/* ========================================
   LINX PORTAL - PROFESSIONAL DESIGN SYSTEM
   ======================================== */

/* ─── COLOR PALETTE ─── */
:root {
  /* Primary Colors */
  --lx-navy-900: #0f1419;
  --lx-navy-800: #1a2332;
  --lx-navy-700: #2d3e50;
  --lx-navy-600: #3d4f63;

  /* Secondary Accent */
  --lx-teal-500: #2a9d8f;
  --lx-teal-400: #45b8a3;

  /* Neutrals */
  --lx-gray-100: #f8f9fa;
  --lx-gray-200: #e8eaed;
  --lx-gray-300: #d1d5db;
  --lx-gray-400: #9ca3af;
  --lx-gray-500: #6b7280;
  --lx-gray-600: #4b5563;

  /* Semantic Colors */
  --lx-success: #0B5CAD;
  --lx-warning: #5B7FBF;
  --lx-error: #0B5CAD;
  --lx-info: #3b82f6;

  /* Backgrounds */
  --lx-bg-primary: #ffffff;
  --lx-bg-secondary: #f5f7fa;
  --lx-bg-tertiary: #eff1f5;

  /* Text */
  --lx-text-primary: #0f1419;
  --lx-text-secondary: #4b5563;
  --lx-text-tertiary: #9ca3af;

  /* Borders */
  --lx-border-light: #e8eaed;
  --lx-border-medium: #d1d5db;

  /* Shadows */
  --lx-shadow-sm: 0 1px 2px 0 rgba(15, 20, 25, 0.05);
  --lx-shadow-md: 0 4px 6px -1px rgba(15, 20, 25, 0.1), 0 2px 4px -1px rgba(15, 20, 25, 0.06);
  --lx-shadow-lg: 0 10px 15px -3px rgba(15, 20, 25, 0.1), 0 4px 6px -2px rgba(15, 20, 25, 0.05);
  --lx-shadow-xl: 0 20px 25px -5px rgba(15, 20, 25, 0.1), 0 10px 10px -5px rgba(15, 20, 25, 0.04);
  --lx-shadow-focus: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

/* ─── DARK MODE TOKEN OVERRIDES ───
   Remap backgrounds, text and borders so every --lx-* based
   element (body, labels, cards, inputs, badges, steppers…)
   follows the MudBlazor dark theme. */
.theme-dark {
  --lx-bg-primary: #1a2332;
  --lx-bg-secondary: #141420;
  --lx-bg-tertiary: #0f1420;

  --lx-text-primary: #e2e8f0;
  --lx-text-secondary: #94a3b8;
  --lx-text-tertiary: #6b7280;

  --lx-border-light: #2d3e50;
  --lx-border-medium: #3d4f63;

  --lx-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --lx-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --lx-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --lx-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.55), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* ─── TYPOGRAPHY SCALE ─── */
:root {
  /* Font Families */
  --lx-font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --lx-font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --lx-font-mono: 'Fira Code', 'Courier New', monospace;

  /* Font Sizes */
  --lx-text-xs: 0.75rem;
  --lx-text-sm: 0.875rem;
  --lx-text-base: 1rem;
  --lx-text-lg: 1.125rem;
  --lx-text-xl: 1.25rem;
  --lx-text-2xl: 1.5rem;
  --lx-text-3xl: 1.875rem;
  --lx-text-4xl: 2.25rem;

  /* Line Heights */
  --lx-leading-tight: 1.25;
  --lx-leading-snug: 1.375;
  --lx-leading-normal: 1.5;
  --lx-leading-relaxed: 1.625;
  --lx-leading-loose: 1.75;

  /* Letter Spacing */
  --lx-tracking-tight: -0.02em;
  --lx-tracking-normal: 0;
  --lx-tracking-wide: 0.05em;
}

/* ─── SPACING SCALE ─── */
:root {
  --lx-space-0: 0;
  --lx-space-1: 0.25rem;
  --lx-space-2: 0.5rem;
  --lx-space-3: 0.75rem;
  --lx-space-4: 1rem;
  --lx-space-6: 1.5rem;
  --lx-space-8: 2rem;
  --lx-space-10: 2.5rem;
  --lx-space-12: 3rem;
  --lx-space-16: 4rem;
  --lx-space-20: 5rem;
  --lx-space-24: 6rem;
}

