* { box-sizing: border-box; }

html, body {
  padding: 0; margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
}

body {
  background: #fff;
  color: #000;
  transition: background 0.35s ease, color 0.35s ease;
}

body.dark { background: #212121; color: #fff; }

.preloader {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.2rem;
}
.pulse-heart {
  width: 46px; fill: #ED64A6;
  animation: heartbeat 1.3s ease-in-out infinite;
}
@keyframes heartbeat {
  0%, 100% { transform: scale(1); opacity: 0.65; }
  50% { transform: scale(1.18); opacity: 1; }
}

.chip {
  display: inline-block;
  background: #fafafa;
  color: #000;
  border-radius: 5px;
  padding: 0.75rem;
  font-size: 1.1rem;
  font-family: Menlo, Monaco, 'Lucida Console', 'Liberation Mono',
    'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace;
}
.dark .chip { background: #fafafa; color: #000; }

.container {
  min-height: 100vh;
  padding: 0 0.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

main {
  padding: 2.5rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.title {
  margin: 0;
  line-height: 1.15;
  font-size: 4rem;
  text-align: center;
}

.description {
  line-height: 1.5;
  font-size: 1.5rem;
  text-align: center;
  margin: 0.75rem 0 0;
}

.toggle-container { padding-bottom: 25px; padding-top: 18px; }
#themeToggle {
  background: none; border: none; cursor: pointer;
  color: inherit; padding: 6px;
  border-radius: 50%;
  transition: transform 0.4s ease;
}
#themeToggle:hover { transform: rotate(30deg) scale(1.12); }
#themeToggle svg { width: 26px; height: 26px; display: block; }

.compliment { cursor: pointer; max-width: 92vw; text-align: center; }
.compliment:hover, .compliment:active, .compliment:focus {
  color: #F687B3;
  border-color: #F687B3;
  outline: 1px solid #F687B3;
}
.dark .compliment:hover, .dark .compliment:active, .dark .compliment:focus {
  background: #ED64A6;
  border-color: #ED64A6;
  outline: none;
  color: #000;
}

.vibe-wrapper {
  display: flex; flex-direction: column;
  align-items: center;
  padding-top: 15px;
}
.vibe-wrapper h3 { margin: 1.5rem 0 0; font-size: 1.5rem; }
.vibe-hint {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  opacity: 0.55;
  letter-spacing: 0.08em;
}
.vibe-buttons {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding-top: 18px;
}
.vibe-btn {
  font-family: inherit;
  font-size: 0.88rem; font-weight: 600;
  padding: 0.55rem 1.3rem;
  border-radius: 999px; cursor: pointer;
  border: 1px solid #eaeaea;
  background: #fafafa; color: #000;
  transition: border-color 0.25s, background 0.25s, color 0.25s,
              transform 0.25s, box-shadow 0.25s;
}
.dark .vibe-btn {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.vibe-btn:hover {
  border-color: #ED64A6; color: #ED64A6;
  transform: translateY(-2px);
}
.vibe-btn.active {
  background: #ED64A6; border-color: #ED64A6;
  color: #fff !important;
  box-shadow: 0 10px 24px -12px rgba(237, 100, 166, 0.7);
}
.vibe-stage {
  margin-top: 22px;
  width: min(420px, 92vw);
  border: 1px solid #eaeaea;
  border-radius: 16px;
  padding: 16px 16px 12px;
  background: #fafafa;
  display: flex; flex-direction: column;
  align-items: center; gap: 13px;
}
.dark .vibe-stage {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
}
.vibe-msg {
  font-family: Menlo, Monaco, 'Lucida Console', 'Courier New', monospace;
  font-size: 0.92rem;
  text-align: center;
}
.dark .vibe-msg { color: #fff; }
.vibe-media { width: 100%; }
.vibe-media img,
.vibe-media video {
  width: 100%;
  max-height: 62vh;
  object-fit: cover;
  border-radius: 10px;
  display: block;
  background: #111;
}
.vibe-more {
  font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.4);
}
.dark .vibe-more { color: rgba(255, 255, 255, 0.4); }

.grid {
  display: flex; align-items: stretch; justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 800px;
  margin-top: 3rem;
  padding: 0 1rem;
}
.link-card {
  width: 236px;
  border: 1px solid #eaeaea;
  border-radius: 8px;
  padding: 1.25rem 1.3rem;
  display: flex; flex-direction: column; gap: 0.35rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.link-card:hover {
  border-color: #ED64A6;
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -16px rgba(237, 100, 166, 0.6);
}
.dark .link-card { border-color: rgba(255, 255, 255, 0.22); }
.dark .link-card:hover { border-color: #ED64A6; }
.lc-title { font-weight: 700; font-size: 1rem; }
.lc-desc { font-size: 0.82rem; opacity: 0.62; line-height: 1.45; flex: 1; }
.lc-go {
  font-size: 0.78rem; font-weight: 600;
  color: #ED64A6;
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
}

footer {
  width: 100%;
  height: 100px;
  border-top: 1px solid #eaeaea;
  display: flex; justify-content: center; align-items: center;
}
.dark footer { border-top-color: rgba(255, 255, 255, 0.14); }
footer a { text-decoration: none; color: inherit; }
footer a:hover .chip { background: #ED64A6; color: #000; }

@media (max-width: 600px) {
  .title { font-size: 2.6rem; }
  .description { font-size: 1.15rem; }
  .grid { flex-direction: column; width: 100%; align-items: center; }
  .link-card { width: 100%; max-width: 340px; }
}