--cfddc-card-shadow);
}

[data-theme="dark"] .cfddc-announce-card:hover {
  border-color: #64748b;
}

.cfddc-announce-card__date {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cfddc-text-subtle);
  letter-spacing: 0.02em;
}

.cfddc-announce-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--cfddc-text);
}

.cfddc-announce-card:hover .cfddc-announce-card__title {
  color: var(--cfddc-link);
}

.cfddc-announce-card__descr {
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--cfddc-text-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cfddc-announce-card__cta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--cfddc-link);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.cfddc-empty {
  color: var(--cfddc-text-muted);
  font-size: 1.0625rem;
  padding: 3rem 1rem;
}

.cfddc-footer-links {
  color: var(--cfddc-text-subtle);
}