/**
 * Paustian Enterprises Design System
 * Version: 2.0
 * Universal CSS framework for all PE farm applications
 *
 * Usage: Add class="pe-app-{app-name}" to <body> to set app theme
 * Example: <body class="pe-app-nursery-records">
 *
 * Canonical source: github.com/paustianfarm/pe-design-system
 * Companion deliverables: streamlit/ (config.toml theme), tailwind/ (pe-preset.js)
 */

/* ============================================
   GOOGLE FONTS IMPORT
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
  /* Base Colors - Dark Theme */
  --pe-bg-primary: #0f1117;
  --pe-bg-secondary: #1a1d23;
  --pe-bg-tertiary: #252a31;
  
  --pe-text-primary: #f9fafb;
  --pe-text-secondary: #d1d5db;
  --pe-text-tertiary: #9ca3af;
  
  --pe-border: rgba(255, 255, 255, 0.1);
  --pe-border-hover: rgba(255, 255, 255, 0.2);
  
  /* Brand Colors */
  --pe-brand-slate: #6B839E;
  --pe-brand-silver: #BEC6CC;
  --pe-brand-blue: #5A7691;
  
  /* Lightened for dark backgrounds */
  --pe-brand-slate-light: #8FA7C3;
  --pe-brand-silver-light: #D8DDE2;
  --pe-brand-blue-light: #7A96B1;
  
  /* Semantic Colors */
  --pe-success: #10b981;
  --pe-warning: #f59e0b;
  --pe-error: #ef4444;
  --pe-info: #3b82f6;
  
  --pe-success-bg: rgba(16, 185, 129, 0.1);
  --pe-warning-bg: rgba(245, 158, 11, 0.1);
  --pe-error-bg: rgba(239, 68, 68, 0.1);
  --pe-info-bg: rgba(59, 130, 246, 0.1);
  
  /* State Colors */
  --pe-hover: rgba(255, 255, 255, 0.05);
  --pe-active: rgba(255, 255, 255, 0.1);
  --pe-focus: rgba(59, 130, 246, 0.5);
  
  /* Typography */
  --pe-font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --pe-text-xs: 0.75rem;
  --pe-text-sm: 0.875rem;
  --pe-text-base: 1rem;
  --pe-text-lg: 1.125rem;
  --pe-text-xl: 1.25rem;
  --pe-text-2xl: 1.5rem;
  --pe-text-3xl: 1.875rem;
  --pe-text-4xl: 2.25rem;
  
  --pe-font-normal: 400;
  --pe-font-medium: 500;
  --pe-font-semibold: 600;
  --pe-font-bold: 700;
  
  --pe-leading-tight: 1.25;
  --pe-leading-normal: 1.5;
  --pe-leading-relaxed: 1.75;
  
  /* Spacing */
  --pe-space-1: 0.25rem;
  --pe-space-2: 0.5rem;
  --pe-space-3: 0.75rem;
  --pe-space-4: 1rem;
  --pe-space-5: 1.25rem;
  --pe-space-6: 1.5rem;
  --pe-space-8: 2rem;
  --pe-space-10: 2.5rem;
  --pe-space-12: 3rem;
  --pe-space-16: 4rem;
  
  /* Border Radius */
  --pe-radius-sm: 0.375rem;
  --pe-radius-md: 0.5rem;
  --pe-radius-lg: 0.75rem;
  --pe-radius-xl: 1rem;
  --pe-radius-full: 9999px;
  
  /* Watermark logo — override per app to match your static path */
  --pe-logo-url: url("pe-logo.49676308087c.png");

  /* Default accent (brand blue) */
  --pe-accent: var(--pe-brand-blue-light);
  --pe-accent-hover: #8AACCA;
  --pe-accent-bg: rgba(122, 150, 177, 0.1);
}

/* ============================================
   PER-APP ACCENT COLORS
   ============================================ */
.pe-app-field-analytics {
  --pe-accent: #10b981;
  --pe-accent-hover: #059669;
  --pe-accent-bg: rgba(16, 185, 129, 0.1);
}

.pe-app-barn-records {
  --pe-accent: #f59e0b;
  --pe-accent-hover: #d97706;
  --pe-accent-bg: rgba(245, 158, 11, 0.1);
}

.pe-app-wage-worksheet {
  --pe-accent: #3b82f6;
  --pe-accent-hover: #2563eb;
  --pe-accent-bg: rgba(59, 130, 246, 0.1);
}