/* ─── BORDER RADIUS ─── */
:root {
  --lx-radius-sm: 0.375rem;
  --lx-radius-md: 0.5rem;
  --lx-radius-lg: 0.75rem;
  --lx-radius-xl: 1rem;
  --lx-radius-2xl: 1.25rem;
  --lx-radius-full: 9999px;
}

/* ─── TRANSITIONS ─── */
:root {
  --lx-transition-fast: 150ms cubic-bezier(0.4, 0, 1, 1);
  --lx-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --lx-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BASE STYLES
   ======================================== */

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-base);
  line-height: var(--lx-leading-normal);
  color: var(--lx-text-primary);
  background-color: var(--lx-bg-primary);
}

/* ========================================
   TYPOGRAPHY STYLES
   ======================================== */

h1, .lx-h1 {
  font-family: var(--lx-font-display);
  font-size: var(--lx-text-4xl);
  font-weight: 700;
  line-height: var(--lx-leading-tight);
  letter-spacing: var(--lx-tracking-tight);
  margin: 0;
}

h2, .lx-h2 {
  font-family: var(--lx-font-display);
  font-size: var(--lx-text-3xl);
  font-weight: 700;
  line-height: var(--lx-leading-tight);
  letter-spacing: var(--lx-tracking-tight);
  margin: 0;
}

h3, .lx-h3 {
  font-family: var(--lx-font-display);
  font-size: var(--lx-text-2xl);
  font-weight: 600;
  line-height: var(--lx-leading-snug);
  letter-spacing: var(--lx-tracking-tight);
  margin: 0;
}

h4, .lx-h4 {
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-xl);
  font-weight: 600;
  line-height: var(--lx-leading-snug);
  margin: 0;
}

h5, h6, .lx-h5, .lx-h6 {
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-lg);
  font-weight: 600;
  line-height: var(--lx-leading-snug);
  margin: 0;
}

p {
  margin: 0;
  line-height: var(--lx-leading-relaxed);
}

.lx-text-sm {
  font-size: var(--lx-text-sm);
  line-height: var(--lx-leading-snug);
}

.lx-text-xs {
  font-size: var(--lx-text-xs);
  line-height: var(--lx-leading-tight);
}

.lx-text-secondary {
  color: var(--lx-text-secondary);
}

.lx-text-tertiary {
  color: var(--lx-text-tertiary);
}

.lx-font-mono {
  font-family: var(--lx-font-mono);
  font-size: 0.9em;
}

.lx-font-semibold {
  font-weight: 600;
}

.lx-font-bold {
  font-weight: 700;
}

/* ========================================
   BUTTON STYLES
   ======================================== */

.lx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--lx-space-2);
  padding: var(--lx-space-3) var(--lx-space-4);
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-sm);
  font-weight: 600;
  line-height: var(--lx-leading-snug);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: var(--lx-radius-md);
  cursor: pointer;
  transition: all var(--lx-transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.lx-btn:disabled,
.lx-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.lx-btn-primary {
  background-color: var(--lx-navy-800);
  color: #ffffff;
  box-shadow: var(--lx-shadow-md);
}

.lx-btn-primary:hover:not(:disabled) {
  background-color: var(--lx-navy-900);
  box-shadow: var(--lx-shadow-lg);
  transform: translateY(-2px);
}

.lx-btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Accent Button */
.lx-btn-accent {
  background-color: var(--lx-teal-500);
  color: #ffffff;
  box-shadow: var(--lx-shadow-md);
}

.lx-btn-accent:hover:not(:disabled) {
  background-color: var(--lx-teal-400);
  box-shadow: var(--lx-shadow-lg);
  transform: translateY(-2px);
}

.lx-btn-accent:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button */
.lx-btn-secondary {
  background-color: var(--lx-bg-secondary);
  color: var(--lx-text-primary);
  border: 1px solid var(--lx-border-light);
  box-shadow: var(--lx-shadow-sm);
}

.lx-btn-secondary:hover:not(:disabled) {
  background-color: var(--lx-bg-tertiary);
  border-color: var(--lx-border-medium);
}

/* Ghost Button */
.lx-btn-ghost {
  background-color: transparent;
  color: var(--lx-navy-800);
  border: 1px solid transparent;
}

.lx-btn-ghost:hover:not(:disabled) {
  background-color: var(--lx-bg-secondary);
  color: var(--lx-teal-500);
}

