:root {
  --bg: #15171a;
  --card: #1e2126;
  --fg: #e8e8e8;
  --muted: #9aa0a6;
  --accent: #4a9eff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #2a2e35;
  position: sticky;
  top: 0;
  background: var(--bg);
}

header h1 { margin: 0; font-size: 1.4rem; }

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
}

section { margin-bottom: 1.5rem; }

input, textarea, button {
  font: inherit;
  border-radius: 6px;
  border: 1px solid #2a2e35;
  background: var(--card);
  color: var(--fg);
  padding: 0.6rem 0.8rem;
}

input, textarea { width: 100%; margin-bottom: 0.6rem; }
textarea { min-height: 80px; resize: vertical; }

button {
  cursor: pointer;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  width: auto;
}
button:hover { opacity: 0.9; }

.entry {
  background: var(--card);
  border: 1px solid #2a2e35;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.entry .meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.entry .content { white-space: pre-wrap; word-wrap: break-word; }
.entry img { max-width: 100%; border-radius: 6px; margin-top: 0.6rem; }

.entry a { color: var(--accent); }

.msg { color: #ff6b6b; font-size: 0.9rem; min-height: 1.2em; }
.end { text-align: center; color: var(--muted); padding: 2rem 0; }