.pe-app-hgcc {
  --pe-accent: #84cc16;
  --pe-accent-hover: #65a30d;
  --pe-accent-bg: rgba(132, 204, 22, 0.1);
  --pe-accent-text: #1a2e05; /* Dark text for light accent buttons */
}

.pe-app-farm-dashboard {
  --pe-accent: #8b5cf6;
  --pe-accent-hover: #7c3aed;
  --pe-accent-bg: rgba(139, 92, 246, 0.1);
}

.pe-app-grain-basis {
  /* Slate per the app's lived-in identity (changed from yellow in v2.0.2) */
  --pe-accent: #8FA7C3;
  --pe-accent-hover: #A9BDD4;
  --pe-accent-bg: rgba(143, 167, 195, 0.12);
  --pe-accent-text: #16202c; /* Dark text for light accent buttons */
}

.pe-app-market-weight {
  --pe-accent: #ec4899;
  --pe-accent-hover: #db2777;
  --pe-accent-bg: rgba(236, 72, 153, 0.1);
}

.pe-app-network-assistant {
  --pe-accent: #06b6d4;
  --pe-accent-hover: #0891b2;
  --pe-accent-bg: rgba(6, 182, 212, 0.1);
}

.pe-app-inventory {
  /* Green per the app's PRD identity (changed from red in v2.0.1) */
  --pe-accent: #22c55e;
  --pe-accent-hover: #16a34a;
  --pe-accent-bg: rgba(34, 197, 94, 0.1);
}

.pe-app-fbs {
  --pe-accent: #14b8a6;
  --pe-accent-hover: #0d9488;
  --pe-accent-bg: rgba(20, 184, 166, 0.1);
}

/* --- Added in v2.0 --- */

.pe-app-barns {
  /* Barn Monitor; inherits amber from the retired barn-records app */
  --pe-accent: #f59e0b;
  --pe-accent-hover: #d97706;
  --pe-accent-bg: rgba(245, 158, 11, 0.1);
}

.pe-app-nursery-records {
  /* Formalizes the soft pink nursery-records already ships */
  --pe-accent: #e879a0;
  --pe-accent-hover: #db5f8a;
  --pe-accent-bg: rgba(232, 121, 160, 0.1);
  --pe-accent-text: #4a0d20; /* Dark text for light accent buttons */
}

.pe-app-mortality-staging {
  --pe-accent: #f97316;
  --pe-accent-hover: #ea580c;
  --pe-accent-bg: rgba(249, 115, 22, 0.1);
}

.pe-app-swine-health {
  /* Sky blue, matching the palette the app launched with */
  --pe-accent: #0ea5e9;
  --pe-accent-hover: #0284c7;
  --pe-accent-bg: rgba(14, 165, 233, 0.1);
}

.pe-app-smithfield-dashboard {
  --pe-accent: #6366f1;
  --pe-accent-hover: #4f46e5;
  --pe-accent-bg: rgba(99, 102, 241, 0.1);
}

.pe-app-pig-inventory {
  --pe-accent: #d946ef;
  --pe-accent-hover: #c026d3;
  --pe-accent-bg: rgba(217, 70, 239, 0.1);
}

.pe-app-project-dashboard {
  /* Successor to farm-dashboard; inherits its violet */
  --pe-accent: #8b5cf6;
  --pe-accent-hover: #7c3aed;
  --pe-accent-bg: rgba(139, 92, 246, 0.1);
}

.pe-app-finisherdl {
  --pe-accent: #f43f5e;
  --pe-accent-hover: #e11d48;
  --pe-accent-bg: rgba(244, 63, 94, 0.1);
}

.pe-app-fbs-groups {
  /* Light teal — same family as fbs, the app it analyzes alongside */
  --pe-accent: #2dd4bf;
  --pe-accent-hover: #14b8a6;
  --pe-accent-bg: rgba(45, 212, 191, 0.1);
  --pe-accent-text: #042f2e; /* Dark text for light accent buttons */
}

