:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e1e4ed;
  --muted: #8b8fa3;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --code-bg: #12141c;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code, pre {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
nav .brand { font-weight: 700; font-size: 1.1rem; }
nav .brand span { color: var(--accent); }
nav .tools { display: flex; gap: 4px; }
nav .tools a {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.15s;
}
nav .tools a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
nav .tools a.active { color: white; background: var(--accent); }

/* Container & Grid */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.page-header { padding: 20px 0 16px; }
.page-header h2 { font-size: 1.3rem; font-weight: 600; }
.page-header p { color: var(--muted); margin-top: 4px; font-size: 0.95rem; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 16px; }
@media (max-width: 768px) { .grid { grid-template-columns: 1fr; } }

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.panel-header h3 { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
textarea, .code-output {
  width: 100%;
  min-height: 400px;
  padding: 16px;
  background: var(--code-bg);
  color: var(--text);
  border: none;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
}
.code-output { overflow: auto; white-space: pre-wrap; word-break: break-word; }

/* Controls */
.controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 16px 0; }
.control-group { display: flex; align-items: center; gap: 8px; }
.control-group label { color: var(--muted); font-size: 0.85rem; }
input[type="text"], select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 0.85rem;
}
input[type="text"]:focus, select:focus { border-color: var(--accent); outline: none; }
.checkbox-group { display: flex; align-items: center; gap: 6px; }
.checkbox-group input[type="checkbox"] { accent-color: var(--accent); }
.checkbox-group label { color: var(--muted); font-size: 0.85rem; cursor: pointer; }

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

/* Tabs */
.tabs { display: flex; gap: 2px; }
.tab {
  padding: 6px 14px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.15s;
}
.tab.active { background: var(--accent); color: white; }
.tab:hover:not(.active) { color: var(--text); }

/* Badges & Stats */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-yellow { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.stats {
  display: flex;
  gap: 20px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.stat { font-size: 0.8rem; color: var(--muted); }
.stat strong { color: var(--text); }

/* Tables */
.info-panel { padding: 16px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 6px 12px;
  text-align: left;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--muted); font-weight: 600; }
.data-table td code {
  background: rgba(99,102,241,0.1);
  color: var(--accent-hover);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.8rem;
}

/* Toast */
.copy-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--green);
  color: #000;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s;
  pointer-events: none;
}
.copy-toast.show { opacity: 1; transform: translateY(0); }
.sample-link { color: var(--accent); cursor: pointer; text-decoration: underline; font-size: 0.85rem; }
.sample-link:hover { color: var(--accent-hover); }

/* Findings list */
.findings { list-style: none; padding: 0; }
.findings li {
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 6px;
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.findings li .icon { flex-shrink: 0; width: 18px; text-align: center; }
.findings .warn { background: rgba(234,179,8,0.08); }
.findings .error { background: rgba(239,68,68,0.08); }
.findings .info { background: rgba(99,102,241,0.08); }

/* Landing page */
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 2.5rem; font-weight: 700; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); margin-top: 12px; font-size: 1.1rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.tool-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 40px; }
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.tool-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.tool-card h3 span { color: var(--accent); }
.tool-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.tool-card .tag { margin-top: 12px; font-size: 0.75rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }