/* React-Specific Styles for Enhanced Features */

/* Typing Animation */
.cursor-blink {
  display: inline-block;
  animation: blink 1s infinite;
  margin-left: 2px;
  color: var(--teal-500);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}


/* Dark Mode Theme (Feature #11) */
[data-theme="dark"] {
  --white: #1a1a2e;
  --navy-900: #e4e4e8;
  --navy-800: #d1d5db;
  --navy-700: #9ca3af;
  --text: #f3f4f6;
  --muted: #2d2d44;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] body {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

[data-theme="dark"] .site-header {
  background: rgba(26, 26, 46, 0.9);
  border-bottom: 1px solid rgba(23, 184, 193, 0.2);
}

[data-theme="dark"] .section-alt {
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

[data-theme="dark"] .card,
[data-theme="dark"] .achievement,
[data-theme="dark"] .xp-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(26, 26, 46, 0.9) 100%);
  border-color: rgba(23, 184, 193, 0.2);
}

[data-theme="dark"] .nav-link {
  color: var(--navy-800);
}

[data-theme="dark"] .contact-link,
[data-theme="dark"] .btn-ghost {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(26, 26, 46, 0.9) 100%);
  border-color: rgba(23, 184, 193, 0.3);
  color: var(--navy-800);
}

[data-theme="dark"] .link {
  color: var(--navy-800);
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid rgba(23, 184, 193, 0.2);
  background: rgba(255, 255, 255, 0.9);
  color: var(--navy-800);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 18px;
  margin-left: 12px;
}

.theme-toggle:hover {
  background: var(--gradient-2);
  color: white;
  border-color: transparent;
  transform: translateY(-2px) rotate(15deg);
  box-shadow: 0 6px 20px rgba(23, 184, 193, 0.3);
}

[data-theme="dark"] .theme-toggle {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(23, 184, 193, 0.3);
  color: var(--navy-800);
}

/* Custom Logo (Feature #31) */
.custom-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(23, 184, 193, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.custom-logo:hover {
  transform: translateY(-2px) scale(1.05) rotate(5deg);
  box-shadow: 0 6px 20px rgba(23, 184, 193, 0.4);
}

.custom-logo svg {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.custom-logo:hover svg {
  transform: scale(1.1);
}

/* 3D Card Effects (Feature #28) */
.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

.card-3d .card {
  transform-style: preserve-3d;
}

.card-3d:hover {
  transition: transform 0.3s ease-out;
}

/* Particle Background is handled via canvas in JS */

/* Interactive Resume Download Button (Feature #42) */
.btn-resume {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #17b8c1 0%, #0f2540 100%);
  color: var(--white);
  border: none;
  min-width: 180px;
}

.btn-resume .btn-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
}

.btn-resume .btn-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.5);
  width: 0%;
  transition: width 1.5s ease;
  z-index: 1;
}

.btn-resume.downloading .btn-progress {
  width: 100%;
}

.btn-resume:disabled {
  opacity: 0.8;
  cursor: not-allowed;
}

.btn-resume:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(23, 184, 193, 0.35);
}

.btn-resume:active:not(:disabled) {
  transform: translateY(-1px) scale(0.98);
}

/* Update CTA layout for multiple buttons */
.cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* Responsive adjustments */
@media (max-width: 680px) {
  .theme-toggle {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .btn-resume {
    min-width: 100%;
    margin-top: 8px;
  }

  .cta {
    flex-direction: column;
  }

  .cta .btn,
  .cta .btn-resume {
    width: 100%;
  }
}