/* About Page - Glassmorphism Style */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

/* About Page Container */
.about-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Layout with Sidebar */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  margin-top: 40px;
}

.about-main {
  min-width: 0;
}

/* About page: hide empty main prose card (content is handled by sections below) */
body[data-page="about"] .about-main > article.card {
  display: none;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
  align-self: start;
  padding-bottom: 24px;
}

/* Tools/Projects: no sidebar widget column */
body[data-page="tools"] .about-sidebar,
body[data-page="projects"] .about-sidebar {
  display: none;
}

body[data-page="tools"] .about-layout,
body[data-page="projects"] .about-layout {
  grid-template-columns: 1fr;
}

/* Tools/Projects: hide About-only sections rendered by shared template */
body[data-page="tools"] .about-section,
body[data-page="tools"] .about-contact,
body[data-page="projects"] .about-section,
body[data-page="projects"] .about-contact {
  display: none;
}

/* Left sidebar: only enabled on wide About page */
.about-sidebar--left {
  display: none;
}

@media (min-width: 1680px) {
  body[data-page="about"] main.container.page-wrap {
    max-width: 1600px;
  }

  body[data-page="about"] .about-container {
    max-width: 1600px;
  }

  body[data-page="about"] .about-layout {
    grid-template-columns: 320px 1fr 360px;
  }

  body[data-page="about"] .about-sidebar--left {
    display: flex;
  }
}

/* About page: daily news image in left sidebar */
body[data-page="about"] #about-news-card .glass-card-body {
  max-height: calc(100vh - 220px);
  overflow: auto;
}

body[data-page="about"] #about-news-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

/* Custom scrollbar for sidebar */
.about-sidebar::-webkit-scrollbar {
  width: 6px;
}

.about-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.about-sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.about-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Hero Section */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
  min-height: 500px;
}

.about-hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--primary), #7da2ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.about-hero-subtitle {
  font-size: 24px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.about-hero-description {
  font-size: 18px;
  color: var(--text);
  line-height: 1.7;
  margin: 0;
}

.about-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.about-hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-avatar {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 4px solid var(--border);
  box-shadow: var(--shadow);
  object-fit: cover;
  background: var(--surface);
  position: relative;
  z-index: 1;
}

.about-avatar-decoration {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(75, 107, 255, 0.1), rgba(99, 102, 241, 0.05));
  z-index: 0;
  animation: pulse-decoration 3s ease-in-out infinite;
}

@keyframes pulse-decoration {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.3;
  }
}

/* Stats Section */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.about-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.about-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.about-stat-value {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #7da2ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.about-stat-label {
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Skills Section */
.about-section {
  margin-bottom: 80px;
}

.about-section-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--text);
}

.about-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.about-skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.about-skill-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.about-skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(75, 107, 255, 0.1), rgba(99, 102, 241, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.about-skill-icon svg {
  width: 24px;
  height: 24px;
}

.about-skill-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.about-skill-description {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 16px;
}

.about-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-skill-tag {
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

/* Timeline Section */
.about-timeline {
  position: relative;
  padding-left: 40px;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), transparent);
}

.about-timeline-item {
  position: relative;
  margin-bottom: 48px;
}

.about-timeline-item::before {
  content: "";
  position: absolute;
  left: -47px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 4px var(--primary-100);
}

.about-timeline-date {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.about-timeline-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.about-timeline-company {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 12px;
}

.about-timeline-description {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

/* Contact Section */
.about-contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow);
  text-align: center;
}

.about-contact-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.about-contact-description {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.about-contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.about-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}

.about-contact-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(75, 107, 255, 0.3);
}

.about-contact-link svg {
  width: 18px;
  height: 18px;
}

/* Social Links */
.about-social {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.about-social-link {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all 0.3s ease;
}

.about-social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(75, 107, 255, 0.3);
}

.about-social-link svg {
  width: 20px;
  height: 20px;
}

/* Responsive */
@media (max-width: 1200px) {
  .about-layout {
    grid-template-columns: 1fr 320px;
    gap: 32px;
  }

  .about-sidebar {
    top: 90px;
  }
}

@media (max-width: 980px) {
  .about-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .about-hero-image {
    order: -1;
  }

  .about-hero-actions {
    justify-content: center;
  }

  .about-hero-title {
    font-size: 42px;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
}

