@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-input: #0d1117;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --orange: #db6d28;
  --purple: #a371f7;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #ddd;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ddd;
  margin-bottom: 0.4rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

textarea, input[type="text"], input[type="number"], input[type="url"],
input[type="search"], input[type="date"], input[type="time"],
input[type="datetime-local"], input[type="email"], input[type="password"],
select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

textarea:focus, input:focus, select:focus {
  border-color: var(--accent);
}

textarea {
  resize: vertical;
  font-family: var(--mono);
  font-size: 0.85rem;
  min-height: 120px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
  line-height: 1.4;
}

.btn-primary {
  background: var(--accent);
  color: #0d1117;
  border-color: var(--accent);
}
.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); }

.btn-danger {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}

.toolbar select {
  width: auto;
  padding: 0.4rem 0.6rem;
  font-size: 0.82rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:hover { background: rgba(88,166,255,0.04); }

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

code {
  font-family: var(--mono);
  background: var(--bg-card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .container { padding: 1rem; }
  h1 { font-size: 1.4rem; }
  .toolbar { gap: 0.3rem; }
}