:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-elevated: #18181b;
  --bg-hover: #1f1f23;

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --border-subtle: #27272a;
  --border-default: #3f3f46;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-secondary: #6366f1;

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --success-border: rgba(16, 185, 129, 0.3);

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --danger-border: rgba(239, 68, 68, 0.3);

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: rgba(245, 158, 11, 0.3);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-centered {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.container-wide {
  max-width: 640px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.125rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-primary-hover);
  text-decoration: underline;
}

.text-muted {
  color: var(--text-muted);
}

.text-small {
  font-size: 0.875rem;
}

.section {
  margin-bottom: 2rem;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-header h2 {
  margin-bottom: 0.25rem;
}

.section-header p {
  margin-bottom: 0;
}

.panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.panel+.panel {
  margin-top: 1rem;
}

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

.panel-header h4 {
  margin-bottom: 0;
}

.panel-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.panel-row .label {
  color: var(--text-muted);
}

.panel-row .value {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
input[type="email"]::placeholder {
  color: var(--text-muted);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary,
button[type="submit"],
button.primary {
  background-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover,
button[type="submit"]:hover,
button.primary:hover {
  background-color: var(--accent-primary-hover);
  color: white;
  text-decoration: none;
}

.btn-secondary,
button.secondary {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover,
button.secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-default);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.alert p {
  margin-bottom: 0;
  color: inherit;
}

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

.alert-danger {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
}

.alert-warning {
  background-color: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-primary);
}

.scope-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scope-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.scope-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.scope-name {
  font-weight: 500;
  color: var(--text-primary);
}

.scope-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.scope-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent-primary);
}

.divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 1.5rem 0;
}

.app-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.app-icon {
  width: 48px;
  height: 48px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-primary);
}

.app-details h3 {
  margin-bottom: 0.125rem;
}

.app-details p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.link-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.link-row a {
  color: var(--text-muted);
}

.link-row a:hover {
  color: var(--accent-primary);
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-links li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links li a:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--accent-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--text-muted);
}

.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .page-centered {
    padding: 1rem;
    align-items: flex-start;
    padding-top: 3rem;
  }

  .container {
    max-width: 100%;
  }

  .panel {
    padding: 1.25rem;
  }

  .btn-row {
    flex-direction: column-reverse;
  }

  .btn-row button {
    width: 100%;
  }
}