/**
 * theDragon.AI Design System
 * Versione: 1.0.0
 * 
 * Sistema di design unificato per garantire coerenza visiva
 * e riutilizzabilità dei componenti in tutta l'applicazione.
 */

/* ========================================
   1. CSS CUSTOM PROPERTIES (VARIABILI)
   ======================================== */

:root {
  /* === PALETTE COLORI BRAND === */
  --dragon-purple-dark: #41336c;
  --dragon-purple: #8D86C9;
  --dragon-purple-bright: #9D3F9C;
  --dragon-red: #EB4564;
  --dragon-teal: #73BFB8;
  
  /* === COLORI FUNZIONALI === */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: var(--dragon-red);
  --color-info: var(--dragon-purple);
  
  /* === COLORI NEUTRI === */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* === TYPOGRAPHY === */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* === SPACING === */
  --spacing-1: 0.25rem;   /* 4px */
  --spacing-2: 0.5rem;    /* 8px */
  --spacing-3: 0.75rem;   /* 12px */
  --spacing-4: 1rem;      /* 16px */
  --spacing-5: 1.25rem;   /* 20px */
  --spacing-6: 1.5rem;    /* 24px */
  --spacing-8: 2rem;      /* 32px */
  --spacing-10: 2.5rem;   /* 40px */
  --spacing-12: 3rem;     /* 48px */
  --spacing-16: 4rem;     /* 64px */
  --spacing-20: 5rem;     /* 80px */
  
  /* === BORDER RADIUS === */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;  /* 6px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-full: 9999px;
  
  /* === 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-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* === TRANSITIONS === */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* === Z-INDEX === */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal-backdrop: 40;
  --z-modal: 50;
  --z-popover: 60;
  --z-tooltip: 70;
  --z-toast: 80;
}

/* ========================================
   2. RESET E BASE STYLES
   ======================================== */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--gray-800);
  background-color: var(--gray-50);
  margin: 0;
  padding: 0;
}

/* ========================================
   3. TYPOGRAPHY SYSTEM
   ======================================== */

.heading-primary {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--dragon-purple-dark);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-4) 0;
}

.heading-secondary {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--dragon-purple-dark);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-3) 0;
}

.heading-tertiary {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--dragon-purple);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-2) 0;
}

.text-standard {
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--gray-700);
  margin: 0 0 var(--spacing-4) 0;
}

.text-large {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  color: var(--gray-700);
}

.text-small {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--gray-600);
}

.text-xs {
  font-size: var(--font-size-xs);
  line-height: var(--line-height-normal);
  color: var(--gray-500);
}

.link-standard {
  color: var(--dragon-purple-bright);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.link-standard:hover {
  color: var(--dragon-purple-dark);
  text-decoration: underline;
}

/* ========================================
   4. BUTTON SYSTEM
   ======================================== */

.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

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

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  gap: var(--spacing-1);
}

.btn-md {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-lg);
  gap: var(--spacing-2);
}

/* Button Variants */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: var(--dragon-purple);
  color: white;
  border-color: var(--dragon-purple);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--dragon-purple-dark);
  border-color: var(--dragon-purple-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: white;
  color: var(--dragon-purple);
  border-color: var(--dragon-purple);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-50);
  color: var(--dragon-purple-dark);
  border-color: var(--dragon-purple-dark);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: var(--dragon-red);
  color: white;
  border-color: var(--dragon-red);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
  border-color: #dc2626;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: transparent;
  color: var(--dragon-purple);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--gray-100);
  color: var(--dragon-purple-dark);
}

/* ========================================
   5. ICON BUTTON SYSTEM
   ======================================== */

/* Base Icon Button */
.btn-icon-base {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  transition: all 200ms ease-in-out;
  white-space: nowrap;
  user-select: none;
  color: var(--dragon-purple);
}

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

/* Add Button - Standard "Aggiungi" button */
.btn-add {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  transition: all 200ms ease-in-out;
  white-space: nowrap;
  user-select: none;
  color: var(--dragon-purple);
}

.btn-add:hover:not(:disabled) {
  color: var(--dragon-purple-dark);
}

/* Icon container for Add button */
.btn-add-icon {
  width: 2rem;  /* 32px */
  height: 2rem; /* 32px */
  border-radius: var(--radius-full);
  border: 2px solid var(--dragon-purple);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 200ms ease-in-out;
}

.btn-add:hover:not(:disabled) .btn-add-icon {
  background-color: var(--dragon-purple);
  border-color: var(--dragon-purple-dark);
}

/* SVG icon inside Add button */
.btn-add-svg {
  width: 1.25rem; /* 20px */
  height: 1.25rem; /* 20px */
  transition: all 200ms ease-in-out;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

.btn-add:hover:not(:disabled) .btn-add-svg {
  color: white;
}

/* Icon Button Sizes */
.btn-icon-sm .btn-add-icon {
  width: 1.5rem;  /* 24px */
  height: 1.5rem; /* 24px */
}

.btn-icon-sm .btn-add-svg {
  width: 1rem;    /* 16px */
  height: 1rem;   /* 16px */
}

.btn-icon-sm {
  font-size: var(--font-size-xs);
  gap: var(--spacing-1);
}

.btn-icon-md .btn-add-icon {
  width: 2rem;    /* 32px */
  height: 2rem;   /* 32px */
}

.btn-icon-md .btn-add-svg {
  width: 1.25rem; /* 20px */
  height: 1.25rem; /* 20px */
}

.btn-icon-md {
  font-size: var(--font-size-sm);
  gap: var(--spacing-2);
}

.btn-icon-lg .btn-add-icon {
  width: 2.5rem;  /* 40px */
  height: 2.5rem; /* 40px */
}

