:root {
  --bg: #0b1120;
  --bg-panel: #131b2e;
  --bg-panel-alt: #1a2540;
  --border: #263352;
  --text: #e7ecf8;
  --text-dim: #93a1c2;
  --accent: #1877f2;
  --accent-hover: #1461cc;
  --success: #2dbd6e;
  --danger: #e0524f;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-secondary {
  background: var(--bg-panel-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}

.hero {
  max-width: 920px;
  margin: 0 auto;
  padding: 100px 24px 60px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero p.lead {
  font-size: 19px;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 80px auto;
  padding: 0 24px;
}

.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.feature-card h3 {
  margin-top: 0;
  font-size: 18px;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.steps {
  max-width: 720px;
  margin: 80px auto;
  padding: 0 24px;
}

.steps h2 {
  text-align: center;
  margin-bottom: 32px;
}

.step {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.cta-footer {
  text-align: center;
  padding: 60px 24px 100px;
}

footer.site-footer {
  text-align: center;
  padding: 30px;
  color: var(--text-dim);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

/* Dashboard */
.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

nav.sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

nav.sidebar .logo {
  margin-bottom: 24px;
  padding: 0 8px;
}

.nav-item {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

.nav-item.active,
.nav-item:hover {
  background: var(--bg-panel-alt);
  color: var(--text);
}

.nav-spacer {
  flex: 1;
}

main.content {
  padding: 32px 40px;
  max-width: 1100px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.panel h2 {
  margin-top: 0;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
}

.card-meta {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 4px;
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success {
  background: rgba(45, 189, 110, 0.15);
  color: var(--success);
}

.badge-neutral {
  background: rgba(147, 161, 194, 0.15);
  color: var(--text-dim);
}

form.stacked {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 480px;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}

input[type="text"],
input[type="url"],
input[type="password"],
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  max-width: 360px;
  display: none;
  z-index: 100;
}

.toast.show {
  display: block;
}

.toast.error {
  border-color: var(--danger);
  color: var(--danger);
}

.toast.success {
  border-color: var(--success);
  color: var(--success);
}

.empty-state {
  color: var(--text-dim);
  font-size: 14px;
  padding: 24px 0;
  text-align: center;
}

.auth-config-fields {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.auth-config-fields.active {
  display: flex;
}