/* ============================================
   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(--pe-font-family);
  font-size: var(--pe-text-base);
  line-height: var(--pe-leading-normal);
  color: var(--pe-text-primary);
  background-color: var(--pe-bg-primary);
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--pe-space-4) 0;
  font-weight: var(--pe-font-semibold);
  line-height: var(--pe-leading-tight);
  color: var(--pe-text-primary);
}

h1 { font-size: var(--pe-text-3xl); }
h2 { font-size: var(--pe-text-2xl); }
h3 { font-size: var(--pe-text-xl); }
h4 { font-size: var(--pe-text-lg); }
h5 { font-size: var(--pe-text-base); }
h6 { font-size: var(--pe-text-sm); }

p {
  margin: 0 0 var(--pe-space-4) 0;
  color: var(--pe-text-secondary);
}

a {
  color: var(--pe-accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

a:focus-visible {
  outline: 2px solid var(--pe-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Typography Utility Classes */
.pe-heading-xs { font-size: var(--pe-text-xs); font-weight: var(--pe-font-semibold); }
.pe-heading-sm { font-size: var(--pe-text-sm); font-weight: var(--pe-font-semibold); }
.pe-heading-base { font-size: var(--pe-text-base); font-weight: var(--pe-font-semibold); }
.pe-heading-lg { font-size: var(--pe-text-lg); font-weight: var(--pe-font-semibold); }
.pe-heading-xl { font-size: var(--pe-text-xl); font-weight: var(--pe-font-semibold); }
.pe-heading-2xl { font-size: var(--pe-text-2xl); font-weight: var(--pe-font-semibold); }
.pe-heading-3xl { font-size: var(--pe-text-3xl); font-weight: var(--pe-font-bold); }

.pe-text-primary { color: var(--pe-text-primary); }
.pe-text-secondary { color: var(--pe-text-secondary); }
.pe-text-tertiary { color: var(--pe-text-tertiary); }

.pe-text-xs { font-size: var(--pe-text-xs); }
.pe-text-sm { font-size: var(--pe-text-sm); }
.pe-text-base { font-size: var(--pe-text-base); }
.pe-text-lg { font-size: var(--pe-text-lg); }
.pe-text-xl { font-size: var(--pe-text-xl); }

.pe-font-normal { font-weight: var(--pe-font-normal); }
.pe-font-medium { font-weight: var(--pe-font-medium); }
.pe-font-semibold { font-weight: var(--pe-font-semibold); }
.pe-font-bold { font-weight: var(--pe-font-bold); }

/* ============================================
   LAYOUT
   ============================================ */
.pe-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--pe-space-4);
}

@media (min-width: 768px) {
  .pe-container {
    padding: var(--pe-space-6);
  }
}

.pe-section {
  margin-bottom: var(--pe-space-8);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.pe-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--pe-bg-secondary);
  border-bottom: 1px solid var(--pe-border);
  height: 64px;
}

@media (min-width: 768px) {
  .pe-header {
    height: 72px;
  }
}

.pe-header-content {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 var(--pe-space-4);
  gap: var(--pe-space-4);
  position: relative;
}

/* Logo as watermark — centered background mark, never interferes with UI */
.pe-logo {
  display: none; /* Hide any inline logo elements; watermark is via body::after */
}

body::after {
  content: '';
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 200px;
  height: 200px;
  background-image: var(--pe-logo-url);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: grayscale(1) brightness(1.8);
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

@media (max-width: 767px) {
  body::after {
    width: 120px;
    height: 120px;
    bottom: 1rem;
    right: 1rem;
  }
}

.pe-app-name {
  font-size: var(--pe-text-xl);
  font-weight: var(--pe-font-semibold);
  color: var(--pe-accent);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--pe-space-2);
}

.pe-app-icon {
  font-size: var(--pe-text-2xl);
  line-height: 1;
}

.pe-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--pe-space-3);
}

/* ============================================
   CARDS
   ============================================ */
.pe-card {
  background-color: var(--pe-bg-secondary);
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius-lg);
  padding: var(--pe-space-6);
  margin-bottom: var(--pe-space-6);
  transition: border-color 0.2s, background-color 0.2s;
}

.pe-card:hover {
  border-color: var(--pe-border-hover);
}

.pe-card-interactive {
  cursor: pointer;
}

.pe-card-interactive:hover {
  background-color: var(--pe-bg-tertiary);
}

.pe-card-header {
  margin-bottom: var(--pe-space-4);
  padding-bottom: var(--pe-space-4);
  border-bottom: 1px solid var(--pe-border);
}

.pe-card-title {
  font-size: var(--pe-text-xl);
  font-weight: var(--pe-font-semibold);
  color: var(--pe-text-primary);
  margin: 0;
}

.pe-card-subtitle {
  font-size: var(--pe-text-sm);
  color: var(--pe-text-tertiary);
  margin: var(--pe-space-2) 0 0 0;
}

