/* ReasonKit Portal - Brand-compliant styles */
/* Based on BRAND_IDENTITY.md specifications */

:root {
  /* Brand Colors */
  --color-primary: #06b6d4;
  --color-primary-hover: #0891b2;
  --color-secondary: #a855f7;
  --color-tertiary: #ec4899;
  --color-success: #10b981;
  --color-alert: #f97316;
  --color-warning: #fbbf24;
  --color-error: #ef4444;

  /* Background Colors */
  --bg-void: #030508;
  --bg-deep: #0a0d14;
  --bg-surface: #111827;
  --bg-elevated: #1f2937;

  /* Text Colors */
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  /* Border Colors */
  --border-default: #374151;
  --border-focus: var(--color-primary);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Font Families */
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px -5px var(--color-primary);
}

/* Reset */
*,
*::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);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-void);
  min-height: 100vh;
}

/* Loading Screen */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: var(--spacing-lg);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--bg-elevated);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* NoScript Warning */
.noscript-warning {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--bg-void);
  color: var(--text-primary);
}

.noscript-warning h1 {
  color: var(--color-warning);
  margin-bottom: var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--text-3xl);
}
h2 {
  font-size: var(--text-2xl);
}
h3 {
  font-size: var(--text-xl);
}
h4 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background-color: var(--bg-elevated);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
}

pre {
  background-color: var(--bg-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background-color: var(--bg-deep);
  border-right: 1px solid var(--border-default);
  padding: var(--spacing-lg);
  flex-shrink: 0;
}

.main-content {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
}

/* Navigation */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
  fill: var(--color-primary);
}

.nav-section {
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

.nav-link.active {
  background-color: var(--color-primary);
  color: var(--text-primary);
}

.nav-link svg {
  width: 20px;
  height: 20px;
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 0;
}

.card-description {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

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

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

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

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

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-surface);
}

.btn-danger {
  background-color: var(--color-error);
  color: var(--text-primary);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

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

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-default);
}

.table th {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-elevated);
}

.table tr:hover td {
  background-color: var(--bg-deep);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.badge-warning {
  background-color: rgba(251, 191, 36, 0.2);
  color: var(--color-warning);
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--color-error);
}

.badge-info {
  background-color: rgba(6, 182, 212, 0.2);
  color: var(--color-primary);
}

/* Alerts */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.alert-warning {
  background-color: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--color-warning);
  color: var(--color-warning);
}

.alert-info {
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

/* Auth Pages */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
}

.auth-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Dashboard */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-default);
    padding: var(--spacing-md);
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Accessibility */
.visually-hidden,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip Link - Hidden until focused */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: 9999;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--text-primary);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* High contrast focus for interactive elements */
.btn:focus-visible,
.nav-link:focus-visible,
.form-input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(6, 182, 212, 0.2);
}

/* Focus within for container components */
.card:focus-within {
  box-shadow: 0 0 0 2px var(--color-primary);
}

/* Checkbox focus */
.checkbox-input:focus-visible + .checkbox-label::before {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Link focus - high visibility */
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Modal/dialog backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

/* Modal content - trap focus */
.modal-content {
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .skip-link {
    transition: none;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border-default: #ffffff;
    --text-secondary: #e0e0e0;
  }

  .btn-primary {
    border: 2px solid var(--text-primary);
  }

  .card {
    border-width: 2px;
  }
}

/* Form field descriptions for screen readers */
.form-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* Error announcement styling */
[role="alert"] {
  animation: error-shake 0.5s ease-in-out;
}

@keyframes error-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-5px);
  }
  40%,
  80% {
    transform: translateX(5px);
  }
}

/* Status colors that meet WCAG contrast requirements */
.text-error {
  color: #f87171;
} /* Lighter red for AA contrast */
.text-success {
  color: #34d399;
} /* Lighter green for AA contrast */
.text-warning {
  color: #fcd34d;
} /* Lighter yellow for AA contrast */
.badge-secondary {
  background-color: rgba(156, 163, 175, 0.2);
  color: var(--text-secondary);
}