:root {
  --bg: #0d1117;
  --surface: #161b22;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --border: #30363d;
  --danger: #f85149;
  --green: #3fb950;
  --mono: "SF Mono", "Fira Code", "Consolas", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--mono); background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.6; }
.hidden { display: none !important; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.logo { font-weight: 700; font-size: 1.1rem; cursor: pointer; color: var(--green); }
.logo span { color: var(--text); }
.nav-links { display: flex; gap: 10px; }

.btn {
  padding: 8px 16px; border-radius: 6px; font-family: inherit; font-size: 0.85rem;
  cursor: pointer; border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn-primary { background: var(--green); color: #000; border-color: var(--green); font-weight: 600; }
.btn-primary:hover { opacity: 0.9; }

.hero { padding: 64px 24px; text-align: center; max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 1.8rem; margin-bottom: 12px; }
.hero p { color: var(--muted); margin-bottom: 28px; }

.editor-wrap { max-width: 800px; margin: 0 auto; padding: 24px; }
.editor {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.editor-bar {
  display: flex; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border);
  font-size: 0.8rem; color: var(--muted);
}
.editor textarea {
  width: 100%; min-height: 280px; background: transparent; border: none; color: var(--text);
  font-family: inherit; font-size: 0.9rem; padding: 16px; resize: vertical; outline: none;
}
.editor-actions { padding: 12px 14px; border-top: 1px solid var(--border); display: flex; gap: 10px; flex-wrap: wrap; }

.page-narrow { max-width: 400px; margin: 0 auto; padding: 48px 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
.card h2 { margin-bottom: 8px; font-size: 1.2rem; }
.sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 20px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.8rem; margin-bottom: 4px; color: var(--muted); }
.form-group input {
  width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-family: inherit; font-size: 0.9rem;
}
.form-group input:focus { outline: none; border-color: var(--accent); }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 0.85rem; margin-bottom: 14px; }
.alert-error { background: rgba(248,81,73,0.15); color: var(--danger); border: 1px solid var(--danger); }

.paste-list { max-width: 800px; margin: 32px auto; padding: 0 24px; }
.paste-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 8px;
  background: var(--surface); font-size: 0.85rem;
}
.paste-item .meta { color: var(--muted); font-size: 0.75rem; }

.progress-wrap { background: var(--border); border-radius: 99px; height: 6px; margin: 12px 0; overflow: hidden; }
.progress-bar { height: 100%; background: var(--green); width: 0%; transition: width 0.3s; }

footer { text-align: center; padding: 24px; color: var(--muted); font-size: 0.75rem; border-top: 1px solid var(--border); margin-top: 48px; }