/* Next.js parity: slate background, white cards, slate-800 primary actions */

:root {
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --red-50: #fef2f2;
  --red-200: #fecaca;
  --red-800: #991b1b;
  --foreground: var(--slate-900);
  --background: var(--slate-50);
  --radius-xl: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.5;
  color: var(--foreground);
  background: var(--background);
}

/* Shell: matches max-w-6xl mx-auto p-6 */
.shell {
  max-width: 72rem;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.shell--narrow {
  max-width: 28rem;
}

/* Page header row */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-title {
  margin: 0;
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  color: var(--slate-800);
}

.page-subtitle {
  margin: -12px 0 24px;
  font-size: 0.875rem;
  color: var(--slate-600);
  max-width: 48rem;
}

/* Language toggle (LanguageToggle.tsx) */
.lang-toggle {
  display: flex;
  gap: 8px;
}

.lang-toggle button {
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-toggle button[data-active="true"] {
  background: var(--slate-800);
  color: #fff;
}

.lang-toggle button[data-active="false"] {
  background: var(--slate-100);
  color: var(--slate-600);
}

.lang-toggle button[data-active="false"]:hover {
  background: var(--slate-200);
  color: var(--slate-700);
}

/* Landing grid (LandingView) */
.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.section__title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--slate-800);
}

.section__hint {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--slate-500);
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.field:last-child {
  margin-bottom: 0;
}

.field > span:first-child,
.field label > span:first-child {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-700);
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  font: inherit;
  border-radius: 6px;
  border: 1px solid var(--slate-300);
  padding: 10px 12px;
  color: var(--slate-900);
  background: #fff;
}

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

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(30, 41, 59, 0.25);
  outline-offset: 0;
}

/* Checkbox row */
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--slate-700);
  margin: 8px 0 12px;
}

.check input {
  width: auto;
}

/* Tables (Next-like) */
.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--slate-200);
  text-align: left;
  vertical-align: top;
  font-size: 0.875rem;
}

.table thead th {
  font-weight: 600;
  color: var(--slate-700);
  border-bottom: 1px solid var(--slate-300);
}

.table tbody tr:hover td {
  background: rgba(241, 245, 249, 0.5);
}

.table input,
.table select {
  width: 100%;
}

.table .btn-icon {
  padding: 8px 10px;
}

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

button.btn {
  width: fit-content;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

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

.btn--primary {
  background: var(--slate-800);
  color: #fff;
}

.btn--primary:hover:not(:disabled) {
  background: var(--slate-700);
}

.btn--secondary {
  background: var(--slate-100);
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--slate-200);
}

.btn--ghost {
  background: transparent;
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--slate-50);
}

/* Top bar (signed in) */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
  margin: -8px 0 20px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  background: #fff;
  font-size: 0.875rem;
  color: var(--slate-600);
}

.topbar form {
  margin: 0;
}

/* Alert */
.alert {
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.alert--error {
  background: var(--red-50);
  border: 1px solid var(--red-200);
  color: var(--red-800);
}

/* JSON / log output */
.mono-out,
.out {
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--slate-200);
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 120px;
  color: var(--slate-800);
  box-shadow: var(--shadow-sm);
}

.mono-out__label {
  margin: 24px 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

/* Login card */
.login-card {
  margin-top: 16px;
}

/* Legacy helpers */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 24px 16px;
}

.muted {
  color: var(--slate-500);
}

.grid {
  display: grid;
  gap: 16px;
}

.nav-card,
.card {
  display: block;
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--slate-200);
  background: #fff;
  text-align: left;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.nav-card:hover,
.card:hover {
  border-color: var(--slate-400);
  box-shadow: var(--shadow-md);
}

.nav-card h2,
.card h2 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 600;
  color: var(--slate-800);
}

.nav-card p,
.card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--slate-600);
}

.section,
.panel {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 2px solid var(--slate-200);
  padding: 20px 20px 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.link-back,
.back {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--slate-700);
  background: var(--slate-100);
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.link-back:hover,
.back:hover {
  background: var(--slate-200);
  border-color: var(--slate-300);
}