/* ═══════════════════════════════════════════════════════════
   林祐太 / ぬこぬこ - Profile Page Styles
   Aesthetic: Refined Tech Minimalism
   ═══════════════════════════════════════════════════════════ */

/* CSS Variables - Light Theme (Default) */
:root {
  --color-bg: #faf9f7;
  --color-bg-secondary: #f0eeeb;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #5c5c5c;
  --color-text-muted: #8a8a8a;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  --grain-opacity: 0.03;

  --font-display: 'Zen Maru Gothic', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1219;
    --color-bg-secondary: #181c26;
    --color-surface: #1e2330;
    --color-text: #f0f0f0;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #6a6a6a;
    --color-accent: #60a5fa;
    --color-accent-hover: #93c5fd;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-shadow: rgba(0, 0, 0, 0.3);
    --grain-opacity: 0.04;
  }
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Grain Overlay */
.grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: var(--color-grain);
  opacity: var(--grain-opacity);
  pointer-events: none;
  z-index: 1000;
}

/* Container */
.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

@media (min-width: 640px) {
  .container {
    padding: 4rem 2rem;
  }
}

/* Profile Header */
.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.6s var(--transition-slow) backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Avatar */
.avatar-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--color-surface);
  box-shadow: 0 8px 32px var(--color-shadow);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal);
}

.avatar:hover {
  transform: scale(1.05);
}

.avatar-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), #a855f7, #ec4899);
  opacity: 0.6;
  z-index: 0;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.02);
  }
}

/* Profile Info */
.profile-info {
  animation: fadeInUp 0.6s var(--transition-slow) 0.1s backwards;
}

.name {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.name-jp {
  color: var(--color-text);
}

.name-divider {
  color: var(--color-text-muted);
  font-weight: 400;
}

.name-nick {
  color: var(--color-accent);
}

.bio {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 400px;
  margin-bottom: 1rem;
}

.contact {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 400px;
}

.contact a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.mobile-only {
  display: none;
}

@media (max-width: 480px) {
  .mobile-only {
    display: inline;
  }
}

/* Links Section */
.links-section {
  animation: fadeInUp 0.6s var(--transition-slow) 0.2s backwards;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  padding-left: 0.25rem;
}

/* Links Grid */
.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 540px) {
  .links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 400px) {
  .links-grid {
    grid-template-columns: 1fr;
  }
}

/* Link Card */
.link-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.link-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow);
  border-color: var(--color-accent);
}

.link-card:hover::before {
  opacity: 0.03;
}

.link-card:hover .link-icon {
  color: var(--color-accent);
  transform: scale(1.1);
}

/* Link Header */
.link-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}

.link-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.link-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

/* QR Code */
.qr-wrapper {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  position: relative;
  z-index: 1;
}

.qr-code {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  animation: fadeInUp 0.6s var(--transition-slow) 0.3s backwards;
}

.footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-accent);
}

/* Staggered Animation for Cards */
.link-card:nth-child(1) { animation: fadeInUp 0.5s var(--transition-slow) 0.3s backwards; }
.link-card:nth-child(2) { animation: fadeInUp 0.5s var(--transition-slow) 0.35s backwards; }
.link-card:nth-child(3) { animation: fadeInUp 0.5s var(--transition-slow) 0.4s backwards; }
.link-card:nth-child(4) { animation: fadeInUp 0.5s var(--transition-slow) 0.45s backwards; }
.link-card:nth-child(5) { animation: fadeInUp 0.5s var(--transition-slow) 0.5s backwards; }
.link-card:nth-child(6) { animation: fadeInUp 0.5s var(--transition-slow) 0.55s backwards; }

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Focus States for Accessibility */
.link-card:focus-visible,
.other-link:focus-visible,
.restaurant-item a:focus-visible,
.back-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* ═══════════════════════════════════════════════════════════
   Other Section (トップページ)
   ═══════════════════════════════════════════════════════════ */

.other-section {
  margin-top: 2rem;
  animation: fadeInUp 0.6s var(--transition-slow) 0.6s backwards;
}

.other-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.other-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

.other-link:hover {
  transform: translateX(4px);
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px var(--color-shadow);
}

.other-link-emoji {
  font-size: 1.25rem;
}

.other-link-text {
  flex: 1;
  font-weight: 500;
}

.other-link-arrow {
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.other-link:hover .other-link-arrow {
  transform: translateX(4px);
  color: var(--color-accent);
}

/* ═══════════════════════════════════════════════════════════
   Restaurant Page Styles
   ═══════════════════════════════════════════════════════════ */

.page-header {
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.6s var(--transition-slow) backwards;
}

.back-link {
  display: inline-block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-description {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Area Section */
.area-section {
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.6s var(--transition-slow) 0.1s backwards;
}

.area-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

/* Genre Block */
.genre-block {
  margin-bottom: 1.5rem;
}

.genre-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

/* Restaurant List */
.restaurant-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.restaurant-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

.restaurant-item a:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: 0 4px 16px var(--color-shadow);
}

.restaurant-name {
  font-weight: 500;
}

.restaurant-link-icon {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.restaurant-item a:hover .restaurant-link-icon {
  color: var(--color-accent);
  transform: translate(2px, -2px);
}

/* Restaurant Badge */
.restaurant-badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-left: auto;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.restaurant-badge.unvisited {
  background: var(--color-bg-secondary);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.restaurant-badge.visited {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

@media (prefers-color-scheme: dark) {
  .restaurant-badge.visited {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
  }
}