/* ── Local Font Declarations ────────────────────────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('../../assets/fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../../assets/fonts/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Space Mono';
  src: url('../../assets/fonts/SpaceMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Professional Theme (default) ──────────────────────────────────────── */
:root,
[data-theme="pro"] {
  --bg-base:            #0f1117;
  --bg-surface:         #1a1d27;
  --bg-surface-hover:   #22263a;
  --bg-featured:        #13162080;

  --accent-primary:     #00e5ff;
  --accent-secondary:   #ff0055;
  --accent-glow:        rgba(0, 229, 255, 0.15);

  --cat-arcade:         #f59e0b;
  --cat-card:           #10b981;
  --cat-puzzle:         #8b5cf6;
  --cat-edu:            #3b82f6;
  --cat-project:        #64748b;
  --cat-wosky:          #e11d48;

  --text-primary:       #f3f4f6;
  --text-secondary:     #9ca3af;
  --text-muted:         #4b5563;

  --font-ui:            'Inter', sans-serif;
  --font-mono:          'Space Mono', monospace;
  --font-display:       'Inter', sans-serif;

  --radius-sm:          4px;
  --radius-md:          8px;
  --radius-lg:          16px;

  --transition-fast:    0.2s ease-in-out;
  --transition-med:     0.35s ease-in-out;

  --featured-border:    1px solid rgba(0, 229, 255, 0.12);
  --nav-border:         1px solid rgba(255, 255, 255, 0.05);

  --card-border:        rgba(255, 255, 255, 0.06);
  --card-border-hover:  var(--accent-primary);
  --card-shadow-hover:  0 8px 32px rgba(0, 229, 255, 0.12);

  --filter-active-bg:   var(--accent-primary);
  --filter-active-color:#000;

  --btn-bg:             var(--accent-primary);
  --btn-color:          #000;
  --btn-shadow:         0 0 20px rgba(0, 229, 255, 0.35);

  --toggle-color:       var(--text-secondary);
  --toggle-hover:       var(--accent-primary);
}

/* ── Fun / Arcade Theme ─────────────────────────────────────────────────── */
[data-theme="fun"] {
  --bg-base:            #0d0221;
  --bg-surface:         #160838;
  --bg-surface-hover:   #1e0b4a;
  --bg-featured:        #1a0535cc;

  --accent-primary:     #ff2ced;
  --accent-secondary:   #ffe600;
  --accent-glow:        rgba(255, 44, 237, 0.25);

  --cat-arcade:         #ff6b35;
  --cat-card:           #00ff88;
  --cat-puzzle:         #c77dff;
  --cat-edu:            #48cae4;
  --cat-project:        #8338ec;

  --text-primary:       #ffffff;
  --text-secondary:     #d0aeff;
  --text-muted:         #7b5da8;

  --font-display:       'Space Mono', monospace;

  --featured-border:    1px solid rgba(255, 44, 237, 0.3);
  --nav-border:         1px solid rgba(255, 44, 237, 0.15);

  --card-border:        rgba(255, 44, 237, 0.15);
  --card-border-hover:  var(--accent-primary);
  --card-shadow-hover:  0 8px 32px rgba(255, 44, 237, 0.3);

  --filter-active-bg:   var(--accent-primary);
  --filter-active-color:#fff;

  --btn-bg:             var(--accent-primary);
  --btn-color:          #fff;
  --btn-shadow:         0 0 28px rgba(255, 44, 237, 0.6);

  --toggle-color:       var(--text-secondary);
  --toggle-hover:       var(--accent-secondary);
}

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

/* ── Base ───────────────────────────────────────────────────────────────── */
body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
  min-height: 100vh;
}

[data-theme="fun"] body {
  /* Subtle scanline pattern for arcade feel */
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 44, 237, 0.02) 2px,
    rgba(255, 44, 237, 0.02) 4px
  );
}

/* ── Global Navigation ──────────────────────────────────────────────────── */
.global-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 5%;
  background-color: var(--bg-surface);
  border-bottom: var(--nav-border);
  min-height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  min-height: 44px;
  text-shadow: 0 0 20px var(--accent-glow);
}

[data-theme="fun"] .nav-brand {
  font-size: 1.1rem;
  letter-spacing: 3px;
  animation: neon-pulse 3s ease-in-out infinite;
}

@keyframes neon-pulse {
  0%, 100% { text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--accent-glow); }
  50%       { text-shadow: 0 0 20px var(--accent-glow), 0 0 60px var(--accent-glow), 0 0 80px var(--accent-glow); }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stats-container {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  opacity: 0.8;
}

.theme-toggle-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--toggle-color);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  transition: var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.theme-toggle-link:hover {
  color: var(--toggle-hover);
  border-color: var(--toggle-hover);
}

/* ── Featured Section ───────────────────────────────────────────────────── */
.featured-section {
  padding: 2.5rem 5%;
  border-bottom: var(--featured-border);
  background: var(--bg-featured);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 768px) {
  .featured-section {
    flex-direction: row;
    align-items: center;
    padding: 3rem 5%;
  }
}

/* Left: all text content */
.featured-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

/* Right: large decorative icon, desktop only */
.featured-visual {
  display: none;
}

@media (min-width: 768px) {
  .featured-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    position: relative;
  }
  .featured-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
    animation: hero-pulse 3s ease-in-out infinite;
  }
}

.featured-visual-icon {
  font-size: 5.5rem;
  line-height: 1;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

@keyframes hero-pulse {
  0%, 100% { transform: scale(1);   opacity: 0.7; }
  50%       { transform: scale(1.12); opacity: 1; }
}

.featured-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-secondary);
}

/* Small icon shown on mobile only (hidden on desktop since visual panel takes over) */
.featured-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}

@media (min-width: 768px) {
  .featured-icon { display: none; }
}

[data-theme="fun"] .featured-icon {
  animation: bounce-icon 2s ease-in-out infinite;
}

@keyframes bounce-icon {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.featured-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.featured-version {
  font-size: 0.5em;
  font-family: var(--font-mono);
  color: var(--text-muted);
  vertical-align: middle;
}

.featured-desc {
  color: var(--text-secondary);
  max-width: 560px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-color);
  padding: 12px 28px;
  border-radius: 99px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  width: fit-content;
  margin-top: 0.5rem;
  transition: var(--transition-fast);
  box-shadow: var(--btn-shadow);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: var(--btn-shadow), 0 4px 16px rgba(0,0,0,0.3);
}

[data-theme="fun"] .btn-primary {
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: btn-glow 2s ease-in-out infinite;
}

@keyframes btn-glow {
  0%, 100% { box-shadow: var(--btn-shadow); }
  50%       { box-shadow: 0 0 40px rgba(255, 44, 237, 0.8), 0 0 80px rgba(255, 44, 237, 0.4); }
}

/* ── Library Section ────────────────────────────────────────────────────── */
.library-section {
  padding-top: 2rem;
}

.library-header {
  padding: 0 5%;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.library-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.library-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

[data-theme="fun"] .library-title {
  color: var(--accent-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 1.1rem;
}

.projects-hub-link {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  white-space: nowrap;
  transition: color 0.2s;
}
.projects-hub-link:hover {
  color: var(--text-secondary);
}