:root {
  --bg: #0b0c0f;
  --card: #12141a;
  --muted: #a3aab8;
  --text: #e9edf5;
  --accent: #10a37f; /* ChatGPT green */
  --accent-2: #8ae1ca;
  --danger: #ef4444;
  --border: #212532;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(80% 60% at 50% 0%, #0c1022 0%, #090b12 45%, #08090e 100%), var(--bg);
}

.page {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 16px 24px;
  gap: 24px;
}

.hero { text-align: center; margin-top: 16px; }

.brand {
  font-weight: 800;
  font-size: 58px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  background: linear-gradient(90deg, #14b8a6, #22c55e, #86efac);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0;
  font-size: 20px;
  color: var(--muted);
}

.search {
  width: 100%;
  max-width: 900px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.search-input { display: flex; }

.search-input input {
  flex: 1;
  height: 56px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0e1117;
  color: var(--text);
  padding: 0 16px;
  font-size: 18px;
  outline: none;
}

.search-input input:focus {
  border-color: #1f2937;
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.25);
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  height: 44px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0e1117;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.btn:hover { filter: brightness(1.1); }

.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: #05130f;
}

.btn.secondary { background: #0f172a; }
.btn.subtle { background: #0d111a; color: var(--muted); }

.share {
  width: 100%;
  max-width: 900px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.hidden { display: none; }

.share-banner {
  background: #0f766e33;
  color: #99f6e4;
  border: 1px solid #0d9488;
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
  margin-bottom: 16px;
}

.share-row { display: flex; }

.share-input {
  width: 100%;
  height: 48px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0e1117;
  color: var(--text);
  padding: 0 12px;
  font-size: 16px;
}

.share-actions { display: flex; gap: 12px; margin-top: 12px; }

.share-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  margin-top: 10px;
}

.icon { color: var(--accent-2); text-decoration: none; font-weight: 600; }
.icon:hover { text-decoration: underline; }

.footer { text-align: center; color: var(--muted); margin: 24px 0; }
.footer p { margin: 6px 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #0b1220;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  z-index: 50;
}

@media (max-width: 640px) {
  .brand { font-size: 42px; }
  .tagline { font-size: 18px; }
  .actions { flex-direction: column; }
}