.pe-card-body {
  color: var(--pe-text-secondary);
}

.pe-card-footer {
  margin-top: var(--pe-space-4);
  padding-top: var(--pe-space-4);
  border-top: 1px solid var(--pe-border);
  display: flex;
  gap: var(--pe-space-3);
  justify-content: flex-end;
}

/* ============================================
   BUTTONS
   ============================================ */
.pe-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pe-space-2);
  padding: 0.625rem 1.25rem;
  font-family: var(--pe-font-family);
  font-size: var(--pe-text-base);
  font-weight: var(--pe-font-medium);
  line-height: 1.5;
  border-radius: var(--pe-radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  min-height: 44px;
  white-space: nowrap;
}

.pe-btn:focus-visible {
  outline: 2px solid var(--pe-accent);
  outline-offset: 2px;
}

.pe-btn:active {
  transform: scale(0.98);
}

.pe-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button - Filled with accent color */
.pe-btn-primary {
  background-color: var(--pe-accent);
  color: var(--pe-accent-text, white);
}

.pe-btn-primary:hover {
  background-color: var(--pe-accent-hover);
}

/* Secondary Button - Outlined */
.pe-btn-secondary {
  background-color: transparent;
  border: 1px solid var(--pe-border);
  color: var(--pe-text-primary);
}

.pe-btn-secondary:hover {
  background-color: var(--pe-hover);
  border-color: var(--pe-border-hover);
}

/* Danger Button */
.pe-btn-danger {
  background-color: var(--pe-error);
  color: white;
}

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

/* Success Button */
.pe-btn-success {
  background-color: var(--pe-success);
  color: white;
}

.pe-btn-success:hover {
  background-color: #059669;
}

/* Ghost Button */
.pe-btn-ghost {
  background-color: transparent;
  color: var(--pe-text-secondary);
  border: none;
}

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

/* Button Sizes */
.pe-btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--pe-text-sm);
  min-height: 36px;
}

.pe-btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--pe-text-lg);
  min-height: 52px;
}

/* Button Group */
.pe-btn-group {
  display: flex;
  gap: var(--pe-space-3);
  flex-wrap: wrap;
}

/* ============================================
   FORMS
   ============================================ */
.pe-form {
  width: 100%;
}

.pe-form-group {
  margin-bottom: var(--pe-space-5);
}

.pe-label {
  display: block;
  font-size: var(--pe-text-sm);
  font-weight: var(--pe-font-medium);
  color: var(--pe-text-primary);
  margin-bottom: var(--pe-space-2);
}

.pe-label-required::after {
  content: " *";
  color: var(--pe-error);
}

.pe-input,
.pe-select,
.pe-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--pe-font-family);
  font-size: var(--pe-text-base);
  color: var(--pe-text-primary);
  background-color: var(--pe-bg-tertiary);
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 44px;
}

.pe-input::placeholder,
.pe-textarea::placeholder {
  color: var(--pe-text-tertiary);
}

.pe-input:focus,
.pe-select:focus,
.pe-textarea:focus {
  outline: none;
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 3px var(--pe-accent-bg);
}

.pe-input:disabled,
.pe-select:disabled,
.pe-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.pe-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* Checkbox and Radio */
.pe-checkbox,
.pe-radio {
  display: flex;
  align-items: center;
  gap: var(--pe-space-2);
  cursor: pointer;
  margin-bottom: var(--pe-space-3);
}

.pe-checkbox input[type="checkbox"],
.pe-radio input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--pe-accent);
}

.pe-checkbox label,
.pe-radio label {
  cursor: pointer;
  user-select: none;
  margin: 0;
}

/* Form Helper Text */
.pe-help-text {
  display: block;
  font-size: var(--pe-text-sm);
  color: var(--pe-text-tertiary);
  margin-top: var(--pe-space-2);
}

.pe-error-text {
  display: block;
  font-size: var(--pe-text-sm);
  color: var(--pe-error);
  margin-top: var(--pe-space-2);
}

/* Form Actions */
.pe-form-actions {
  display: flex;
  gap: var(--pe-space-3);
  justify-content: flex-end;
  margin-top: var(--pe-space-6);
  padding-top: var(--pe-space-6);
  border-top: 1px solid var(--pe-border);
}

/* ============================================
   TABLES
   ============================================ */
.pe-table-container {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--pe-space-6);
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius-lg);
}

