/* ============================================
   林克 · 内容基地 (Content Hub)
   Zelda: Breath of the Wild Theme + Tab Navigation
   ============================================ */

/* --- Hub Layout --- */
.hub-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hub-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
  width: 100%;
  flex: 1;
}

/* --- Header --- */
.hub-header {
  text-align: center;
  padding: 36px 0 24px;
}

.hub-header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.hub-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2.5px solid var(--sheikah-blue);
  box-shadow: var(--sheikah-glow);
  object-fit: cover;
}

.hub-header-text {
  text-align: left;
}

.hub-title {
  font-family: var(--font-title);
  font-size: 28px;
  color: var(--zelda-brown);
  text-shadow: 1px 1px 0 rgba(255,255,255,0.5), 0 0 20px rgba(245,215,110,0.2);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.hub-subtitle {
  font-size: 13px;
  color: var(--zelda-brown);
  opacity: 0.7;
  letter-spacing: 1px;
}

.hub-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.hub-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 12px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.hub-tag--ai {
  background: rgba(0, 212, 255, 0.12);
  color: var(--sheikah-blue-dark);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.hub-tag--rd {
  background: rgba(93, 138, 74, 0.12);
  color: var(--zelda-green);
  border: 1px solid rgba(93, 138, 74, 0.3);
}

.hub-tag--column {
  background: rgba(212, 168, 42, 0.12);
  color: var(--zelda-gold-dark);
  border: 1px solid rgba(212, 168, 42, 0.3);
}

/* --- Stats Row --- */
.hub-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(107, 83, 68, 0.12);
}

.hub-stat {
  text-align: center;
}

.hub-stat-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--sheikah-blue-dark);
}

.hub-stat-label {
  font-size: 11px;
  color: var(--zelda-brown);
  opacity: 0.6;
  margin-top: 1px;
}

/* --- Tab Navigation --- */
.hub-tabs {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hub-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 1px;
  border: 1.5px solid rgba(107, 83, 68, 0.2);
  border-radius: var(--radius-md);
  background: rgba(245, 230, 200, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--zelda-brown);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.hub-tab:hover {
  background: rgba(245, 230, 200, 0.8);
  border-color: rgba(107, 83, 68, 0.35);
  transform: translateY(-1px);
}

.hub-tab.active {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: rgba(0, 212, 255, 0.5);
  color: var(--sheikah-blue-light);
  box-shadow: var(--shadow-glow-blue);
}

.hub-tab.active:hover {
  border-color: var(--sheikah-blue);
}

.hub-tab-icon {
  font-size: 14px;
}

/* --- Tab Panels --- */
.hub-panel {
  display: none;
  animation: panelFadeIn 0.3s ease;
}

.hub-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- About Panel --- */
.about-intro {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 20px;
  opacity: 0.9;
}

.about-intro strong {
  color: var(--sheikah-blue-light);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.about-card {
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  transition: all var(--transition-normal);
}

.about-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: var(--shadow-glow-blue);
}

.about-card-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.about-card-title {
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--sheikah-blue-light);
  margin-bottom: 6px;
}

.about-card-desc {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
}

.about-homepage-link {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

/* --- AI Insight Panel --- */
.daily-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 168, 204, 0.04) 100%);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.daily-banner-info {
  flex: 1;
}

.daily-banner-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sheikah-blue);
  margin-bottom: 3px;
}

.daily-banner-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
}

.daily-banner-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

.project-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.project-card-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.08);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.project-card-name {
  font-family: var(--font-title);
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 0.3px;
  margin-bottom: 2px;
}

.project-card-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.project-card-quality {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  padding: 1px 8px;
  border-radius: 10px;
  background: rgba(212, 168, 42, 0.15);
  color: var(--zelda-gold-light);
  border: 1px solid rgba(212, 168, 42, 0.3);
  margin-top: 6px;
  width: fit-content;
}

.project-card-footer {
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-card-date {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.project-card-link {
  font-size: 11px;
  color: var(--sheikah-blue);
  font-weight: 500;
}

.ai-platform-link {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

/* --- Insight Section Headers (AI Insight Panel) --- */
.insight-section {
  margin-bottom: 24px;
}

.insight-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.insight-section-title {
  font-family: var(--font-title);
  font-size: 16px;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

.insight-section-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-live {
  background: rgba(0, 212, 255, 0.12);
  color: var(--sheikah-blue);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-count {
  background: rgba(212, 168, 42, 0.1);
  color: var(--zelda-gold);
  border: 1px solid rgba(212, 168, 42, 0.25);
}

.insight-section-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* --- R&D Efficiency Coming Soon --- */
.rd-coming-soon.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.coming-soon-card {
  text-align: center;
  max-width: 440px;
  padding: 36px 28px;
  background: rgba(180, 170, 150, 0.06);
  border: 1.5px dashed rgba(180, 170, 150, 0.2);
  border-radius: var(--radius-md);
}

.coming-soon-icon {
  font-size: 32px;
  opacity: 0.35;
  margin-bottom: 10px;
}

.coming-soon-title {
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--zelda-brown);
  opacity: 0.7;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.coming-soon-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(107, 83, 68, 0.45);
  margin-bottom: 14px;
  padding: 3px 14px;
  border: 1px dashed rgba(107, 83, 68, 0.2);
  border-radius: 20px;
  display: inline-block;
}

