/* Hi */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --text-primary: #2a2a2a;
  --text-secondary: #555555;
  --bg-main: #fafafa;
  --bg-subtle: #f5f5f5;
  --border-color: #e5e5e5;
  --link-hover: #000000;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 120ms cubic-bezier(0.1, 0.7, 0.1, 1);
  --theme-toggle-size: 32px;
  --signature-color: #165fe8;
  --selection-bg: rgba(22, 95, 232, 0.2);
  --selection-color: var(--text-primary);
  --page-transition: 0.4s var(--transition-smooth);
  --popup-bg: rgba(0, 0, 0, 0.1);
  --z-page: 1;
  --z-theme: 2;
  --z-popup: 3;
  --highlight-text: rgba(67, 90, 111, 0.08);
}

/* Dark theme variables */
[data-theme="dark"] {
  --text-primary: #d1d1d1;
  --text-secondary: #999999;
  --bg-main: #1a1a1e;
  --bg-subtle: #18181c;
  --border-color: #272729;
  --link-hover: #ffffff;
  --signature-color: #71a2ff;
  --selection-bg: rgba(113, 162, 255, 0.2);
  --selection-color: var(--text-primary);
  --highlight-text: rgba(152, 170, 189, 0.08);
}

body {
  font-family: var(--font-mono);
  line-height: 1.5;
  color: var(--text-primary);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  background: var(--bg-main);
  letter-spacing: -0.011em;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--link-hover);
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-color);
}

.highlight-text {
  background-color: var(--highlight-text);
  border-radius: 3px;
  padding: 2px 4px;
  margin: 0 -4px;
}

#page-wrapper {
  transition: opacity var(--transition-fast);
  position: relative;
  z-index: var(--z-page);
  flex: 1;
  display: flex;
  flex-direction: column;
}

#popup-wrapper {
  position: fixed;
  z-index: var(--z-popup);
  pointer-events: none;
}

.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  padding: 72px 0 48px;
}

.header .logo {
  margin-bottom: 24px;
  border-radius: 50%;
  cursor: pointer;
  transform: rotate(0deg);
  transition: transform 0.2s var(--transition-smooth);
}

.header h1 {
  font-size: 30px;
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.3;
}

.header h1 .title {
  letter-spacing: -0.02em;
  display: inline-block;
}

.header h1 .byline {
  display: block;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: normal;
}

.header-desc {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 8px;
}

.dick {
  padding: 48px 0;
}

.footer {
  border-top: 1px solid var(--border-color);
  margin-top: auto; /* Push footer to the bottom */
}

.dick h2 {
  font-size: 16px;
  margin-bottom: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.card {
  padding: 16px;
  margin: 0 -16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: background-color var(--transition-fast);
  will-change: background-color;
  background-color: transparent;
}

.card:hover {
  background-color: var(--bg-subtle);
}

.card.is-available {
  border-style: dashed;
}

.card.is-available:hover .cursor {
  display: inline;
}

.card h3 {
  font-size: 24px;
  margin-bottom: 8px;
  font-weight: 500;
}

.card p {
  font-size: 13px;
  color: var(--text-secondary);
}

.card .card-icon {
  width: 24px;
  height: 24px;
  display: block;
  margin-bottom: 14px;
}

.footer {
  padding: 48px 0;
  justify-content: center;
}

.footer-links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.footer h4 {
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.3;
  }
  
  .footer h4 .words {
    letter-spacing: -0.02em;
    display: inline-block;
  }
  
  .footer h4 .more-words {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
    justify-content: center;
    letter-spacing: normal;
  }

.goodbyes {
  display: flex;
  gap: 16px;
  justify-content: center;
  white-space: nowrap;
}

.hidden {
    opacity: 0;
    transition: opacity 2.5s ease-in-out !important; /* Smooth fade-in effect */
  }
  
  .visible {
    opacity: 5;
  }

  .fireworks-container {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
  }

/* Performance optimization for images */
img {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Better mobile tap targets */
@media (max-width: 768px) {
  .header {
    padding: 56px 0 40px;
  }

  .header h1 {
    font-size: 24px;
  }

  .footer-words {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* Theme toggle styles */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  width: var(--theme-toggle-size);
  height: var(--theme-toggle-size);
  padding: 8px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-main);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  z-index: var(--z-theme);
}

.theme-toggle:hover {
  background: var(--bg-subtle);
}

.theme-toggle svg {
  width: 100%;
  height: 100%;
}

.reaction-overlay {
  position: fixed;
  width: 308px;
  height: 176px;
  z-index: 9999;
  pointer-events: none;
}



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