.pe-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--pe-text-sm);
}

.pe-table thead {
  background-color: var(--pe-bg-tertiary);
}

.pe-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: var(--pe-font-semibold);
  color: var(--pe-text-primary);
  border-bottom: 1px solid var(--pe-border);
}

.pe-table td {
  padding: 0.75rem 1rem;
  color: var(--pe-text-secondary);
  border-bottom: 1px solid var(--pe-border);
}

.pe-table tbody tr:last-child td {
  border-bottom: none;
}

.pe-table tbody tr:hover {
  background-color: var(--pe-hover);
}

.pe-table-striped tbody tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.pe-toast-container {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
}

/* Desktop: top-right */
@media (min-width: 768px) {
  .pe-toast-container {
    top: var(--pe-space-6);
    right: var(--pe-space-6);
    max-width: 400px;
  }
}

/* Mobile: top-center */
@media (max-width: 767px) {
  .pe-toast-container {
    top: var(--pe-space-4);
    left: var(--pe-space-4);
    right: var(--pe-space-4);
  }
}

.pe-toast {
  background-color: var(--pe-bg-secondary);
  border: 1px solid var(--pe-border);
  border-left: 4px solid var(--pe-accent);
  border-radius: var(--pe-radius-md);
  padding: var(--pe-space-4) var(--pe-space-5);
  margin-bottom: var(--pe-space-3);
  display: flex;
  align-items: flex-start;
  gap: var(--pe-space-3);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  pointer-events: auto;
  animation: pe-toast-slide-in 0.3s ease;
}

@keyframes pe-toast-slide-in {
  from {
    opacity: 0;
    transform: translateY(-1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pe-toast-success {
  border-left-color: var(--pe-success);
}

.pe-toast-warning {
  border-left-color: var(--pe-warning);
}

.pe-toast-error {
  border-left-color: var(--pe-error);
}

.pe-toast-info {
  border-left-color: var(--pe-info);
}

.pe-toast-icon {
  font-size: var(--pe-text-xl);
  line-height: 1;
  flex-shrink: 0;
}

.pe-toast-content {
  flex: 1;
}

.pe-toast-title {
  font-weight: var(--pe-font-semibold);
  color: var(--pe-text-primary);
  margin: 0 0 var(--pe-space-1) 0;
}

.pe-toast-message {
  font-size: var(--pe-text-sm);
  color: var(--pe-text-secondary);
  margin: 0;
}

.pe-toast-close {
  background: none;
  border: none;
  color: var(--pe-text-tertiary);
  cursor: pointer;
  padding: 0;
  font-size: var(--pe-text-lg);
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.2s;
}

.pe-toast-close:hover {
  color: var(--pe-text-primary);
}

/* ============================================
   MODALS
   ============================================ */
.pe-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--pe-space-4);
  animation: pe-fade-in 0.2s ease;
}

@keyframes pe-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.pe-modal {
  background-color: var(--pe-bg-secondary);
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: pe-modal-slide-up 0.3s ease;
}

@keyframes pe-modal-slide-up {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pe-modal-lg {
  max-width: 800px;
}

.pe-modal-header {
  padding: var(--pe-space-6);
  border-bottom: 1px solid var(--pe-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pe-modal-title {
  font-size: var(--pe-text-xl);
  font-weight: var(--pe-font-semibold);
  color: var(--pe-text-primary);
  margin: 0;
}

.pe-modal-close {
  background: none;
  border: none;
  color: var(--pe-text-tertiary);
  cursor: pointer;
  padding: var(--pe-space-2);
  font-size: var(--pe-text-2xl);
  line-height: 1;
  transition: color 0.2s;
}

.pe-modal-close:hover {
  color: var(--pe-text-primary);
}

.pe-modal-body {
  padding: var(--pe-space-6);
  color: var(--pe-text-secondary);
}

.pe-modal-footer {
  padding: var(--pe-space-6);
  border-top: 1px solid var(--pe-border);
  display: flex;
  gap: var(--pe-space-3);
  justify-content: flex-end;
}

/* ============================================
   BADGES
   ============================================ */
.pe-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--pe-text-xs);
  font-weight: var(--pe-font-medium);
  border-radius: var(--pe-radius-md);
  white-space: nowrap;
}

.pe-badge-primary {
  background-color: var(--pe-accent-bg);
  color: var(--pe-accent);
}

