:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --border: #2d3a4f;
  --text: #e8edf4;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --error: #ef4444;
  --radius: 8px;
  --font: "Segoe UI", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar h1 {
  font-size: 1rem;
  padding: 0 1.25rem 1rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar nav a {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.sidebar nav a:hover { background: var(--surface2); }

.sidebar nav a.active {
  background: var(--surface2);
  border-left-color: var(--accent);
  color: var(--accent);
}

.main {
  padding: 2rem;
  max-width: 1100px;
}

.page-title {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.page-desc {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { height: auto; position: relative; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.field { margin-bottom: 0.85rem; }

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field textarea { min-height: 80px; font-family: monospace; font-size: 0.8rem; }

.field .hint {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover { background: var(--accent-hover); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface2);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }

.response-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 500px;
  overflow: auto;
}

.response-box.success { border-color: var(--success); }
.response-box.error { border-color: var(--error); }

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.status-badge.ok { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.status-badge.fail { background: rgba(239, 68, 68, 0.2); color: var(--error); }

.sigortali-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  position: relative;
}

.sigortali-item .remove-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 1.1rem;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.home-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}

.home-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.home-card h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.home-card p { font-size: 0.85rem; color: var(--muted); }

.method {
  display: inline-block;
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.loading { opacity: 0.6; pointer-events: none; }