/* Large Button */
.lx-btn-lg {
  padding: var(--lx-space-4) var(--lx-space-6);
  font-size: var(--lx-text-base);
}

/* Small Button */
.lx-btn-sm {
  padding: var(--lx-space-2) var(--lx-space-3);
  font-size: var(--lx-text-xs);
}

/* ========================================
   FORM STYLES
   ======================================== */

.lx-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--lx-space-2);
  margin-bottom: var(--lx-space-6);
}

label {
  font-size: var(--lx-text-sm);
  font-weight: 600;
  color: var(--lx-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.lx-form-input,
.lx-form-select,
.lx-form-textarea {
  width: 100%;
  padding: var(--lx-space-3) var(--lx-space-4);
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-base);
  line-height: var(--lx-leading-normal);
  color: var(--lx-text-primary);
  background-color: var(--lx-bg-primary);
  border: 1px solid var(--lx-border-light);
  border-radius: var(--lx-radius-md);
  transition: all var(--lx-transition-fast);
  box-shadow: var(--lx-shadow-sm);
}

.lx-form-input:focus,
.lx-form-select:focus,
.lx-form-textarea:focus {
  outline: none;
  border-color: var(--lx-teal-500);
  box-shadow: var(--lx-shadow-focus);
}

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

.lx-form-textarea {
  resize: vertical;
  min-height: 100px;
}

.lx-form-hint {
  font-size: var(--lx-text-xs);
  color: var(--lx-text-tertiary);
  margin-top: var(--lx-space-1);
}

.lx-form-error {
  font-size: var(--lx-text-xs);
  color: var(--lx-error);
  margin-top: var(--lx-space-1);
}

.lx-form-input.error,
.lx-form-select.error {
  border-color: var(--lx-error);
  box-shadow: 0 0 0 3px rgba(11, 92, 173, 0.12);
}

/* ========================================
   CARD STYLES
   ======================================== */

.lx-card {
  background-color: var(--lx-bg-primary);
  border: 1px solid var(--lx-border-light);
  border-radius: var(--lx-radius-lg);
  box-shadow: var(--lx-shadow-sm);
  transition: all var(--lx-transition-base);
  overflow: hidden;
}

.lx-card:hover {
  border-color: var(--lx-border-medium);
  box-shadow: var(--lx-shadow-md);
}

.lx-card-header {
  padding: var(--lx-space-6);
  border-bottom: 1px solid var(--lx-border-light);
}

.lx-card-body {
  padding: var(--lx-space-6);
}

.lx-card-footer {
  padding: var(--lx-space-4) var(--lx-space-6);
  background-color: var(--lx-bg-secondary);
  border-top: 1px solid var(--lx-border-light);
}

/* Elevated Card */
.lx-card-elevated {
  box-shadow: var(--lx-shadow-lg);
  border: none;
}

/* Outline Card */
.lx-card-outline {
  border: 2px solid var(--lx-border-light);
  box-shadow: none;
}

/* ========================================
   BADGE & CHIP STYLES
   ======================================== */

.lx-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--lx-space-2);
  padding: var(--lx-space-1) var(--lx-space-2);
  font-size: var(--lx-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: var(--lx-radius-full);
  background-color: var(--lx-bg-secondary);
  color: var(--lx-text-primary);
  width: fit-content;
}

.lx-badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--lx-success);
}

.lx-badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--lx-warning);
}

.lx-badge-error {
  background-color: rgba(11, 92, 173, 0.1);
  color: var(--lx-error);
}

.lx-badge-info {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--lx-info);
}

.lx-badge-primary {
  background-color: rgba(42, 157, 143, 0.1);
  color: var(--lx-teal-500);
}

/* ========================================
   STEP INDICATOR
   ======================================== */

.lx-stepper {
  display: flex;
  gap: var(--lx-space-4);
  align-items: center;
  margin-bottom: var(--lx-space-8);
}

.lx-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--lx-space-2);
  position: relative;
  flex: 1;
}

.lx-step-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--lx-radius-full);
  background-color: var(--lx-bg-secondary);
  border: 2px solid var(--lx-border-light);
  font-weight: 600;
  color: var(--lx-text-secondary);
  transition: all var(--lx-transition-base);
}

