/* ============================================
   YUZUHUB - Personal Link Hub
   Organic Code Design System
   ============================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Nunito:wght@700;800;900&display=swap");
@import url("./design-tokens.css");

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
  /* Subtle Grid Background */
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center top;
  background-blend-mode: overlay;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.main {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 100;
  width: var(--toggle-size);
  height: var(--toggle-size);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, border-color 0.3s ease,
    transform 0.2s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .theme-toggle,
:root:not([data-theme="dark"]) .theme-toggle {
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .theme-toggle {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

[data-theme="dark"] .theme-toggle:hover {
  box-shadow: 0 0 15px var(--accent-glow-strong);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-toggle svg {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
  transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .icon-sun,
:root:not([data-theme]) .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-lg);
  padding-top: var(--space-2xl);
}

.avatar {
  width: var(--avatar-size);
  height: var(--avatar-size);
  border-radius: var(--radius-full);
  border: 3px solid transparent;
  background: var(--color-surface);
  overflow: hidden;
  animation: float 5s ease-in-out infinite;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .avatar,
:root:not([data-theme="dark"]) .avatar {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .avatar {
  border-color: rgba(255, 255, 255, 0.1);
}

.avatar:hover {
  border-color: var(--color-primary);
}

[data-theme="dark"] .avatar:hover {
  box-shadow: 0 0 30px var(--accent-glow);
}

[data-theme="light"] .avatar:hover {
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.1);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Placeholder avatar */
.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-primary-light),
    var(--color-surface)
  );
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-title span {
  color: var(--color-primary);
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.section-title::after {
  content: "";
  flex: 1;
  height: 2px;
  background: var(--color-border);
  border-radius: var(--radius-full);
}

/* ============================================
   BENTO GRID
   ============================================ */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  grid-auto-flow: dense;
}

/* Réseaux: Bento layout explicite (évite les décalages et le passage en 3 colonnes) */
.bento-grid.bento-grid--social {
  grid-auto-flow: row;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, minmax(92px, auto));
  grid-template-areas:
    "x x github github"
    "youtube youtube twitch twitch"
    "reddit reddit discord tiktok";
}

.bento-grid--social [data-brand="x"] {
  grid-area: x;
}

.bento-grid--social [data-brand="github"] {
  grid-area: github;
}

.bento-grid--social [data-brand="reddit"] {
  grid-area: reddit;
}

.bento-grid--social [data-brand="discord"] {
  grid-area: discord;
}

.bento-grid--social [data-brand="twitch"] {
  grid-area: twitch;
}

.bento-grid--social [data-brand="youtube"] {
  grid-area: youtube;
}

.bento-grid--social [data-brand="tiktok"] {
  grid-area: tiktok;
}

/* Projets: grille centrée */
.bento-grid.projects-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.bento-grid.projects-grid .project-card {
  flex: 0 1 280px;
  max-width: 320px;
}

/* Hiérarchie visuelle: Discord + TikTok moins mis en avant */
.bento-grid--social [data-brand="discord"],
.bento-grid--social [data-brand="tiktok"] {
  padding: var(--space-md);
}

.bento-grid--social [data-brand="discord"] .link-card-icon,
.bento-grid--social [data-brand="tiktok"] .link-card-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
}

.bento-grid--social [data-brand="discord"] .link-card-icon svg,
.bento-grid--social [data-brand="tiktok"] .link-card-icon svg {
  width: 22px;
  height: 22px;
}

.bento-grid--social [data-brand="discord"] .link-card-title,
.bento-grid--social [data-brand="tiktok"] .link-card-title {
  font-size: 1.02rem;
}

@media (max-width: 900px) {
  .bento-grid.bento-grid--social {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(4, minmax(92px, auto));
    grid-template-areas:
      "x github"
      "youtube twitch"
      "reddit reddit"
      "discord tiktok";
  }
}

/* Bento Sizes */
.link-card.bento-full {
  grid-column: span 2;
}

.link-card.bento-tall {
  grid-row: span 2;
}

/* Responsive - 1 colonne sur mobile */
@media (max-width: 500px) {
  .bento-grid:not(.bento-grid--social) {
    grid-template-columns: 1fr;
  }

