:root {
  --color-bg: #0f1419;
  --color-surface: #1a222c;
  --color-border: #2d3a47;
  --color-text: #e7eef5;
  --color-muted: #8b9bab;
  --color-accent: #3d8bfd;
  --color-accent-hover: #5ca0ff;
  --color-danger: #f85149;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.layout {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.flash {
  background: #341d0f;
  border: 1px solid #a35f2a;
  color: #fbbf77;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #121920;
  color: var(--color-text);
  font: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.field {
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: none;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-accent);
  color: #fff;
}
.btn:hover {
  background: var(--color-accent-hover);
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover {
  border-color: var(--color-muted);
}
.btn-danger {
  background: var(--color-danger);
}
.btn-danger:hover {
  filter: brightness(1.08);
}

.check-grid {
  display: grid;
  gap: 0.5rem 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.check-grid label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-size: 0.9rem;
}

pre,
.code {
  background: #121920;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.45;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th,
td {
  text-align: left;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--color-border);
}
th {
  color: var(--color-muted);
  font-weight: 500;
}

.muted {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.hint {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0.25rem 0 0;
  line-height: 1.4;
}

select {
  width: 100%;
  max-width: 28rem;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #121920;
  color: var(--color-text);
  font: inherit;
}

.form-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--color-border);
}

.tab-nav li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tab-nav button {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-muted);
  font: inherit;
  font-weight: 500;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
}

.tab-nav button:hover {
  color: var(--color-text);
}

.tab-nav button.tab-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel[hidden] {
  display: none !important;
}

.tab-panel {
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0.6;
  }
  to {
    opacity: 1;
  }
}

.form-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  color: var(--color-text);
}

.form-section-title:first-child {
  margin-top: 0;
}

.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.dynamic-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.input-grow {
  flex: 1;
  min-width: 0;
}

.btn-icon {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #121920;
  color: var(--color-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #243040;
  color: var(--color-muted);
}