:root {
  --bg: #000000;
  --card: #0b0f17;
  --text: #e6edf3;
  --muted: #9aa4b2;
  --primary: #4f46e5;
  --primary-2: #6366f1;
  --border: #1f2937;
  --glow: rgba(99,102,241,0.8);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: linear-gradient(180deg, rgba(0,0,0,0.6), rgba(0,0,0,0));
  z-index: 2;
}
.brand { font-weight: 700; letter-spacing: 0.4px; opacity: 0.95; display: inline-flex; align-items: center; gap: 8px; }
.brand-icon {
  filter: drop-shadow(0 0 4px rgba(255,255,255,0.45));
  animation: brandGlow 2.8s ease-in-out infinite;
}
@keyframes brandGlow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(255,255,255,0.35)); opacity: 0.9; }
  50% { filter: drop-shadow(0 0 10px rgba(255,255,255,0.75)); opacity: 1; }
}
.icon-group { display: flex; gap: 12px; }
.icon-btn { color: white; text-decoration: none; filter: drop-shadow(0 0 10px var(--glow)); }
.icon-btn:hover { filter: drop-shadow(0 0 14px var(--glow)); }

.container { width: 100%; max-width: 720px; padding: 96px 24px 24px; margin: 0 auto; position: relative; z-index: 1; }
h1 { margin: 8px 0 20px; font-size: 28px; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.hidden { display: none; }

textarea {
  width: 100%;
  min-height: 160px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  resize: vertical;
}

.row { display: flex; gap: 10px; align-items: center; margin-top: 10px; }
.link-actions { gap: 12px; margin-top: 0; }
select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  height: 40px;
  padding: 0 10px;
}

button {
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color: white;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(79,70,229,0.25);
}
button.secondary {
  background: transparent;
  border: 1px solid var(--border);
}
button:active { transform: translateY(1px); }

input[readonly] {
  width: 100%;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  height: 44px;
  padding: 0 12px;
  margin-bottom: 10px;
}

.note-display {
  white-space: pre-wrap;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 80px;
}

.subtle { color: var(--muted); font-size: 12px; margin-top: 8px; }

/* Read mode tweaks */
html[data-mode="read"] #create-view,
html[data-mode="read"] #link-view { display: none; }
html[data-mode="read"] #read-view { display: block; }

/* Starfield background */
#stars {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}