:root {
  color-scheme: dark;
  --bg: #0b0814;
  --surface: rgba(20, 10, 34, 0.68);
  --surface-strong: rgba(24, 12, 44, 0.92);
  --text: #f8eeff;
  --muted: #d8b4e2;
  --muted-strong: #b08aac;
  --accent: #ff79c6;
  --accent-strong: #ff4d94;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --focus: #ff79c6;
}

body.light {
  color-scheme: light;
  --bg: #f6eef8;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #2f1f3a;
  --muted: #7e6a8a;
  --muted-strong: #6f5c7b;
  --accent: #ff69b4;
  --accent-strong: #db297f;
  --border: rgba(255, 255, 255, 0.75);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
  --focus: #db297f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  padding: 0;
  background: radial-gradient(circle at top, rgba(255, 105, 180, 0.12), transparent 28%),
              radial-gradient(circle at bottom, rgba(103, 50, 143, 0.16), transparent 30%),
              var(--bg);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255, 105, 180, 0.14), transparent 25%),
              radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.12), transparent 24%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 45%);
  pointer-events: none;
  z-index: 0;
  transition: 0.5s;
}

@media (max-width: 768px) {
  body {
    padding: 40px 15px;
  }
}

#bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  body::after {
    transition: none;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Low-end device performance optimizations */
.araya-weak-device * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

.araya-weak-device body::before,
.araya-weak-device body::after {
  display: none;
}

.araya-weak-device #bg-video {
  display: none !important;
}

.araya-weak-device .hero-panel,
.araya-weak-device .container,
.araya-weak-device .section-panel,
.araya-weak-device .hero-avatar-wrap,
.araya-weak-device .widget {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.araya-weak-device h2 {
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  -webkit-text-fill-color: var(--accent) !important;
  text-shadow: none !important;
  animation: none !important;
}

.araya-weak-device #age {
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  -webkit-text-fill-color: var(--accent) !important;
  animation: none !important;
}

.araya-weak-device .birthday-effect {
  animation: none !important;
}

.araya-weak-device .hero-panel::after {
  display: none;
}

.araya-weak-device .electric-border::before,
.araya-weak-device .electric-border::after {
  display: none;
}

.araya-weak-device .level-fill {
  animation: none;
}

.araya-weak-device .avatar:hover {
  transform: none;
}

.araya-weak-device .link:hover {
  transform: none;
}

.araya-weak-device .hero-quote {
  border-left-color: var(--accent);
  background: rgba(255, 255, 255, 0.02);
}

.container {
  contain: layout style paint;
}

.widget {
  contain: content;
}

body, input, button, select, textarea {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p, h1, h2, h3, h4, h5, h6, span {
  text-rendering: optimizeLegibility;
}

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

img[loading="lazy"] {
  background: linear-gradient(90deg, rgba(255, 182, 193, 0.2), rgba(255, 105, 180, 0.2));
  background-size: 200% 100%;
}

@supports (background-image: paint(placeholder)) {
  body::before, body::after {
    contain: paint;
  }
}

a, button {
  -webkit-tap-highlight-color: transparent;
}

button, a, input[type="button"], input[type="submit"] {
  min-height: 44px;
  min-width: 44px;
}

.avatar, .link, .music-btn, .theme-btn {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

@media (prefers-reduced-motion: no-preference) {
  * {
    scroll-behavior: smooth;
  }
}

* {
  scrollbar-color: rgba(255, 182, 193, 0.35) rgba(255, 255, 255, 0.05);
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 182, 193, 0.35);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 182, 193, 0.5);
}

/* Aurora Button Component */
.aurora-button-container {
  position: relative;
  display: inline-block;
}

.aurora-button-glow {
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  background: linear-gradient(135deg, #a855f7, #06b6d4, #10b981);
  opacity: 0.75;
  filter: blur(12px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.aurora-button-container:hover .aurora-button-glow {
  opacity: 1;
  filter: blur(20px);
}

.aurora-button {
  position: relative;
  border-radius: 12px;
  background: rgba(3, 7, 30, 0.9);
  padding: 12px 24px;
  color: #e2e8f0;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid rgba(30, 41, 59, 0.8);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.aurora-button:hover {
  background: rgba(3, 7, 30, 0.7);
  border-color: rgba(30, 41, 59, 1);
}

.aurora-button:active {
  transform: scale(0.98);
}

@media (max-width: 768px) {
  .aurora-button {
    padding: 10px 20px;
    font-size: 13px;
  }
}

/* Theme Toggle Switch Component */
.theme-toggle {
  width: 64px;
  height: 32px;
  padding: 4px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(24, 24, 27, 1);
  border-color: rgba(39, 39, 42, 1);
}

body.light .theme-toggle {
  background: #ffffff;
  border-color: rgba(228, 228, 231, 1);
}

.theme-toggle-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  background: rgba(39, 39, 42, 1);
}

body.light .theme-toggle-thumb {
  transform: translateX(32px);
  background: rgba(229, 229, 229, 1);
}

.theme-toggle-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: opacity 0.3s ease;
}

.theme-toggle-icon.moon {
  color: #ffffff;
  opacity: 1;
}

body.light .theme-toggle-icon.moon {
  color: #666666;
  opacity: 0.4;
}

.theme-toggle-icon.sun {
  color: #999999;
  opacity: 0.4;
}

body.light .theme-toggle-icon.sun {
  color: #000000;
  opacity: 1;
}

/* Animated Copy Button Component */
.copy-button-wrapper {
  position: relative;
}

.copy-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 105, 180, 0.4);
  background: rgba(255, 182, 193, 0.1);
  color: #ff69b4;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  font-size: 16px;
  overflow: hidden;
}

.copy-button:hover:not(:disabled) {
  background: rgba(255, 105, 180, 0.2);
  border-color: rgba(255, 105, 180, 0.6);
  box-shadow: 0 0 12px rgba(255, 105, 180, 0.3);
}

.copy-button:active:not(:disabled) {
  transform: scale(0.95);
}

.copy-button:disabled {
  opacity: 1;
  pointer-events: none;
}

.copy-icon,
.check-icon {
  position: absolute;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.copy-icon {
  transform: scale(1) opacity(1);
  opacity: 1;
}

.copy-button.copied .copy-icon {
  transform: scale(0) opacity(0);
  opacity: 0;
}

.check-icon {
  transform: scale(0) opacity(0);
  opacity: 0;
  color: #10b981;
}

.copy-button.copied .check-icon {
  transform: scale(1) opacity(1);
  opacity: 1;
}

/* Tooltip Styles */
.copy-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 8px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.9);
  color: #fff;
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.copy-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: rgba(0, 0, 0, 0.9);
  clip-path: polygon(100% 0%, 0 100%, 100% 100%);
}

.copy-button-wrapper:hover .copy-tooltip {
  opacity: 1;
}

*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid #ff69b4;
  outline-offset: 2px;
}

@media (prefers-contrast: more) {
  * {
    border-width: 2px;
  }
}

@media print {
  body::before, body::after {
    display: none;
  }
  
  #bg-video {
    display: none;
  }
  
  .container {
    max-width: 100%;
    box-shadow: none;
  }
}