@media (max-width: 640px) {
  .about-container {
    padding: 24px 16px;
  }

  .about-hero {
    margin-bottom: 48px;
  }

  .about-hero-title {
    font-size: 32px;
  }

  .about-hero-subtitle {
    font-size: 18px;
  }

  .about-avatar {
    width: 240px;
    height: 240px;
  }

  .about-avatar-decoration {
    width: 280px;
    height: 280px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-stat-card {
    padding: 24px 20px;
  }

  .about-stat-value {
    font-size: 36px;
  }

  .about-section {
    margin-bottom: 48px;
  }

  .about-section-title {
    font-size: 28px;
    margin-bottom: 24px;
  }

  .about-contact {
    padding: 32px 24px;
  }

  .about-contact-title {
    font-size: 24px;
  }

  .about-contact-links {
    flex-direction: column;
  }

  .about-contact-link {
    width: 100%;
    justify-content: center;
  }
}

/* Dark Mode */
[data-theme="dark"] .about-avatar {
  border-color: var(--border);
}

[data-theme="dark"] .about-stat-card,
[data-theme="dark"] .about-skill-card,
[data-theme="dark"] .about-contact {
  background: var(--surface);
  border-color: var(--border);
}

[data-theme="dark"] .about-stat-card:hover,
[data-theme="dark"] .about-skill-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-hero,
.about-stats,
.about-section {
  animation: fadeInUp 0.6s ease;
}

.about-stat-card {
  animation: fadeInUp 0.6s ease;
  animation-fill-mode: both;
}

.about-stat-card:nth-child(1) { animation-delay: 0.1s; }
.about-stat-card:nth-child(2) { animation-delay: 0.2s; }
.about-stat-card:nth-child(3) { animation-delay: 0.3s; }
.about-stat-card:nth-child(4) { animation-delay: 0.4s; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .about-avatar-decoration {
    animation: none;
  }

  .about-hero,
  .about-stats,
  .about-section,
  .about-stat-card {
    animation: none;
  }

  .about-stat-card:hover,
  .about-skill-card:hover,
  .about-contact-link:hover,
  .about-social-link:hover {
    transform: none;
  }

  .glass-card,
  .glass-list-item {
    transition: none;
  }

  .glass-card:hover {
    transform: none;
  }
}

/* Glass Card Overrides for About Page */
[data-page="about"] .glass-card {
  cursor: default;
}

[data-page="about"] .glass-card:hover {
  transform: translateY(-4px);
}

[data-page="about"] .glass-list-item {
  cursor: pointer;
}

[data-page="about"] .glass-list-item.is-active {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.35);
  transform: translateX(4px);
}

@keyframes bitlogFlashRing {
  0% {
    box-shadow: 0 0 0 0 rgba(75, 107, 255, 0.0), 0 10px 40px rgba(0, 0, 0, 0.35);
  }
  20% {
    box-shadow: 0 0 0 6px rgba(75, 107, 255, 0.22), 0 18px 60px rgba(0, 0, 0, 0.45);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(75, 107, 255, 0.0), 0 10px 40px rgba(0, 0, 0, 0.35);
  }
}

[data-page="about"] .bitlog-flash {
  animation: bitlogFlashRing 1200ms ease-out;
}

/* Adapt glass cards to light/dark theme */
[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .glass-card:hover {
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .glass-card-title {
  color: var(--text);
}

[data-theme="light"] .glass-card-icon {
  background: rgba(75, 107, 255, 0.1);
}

[data-theme="light"] .glass-card-icon svg {
  color: var(--primary);
}

[data-theme="light"] .glass-card-body {
  color: var(--text);
}

[data-theme="light"] .glass-card-badge {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: #16a34a;
}

[data-theme="light"] .weather-card-temp,
[data-theme="light"] .weather-card-desc {
  color: var(--text);
}

[data-theme="light"] .weather-card-details {
  border-top-color: var(--border);
}

[data-theme="light"] .weather-detail-value {
  color: var(--text);
}

[data-theme="light"] .weather-detail-label {
  color: var(--muted);
}

[data-theme="light"] .glass-list-item {
  background: rgba(0, 0, 0, 0.03);
  border-color: var(--border);
}

[data-theme="light"] .glass-list-item:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .glass-list-item-icon {
  background: rgba(75, 107, 255, 0.1);
}

[data-theme="light"] .glass-list-item-icon svg {
  color: var(--primary);
}

[data-theme="light"] .glass-list-item-title {
  color: var(--text);
}

[data-theme="light"] .glass-list-item-subtitle {
  color: var(--muted);
}

[data-theme="dark"] .glass-card {
  background: rgba(30, 41, 59, 0.7);
  border-color: rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] .glass-card:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7);
}