  .bento-grid.bento-grid--social {
    grid-template-columns: 1fr;
    grid-template-areas:
      "x"
      "github"
      "reddit"
      "discord"
      "twitch"
      "youtube"
      "tiktok";
  }

  .link-card.bento-full,
  .link-card.bento-tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* ============================================
   LINK CARDS
   ============================================ */
.link-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease,
    background-color 0.3s ease, box-shadow 0.3s ease;
  min-height: 100%;
}

/* Adaptations Bento pour les cartes */
.link-card.bento-wide .link-card-arrow {
  margin-left: auto;
}

[data-theme="light"] .link-card,
:root:not([data-theme="dark"]) .link-card {
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .link-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.link-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

[data-theme="light"] .link-card:hover {
  box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .link-card:hover {
  box-shadow: 0 0 20px var(--accent-glow);
}

.link-card:active {
  transform: translateY(-2px);
}

.link-card-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  transition: background-color var(--transition-base),
    color var(--transition-base);
}

.link-card-icon svg {
  width: 24px;
  height: 24px;
}

.link-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.link-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-base);
}

.link-card-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-card-arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  transition: transform var(--transition-base), color var(--transition-base);
}

.link-card-arrow svg {
  width: 20px;
  height: 20px;
}

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

/* Social brand colors on hover */
.link-card[data-brand="x"]:hover .link-card-icon {
  background: var(--brand-x);
  color: #fff;
}

.link-card[data-brand="github"]:hover .link-card-icon {
  background: var(--brand-github);
  color: #fff;
}

.link-card[data-brand="reddit"]:hover .link-card-icon {
  background: var(--brand-reddit);
  color: #fff;
}

.link-card[data-brand="youtube"]:hover .link-card-icon {
  background: var(--brand-youtube);
  color: #fff;
}

.link-card[data-brand="twitch"]:hover .link-card-icon {
  background: var(--brand-twitch);
  color: #fff;
}

.link-card[data-brand="tiktok"]:hover .link-card-icon {
  background: var(--brand-tiktok);
  color: #fff;
}

.link-card[data-brand="discord"]:hover .link-card-icon {
  background: var(--brand-discord);
  color: #fff;
}

.link-card[data-brand="osu"]:hover .link-card-icon {
  background: var(--brand-osu);
  color: #fff;
}

.link-card[data-brand="steam"]:hover .link-card-icon {
  background: var(--brand-steam);
  color: #fff;
}

.link-card[data-brand="riot"]:hover .link-card-icon {
  background: var(--brand-riot);
  color: #fff;
}

/* ============================================
   PROJECT CARDS
   ============================================ */
.project-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, border-color 0.3s ease,
    background-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .project-card,
:root:not([data-theme="dark"]) .project-card {
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .project-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

[data-theme="light"] .project-card:hover {
  box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 0 0 20px var(--accent-glow);
}

.project-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.project-card-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.project-card-description {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.project-card-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base),
    color var(--transition-base), transform var(--transition-fast);
}

.project-link svg {
  width: 16px;
  height: 16px;
}

.project-link-primary {
  background: var(--color-primary);
  color: #fff;
}

.project-link-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

.project-link-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.project-link-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer p + p {
  margin-top: var(--space-xs);
}

.footer a {
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

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

.hero,
.section {
  animation: fadeInUp 0.6s ease-out backwards;
}

.section:nth-child(2) {
  animation-delay: 0.1s;
}

.section:nth-child(3) {
  animation-delay: 0.2s;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .container {
    padding: var(--space-lg) var(--space-md);
  }

  .main {
    gap: var(--space-2xl);
  }

  .hero {
    padding-top: var(--space-xl);
  }

  .avatar {
    width: var(--avatar-size-mobile);
    height: var(--avatar-size-mobile);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .bento-grid:not(.bento-grid--social) {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .link-card {
    padding: var(--space-md);
  }

  .project-card {
    padding: var(--space-lg);
  }

  .theme-toggle {
    top: var(--space-md);
    right: var(--space-md);
    width: var(--toggle-size-mobile);
    height: var(--toggle-size-mobile);
  }
}

@media (min-width: 900px) {
  .bento-grid:not(.bento-grid--social) {
    grid-template-columns: repeat(3, 1fr);
  }
}