:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f5f5f7;
  color: #1f2933;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: #f5f5f7;
}

.container {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  background-color: #fff;
  border-bottom: 1px solid #e6e8ec;
  margin-bottom: 2rem;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #1f2933;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

nav form {
  margin: 0;
}

main {
  padding-bottom: 4rem;
}

.hero {
  background: #fff;
  border: 1px solid #e6e8ec;
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.hero h1 {
  margin-top: 0;
  font-size: 2rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.panel {
  background: #fff;
  border: 1px solid #e6e8ec;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn.small {
  padding: 0.45rem 1rem;
}

.btn.secondary {
  background: transparent;
  border: 1px solid #6366f1;
  color: #4c51bf;
}

.btn.danger {
  background: linear-gradient(135deg, #f87171, #dc2626);
}

.linkish {
  background: none;
  border: none;
  padding: 0;
  color: #4c51bf;
  text-decoration: underline;
  cursor: pointer;
}

.linkish.danger {
  color: #dc2626;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

table th,
table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid #e6e8ec;
  text-align: left;
}

table tr.muted {
  color: #94a3b8;
}

.form-grid {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

input,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font: inherit;
}

textarea {
  min-height: 120px;
}

.muted {
  color: #64748b;
}

.alert {
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
}

.share-block {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.share-block code {
  background: #f1f5f9;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.95rem;
}