.coming-soon-desc {
  font-size: 12px;
  line-height: 1.8;
  color: var(--zelda-brown);
  opacity: 0.5;
  margin-bottom: 14px;
}

.coming-soon-tags {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.coming-soon-tag {
  padding: 3px 10px;
  border-radius: 14px;
  font-size: 11px;
  background: rgba(107, 83, 68, 0.06);
  color: rgba(107, 83, 68, 0.4);
  border: 1px solid rgba(107, 83, 68, 0.1);
}

/* --- Tab Badge (Coming Soon) --- */
.tab-badge-coming {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 8px;
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  background: rgba(180, 170, 150, 0.15);
  color: rgba(180, 170, 150, 0.7);
  border: 1px solid rgba(180, 170, 150, 0.2);
  margin-left: 4px;
}

/* --- Column Panel --- */
.column-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-light);
  opacity: 0.85;
  margin-bottom: 20px;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(212, 168, 42, 0.04);
  border: 1px solid rgba(212, 168, 42, 0.15);
  border-radius: var(--radius-md);
  padding: 16px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

.article-card:hover {
  border-color: rgba(212, 168, 42, 0.4);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-2px);
}

.article-card-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 42, 0.1);
  border: 1px solid rgba(212, 168, 42, 0.3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--zelda-gold);
}

.article-card-content {
  flex: 1;
  min-width: 0;
}

.article-card-title {
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.article-card-excerpt {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 6px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--text-muted);
}

.article-status {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 500;
}

.article-status--published {
  background: rgba(93, 138, 74, 0.15);
  color: #8bc34a;
  border: 1px solid rgba(93, 138, 74, 0.3);
}

.article-status--coming {
  background: rgba(212, 168, 42, 0.1);
  color: var(--zelda-gold);
  border: 1px solid rgba(212, 168, 42, 0.25);
}

.article-read-link {
  font-size: 11px;
  color: var(--zelda-gold);
  margin-left: auto;
}

/* --- Column Roadmap --- */
.column-roadmap {
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(212, 168, 42, 0.04);
  border: 1px solid rgba(212, 168, 42, 0.15);
  border-radius: var(--radius-md);
}

.column-roadmap-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--zelda-gold);
  margin-bottom: 8px;
}

.roadmap-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.roadmap-item {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 168, 42, 0.2);
  color: var(--text-muted);
}

.roadmap-item--done {
  background: rgba(212, 168, 42, 0.15);
  border-color: rgba(212, 168, 42, 0.4);
  color: var(--zelda-gold);
}

/* --- My Places Panel --- */
.places-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.place-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(93, 138, 74, 0.04);
  border: 1px solid rgba(93, 138, 74, 0.18);
  border-radius: var(--radius-md);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

.place-card:hover {
  border-color: rgba(93, 138, 74, 0.45);
  box-shadow: 0 0 20px rgba(93, 138, 74, 0.12);
  transform: translateY(-2px);
}

.place-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(93, 138, 74, 0.08);
  border: 1px solid rgba(93, 138, 74, 0.2);
  border-radius: var(--radius-md);
}

.place-card-body {
  flex: 1;
  min-width: 0;
}

.place-card-title {
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--text-light);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.place-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 6px;
}

.place-card-note {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  padding: 2px 10px;
  border-radius: 10px;
  background: rgba(212, 168, 42, 0.1);
  color: var(--zelda-gold);
  border: 1px solid rgba(212, 168, 42, 0.25);
}

.place-card-arrow {
  flex-shrink: 0;
  font-size: 16px;
  color: var(--zelda-green);
  opacity: 0.5;
  transition: all var(--transition-normal);
}

.place-card:hover .place-card-arrow {
  opacity: 1;
  transform: translateX(3px);
}

/* --- Footer --- */
.hub-footer {
  text-align: center;
  padding: 20px 0;
  margin-top: 12px;
  border-top: 1px solid rgba(107, 83, 68, 0.1);
}

.hub-footer-text {
  font-size: 12px;
  color: var(--zelda-brown);
  opacity: 0.5;
}

.hub-footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 8px;
}

.hub-footer-links a {
  font-size: 12px;
  color: var(--zelda-brown);
  opacity: 0.6;
  text-decoration: none;
  transition: opacity 0.2s;
}

.hub-footer-links a:hover {
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hub-main {
    padding: 16px 14px;
  }

  .hub-header {
    padding: 24px 0 16px;
  }

  .hub-header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .hub-header-text {
    text-align: center;
  }

  .hub-avatar {
    width: 64px;
    height: 64px;
  }

  .hub-title {
    font-size: 22px;
  }

  .hub-stats {
    gap: 16px;
  }

  .hub-stat-value {
    font-size: 16px;
  }

  .hub-tabs {
    gap: 4px;
  }

  .hub-tab {
    padding: 8px 14px;
    font-size: 12px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .daily-banner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .article-card {
    flex-direction: column;
    gap: 10px;
  }

  .place-card {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .place-card-arrow {
    display: none;
  }

  .knowledge-stats {
    flex-wrap: wrap;
    gap: 12px;
  }

  .knowledge-stat {
    min-width: 70px;
  }
}