:root {
  --color-primary: #0171fe;
  --color-primary-dark: #0155bf;
  --color-navy: #1a237e;
  --color-text: #4b5563;
  --color-border: #e2e2e2;
  --color-bg-alt: #f7f8fa;
  --color-danger: #c0392b;
  --color-success: #1a7f37;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-navy);
  background: var(--color-bg-alt);
  line-height: 1.55;
}

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

.container {
  max-width: 860px;
  margin-inline: auto;
  padding: 24px 20px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.topbar__brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--color-navy);
}

.topbar nav a {
  margin-left: 16px;
  font-size: 14px;
  text-decoration: none;
  color: var(--color-text);
}

.link-button {
  margin-left: 16px;
  font-size: 14px;
  font-family: inherit;
  text-decoration: none;
  color: var(--color-text);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.link-button:hover {
  color: var(--color-primary);
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.2rem;
  margin-top: 0;
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.field small {
  display: block;
  color: var(--color-text);
  font-size: 12.5px;
  margin-top: 4px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: #fff;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-success {
  background: #e6f9ee;
  color: var(--color-success);
  border: 1px solid #b7ebc9;
}

.alert-error {
  background: #fdecea;
  color: var(--color-danger);
  border: 1px solid #f5c6c1;
}

.checklist {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
}

.section-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.status-pending {
  background: #f1f1f1;
  color: #666;
}

.status-generating {
  background: #fff4e0;
  color: #a15c00;
}

.status-done {
  background: #e6f9ee;
  color: var(--color-success);
}

.status-error {
  background: #fdecea;
  color: var(--color-danger);
}

.progress-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--color-border);
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-navy);
  font-size: 14px;
}

.project-list a:hover {
  border-color: var(--color-primary);
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text);
}

iframe.preview {
  width: 100%;
  height: 600px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}