.lx-step.active .lx-step-circle {
  background-color: var(--lx-teal-500);
  border-color: var(--lx-teal-500);
  color: #ffffff;
  box-shadow: 0 0 0 6px rgba(42, 157, 143, 0.1);
}

.lx-step.completed .lx-step-circle {
  background-color: var(--lx-navy-800);
  border-color: var(--lx-navy-800);
  color: #ffffff;
}

.lx-step-label {
  font-size: var(--lx-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--lx-text-secondary);
  text-align: center;
  max-width: 80px;
}

.lx-step.active .lx-step-label {
  color: var(--lx-teal-500);
}

.lx-step-connector {
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background-color: var(--lx-border-light);
  z-index: -1;
}

.lx-step.completed .lx-step-connector {
  background-color: var(--lx-navy-800);
}

/* ========================================
   PRICING DISPLAY
   ======================================== */

.lx-pricing-display {
  display: flex;
  flex-direction: column;
  gap: var(--lx-space-4);
  padding: var(--lx-space-6);
  background-color: var(--lx-bg-secondary);
  border-radius: var(--lx-radius-lg);
  border: 1px solid var(--lx-border-light);
}

.lx-pricing-label {
  font-size: var(--lx-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--lx-text-tertiary);
}

.lx-pricing-value {
  font-family: var(--lx-font-display);
  font-size: var(--lx-text-4xl);
  font-weight: 700;
  color: var(--lx-teal-500);
  line-height: 1;
}

.lx-pricing-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--lx-space-3) 0;
  border-bottom: 1px solid var(--lx-border-light);
  font-size: var(--lx-text-sm);
}

.lx-pricing-item:last-child {
  border-bottom: none;
}

.lx-pricing-item-label {
  color: var(--lx-text-secondary);
}

.lx-pricing-item-value {
  font-weight: 600;
  color: var(--lx-text-primary);
}

/* ========================================
   ALERT STYLES
   ======================================== */

.lx-alert {
  display: flex;
  gap: var(--lx-space-3);
  padding: var(--lx-space-4);
  border-radius: var(--lx-radius-md);
  border-left: 4px solid;
  font-size: var(--lx-text-sm);
}

.lx-alert-success {
  background-color: rgba(16, 185, 129, 0.05);
  border-color: var(--lx-success);
  color: var(--lx-success);
}

.lx-alert-warning {
  background-color: rgba(245, 158, 11, 0.05);
  border-color: var(--lx-warning);
  color: var(--lx-warning);
}

.lx-alert-error {
  background-color: rgba(11, 92, 173, 0.06);
  border-color: var(--lx-error);
  color: var(--lx-error);
}

.lx-alert-info {
  background-color: rgba(59, 130, 246, 0.05);
  border-color: var(--lx-info);
  color: var(--lx-info);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.lx-flex {
  display: flex;
}

.lx-flex-col {
  flex-direction: column;
}

.lx-gap-2 { gap: var(--lx-space-2); }
.lx-gap-4 { gap: var(--lx-space-4); }
.lx-gap-6 { gap: var(--lx-space-6); }
.lx-gap-8 { gap: var(--lx-space-8); }

.lx-p-4 { padding: var(--lx-space-4); }
.lx-p-6 { padding: var(--lx-space-6); }
.lx-px-4 { padding-left: var(--lx-space-4); padding-right: var(--lx-space-4); }
.lx-py-6 { padding-top: var(--lx-space-6); padding-bottom: var(--lx-space-6); }

.lx-mb-4 { margin-bottom: var(--lx-space-4); }
.lx-mb-6 { margin-bottom: var(--lx-space-6); }
.lx-mb-8 { margin-bottom: var(--lx-space-8); }

.lx-text-center { text-align: center; }
.lx-text-right { text-align: right; }

.lx-grid {
  display: grid;
}

.lx-grid-cols-1 {
  grid-template-columns: 1fr;
}

.lx-grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.lx-grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  h1, .lx-h1 {
    font-size: var(--lx-text-2xl);
  }

  h2, .lx-h2 {
    font-size: var(--lx-text-xl);
  }

  .lx-grid-cols-2 {
    grid-template-columns: 1fr;
  }

  .lx-grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .lx-card-body,
  .lx-card-header {
    padding: var(--lx-space-4);
  }

  .lx-btn-lg {
    padding: var(--lx-space-3) var(--lx-space-4);
    font-size: var(--lx-text-sm);
  }
}