.pe-badge-success {
  background-color: var(--pe-success-bg);
  color: var(--pe-success);
}

.pe-badge-warning {
  background-color: var(--pe-warning-bg);
  color: var(--pe-warning);
}

.pe-badge-error {
  background-color: var(--pe-error-bg);
  color: var(--pe-error);
}

.pe-badge-info {
  background-color: var(--pe-info-bg);
  color: var(--pe-info);
}

/* ============================================
   ALERTS
   ============================================ */
.pe-alert {
  padding: var(--pe-space-4);
  border-radius: var(--pe-radius-md);
  border-left: 4px solid;
  margin-bottom: var(--pe-space-4);
}

.pe-alert-success {
  background-color: var(--pe-success-bg);
  border-left-color: var(--pe-success);
  color: var(--pe-success);
}

.pe-alert-warning {
  background-color: var(--pe-warning-bg);
  border-left-color: var(--pe-warning);
  color: var(--pe-warning);
}

.pe-alert-error {
  background-color: var(--pe-error-bg);
  border-left-color: var(--pe-error);
  color: var(--pe-error);
}

.pe-alert-info {
  background-color: var(--pe-info-bg);
  border-left-color: var(--pe-info);
  color: var(--pe-info);
}

.pe-alert-title {
  font-weight: var(--pe-font-semibold);
  margin-bottom: var(--pe-space-2);
}

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

/* Spacing */
.pe-mt-0 { margin-top: 0; }
.pe-mt-2 { margin-top: var(--pe-space-2); }
.pe-mt-4 { margin-top: var(--pe-space-4); }
.pe-mt-6 { margin-top: var(--pe-space-6); }
.pe-mt-8 { margin-top: var(--pe-space-8); }

.pe-mb-0 { margin-bottom: 0; }
.pe-mb-2 { margin-bottom: var(--pe-space-2); }
.pe-mb-4 { margin-bottom: var(--pe-space-4); }
.pe-mb-6 { margin-bottom: var(--pe-space-6); }
.pe-mb-8 { margin-bottom: var(--pe-space-8); }

.pe-p-0 { padding: 0; }
.pe-p-2 { padding: var(--pe-space-2); }
.pe-p-4 { padding: var(--pe-space-4); }
.pe-p-6 { padding: var(--pe-space-6); }
.pe-p-8 { padding: var(--pe-space-8); }

/* Display */
.pe-flex { display: flex; }
.pe-inline-flex { display: inline-flex; }
.pe-grid { display: grid; }
.pe-hidden { display: none; }
.pe-block { display: block; }
.pe-inline-block { display: inline-block; }

/* Flex utilities */
.pe-flex-col { flex-direction: column; }
.pe-flex-wrap { flex-wrap: wrap; }
.pe-items-center { align-items: center; }
.pe-items-start { align-items: flex-start; }
.pe-items-end { align-items: flex-end; }
.pe-justify-center { justify-content: center; }
.pe-justify-between { justify-content: space-between; }
.pe-justify-end { justify-content: flex-end; }
.pe-gap-2 { gap: var(--pe-space-2); }
.pe-gap-4 { gap: var(--pe-space-4); }
.pe-gap-6 { gap: var(--pe-space-6); }

/* Grid utilities */
.pe-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pe-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pe-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Width */
.pe-w-full { width: 100%; }
.pe-w-auto { width: auto; }

/* Text alignment */
.pe-text-left { text-align: left; }
.pe-text-center { text-align: center; }
.pe-text-right { text-align: right; }

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767px) {
  .pe-hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .pe-hide-desktop { display: none !important; }
  
  .pe-md-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pe-md-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pe-md-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ============================================
   STREAMLIT OVERRIDES (optional)
   ============================================ */
.stApp {
  background-color: var(--pe-bg-primary);
  color: var(--pe-text-primary);
}

.stButton > button {
  background-color: var(--pe-accent) !important;
  color: white !important;
  border: none !important;
  border-radius: var(--pe-radius-md) !important;
  padding: 0.625rem 1.25rem !important;
  font-weight: 500 !important;
  font-family: var(--pe-font-family) !important;
}

.stTextInput > div > div > input {
  background-color: var(--pe-bg-tertiary) !important;
  border: 1px solid var(--pe-border) !important;
  color: var(--pe-text-primary) !important;
  border-radius: var(--pe-radius-sm) !important;
}

/* ============================================
   END OF PE DESIGN SYSTEM
   ============================================ */
