:root {
  --bg: #f9fafb;
  --text: #141d2e;
  --muted: #65758b;
  --accent: #53b2a8;
  --accent-dark: #3f8f86;
  --border: #e0e5eb;
  --badge-bg: #f7eede;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(249, 250, 251, 0.8);
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

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

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--accent-dark);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.badge {
  display: inline-block;
  background: var(--badge-bg);
  color: var(--text);
  border-radius: 9999px;
  padding: 0.35rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.15;
}

h1 span {
  color: var(--accent);
}

p.lead {
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.6;
}

.timestamp {
  color: var(--muted);
  font-size: 0.95rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.feed-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feed-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.feed-list li:last-child {
  border-bottom: none;
}

.feed-name {
  font-weight: 600;
}

.feed-url {
  color: var(--muted);
  font-size: 0.85rem;
  word-break: break-all;
}

form.feed-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 1rem;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  display: block;
}

input[type="text"],
input[type="url"],
input[type="password"] {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--text);
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.status {
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.status.success {
  color: var(--accent-dark);
}

.status.error {
  color: #b3453a;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

details {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}