.btn-icon-lg .btn-add-svg {
  width: 1.5rem;  /* 24px */
  height: 1.5rem; /* 24px */
}

.btn-icon-lg {
  font-size: var(--font-size-base);
  gap: var(--spacing-3);
}

/* Focus states for accessibility */
.btn-add:focus {
  outline: 2px solid var(--dragon-purple);
  outline-offset: 2px;
}

.btn-add:focus:not(:focus-visible) {
  outline: none;
}

/* Active state */
.btn-add:active:not(:disabled) .btn-add-icon {
  transform: scale(0.95);
}

/* ========================================
   6. CARD SYSTEM
   ======================================== */

.card-base {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  overflow: hidden;
}

.card-primary {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  padding: var(--spacing-6);
}

.card-secondary {
  background-color: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  border: 1px solid var(--gray-200);
}

.card-compact {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  padding: var(--spacing-4);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--gray-200);
}

.card-content {
  flex: 1;
}

.card-footer {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--gray-200);
}

/* ========================================
   7. MODAL SYSTEM
   ======================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal-container {
  background-color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 48rem;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  z-index: var(--z-modal);
  position: relative;
}

.modal-header {
  padding: var(--spacing-6) var(--spacing-6) var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
  position: relative;
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--dragon-purple-dark);
  margin: 0;
  text-align: center;
}

.modal-close-btn {
  position: absolute;
  top: var(--spacing-6);
  right: var(--spacing-6);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--spacing-1);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--gray-600);
  background-color: var(--gray-100);
}

.modal-content {
  padding: var(--spacing-6);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.modal-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.modal-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--dragon-purple-dark);
}

.modal-input {
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.modal-input:focus {
  outline: none;
  border-color: var(--dragon-purple);
  box-shadow: 0 0 0 3px rgba(141, 134, 201, 0.1);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-3);
  justify-content: flex-end;
  margin-top: var(--spacing-6);
}

.modal-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: var(--dragon-purple);
  color: white;
  border-color: var(--dragon-purple);
}

.modal-btn-primary:hover:not(:disabled) {
  background-color: var(--dragon-purple-dark);
  border-color: var(--dragon-purple-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.modal-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  gap: var(--spacing-2);
  background-color: white;
  color: var(--dragon-purple);
  border-color: var(--dragon-purple);
}

.modal-btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-50);
  color: var(--dragon-purple-dark);
  border-color: var(--dragon-purple-dark);
}

/* ========================================
   8. FEEDBACK SYSTEM
   ======================================== */

.feedback-base {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.feedback-success {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.feedback-error {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
}

.feedback-warning {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #fffbeb;
  border-color: #fed7aa;
  color: #d97706;
}

.feedback-info {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #f0f9ff;
  border-color: #bae6fd;
  color: var(--dragon-purple-dark);
}

.modal-error {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
  margin-top: var(--spacing-4);
}

.modal-success {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  background-color: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
  margin-top: var(--spacing-4);
}

/* ========================================
   9. BADGE SYSTEM
   ======================================== */

.badge-base {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  /* Ensure text color is not overridden by parent elements */
  color: inherit !important;
}

.badge-must {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--dragon-red);
  color: white;
}

.badge-should {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--dragon-purple);
  color: white;
}

.badge-could {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--dragon-teal);
  color: white;
}

.badge-wont {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--gray-400);
  color: white;
}

.badge-success {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--color-success);
  color: white;
}

.badge-warning {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--color-warning);
  color: white;
}

.badge-error {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  color: inherit !important;
  background-color: var(--color-error);
  color: white;
}

/* Additional Label Badge Styles */
/* Ensure small badge labels like [F1], [T1], [S1] etc. have proper visibility */
.text-xs.px-2.py-1.rounded {
  color: white !important;
}

/* Specific selectors for inline badge spans with background colors */
span.text-xs.px-2.py-1.rounded[class*="bg-"] {
  color: white !important;
}

/* Ensure all small badge elements maintain text visibility */
.text-xs.font-bold[class*="text-"],
span.text-xs.font-bold[class*="text-"] {
  color: inherit !important;
}

/* ========================================
   9. LAYOUT SYSTEM
   ======================================== */

.container-main {
  max-width: 64rem; /* 1024px */
  margin: 0 auto;
  padding: var(--spacing-12) var(--spacing-4);
}

.container-form {
  max-width: 32rem; /* 512px */
  margin: 0 auto;
  padding: var(--spacing-8) var(--spacing-4);
}

.container-wide {
  max-width: 80rem; /* 1280px */
  margin: 0 auto;
  padding: var(--spacing-12) var(--spacing-4);
}

.container-conversation {
  max-width: 80rem; /* 1280px */
  margin: 0 auto;
}

/* ========================================
   10. UTILITY CLASSES
   ======================================== */

/* Spacing Utilities */
.space-y-2 > * + * { margin-top: var(--spacing-2); }
.space-y-3 > * + * { margin-top: var(--spacing-3); }
.space-y-4 > * + * { margin-top: var(--spacing-4); }
.space-y-6 > * + * { margin-top: var(--spacing-6); }
.space-y-8 > * + * { margin-top: var(--spacing-8); }

.space-x-2 > * + * { margin-left: var(--spacing-2); }
.space-x-3 > * + * { margin-left: var(--spacing-3); }
.space-x-4 > * + * { margin-left: var(--spacing-4); }

/* Loading States */
.loading-spinner {
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--dragon-purple);
  border-radius: var(--radius-full);
  width: 2.25rem;
  height: 2.25rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.9);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
}

/* Status Indicators */
.status-in-progress {
  background-color: #fef3c7;
  color: var(--dragon-purple-dark);
  border: 1px solid var(--dragon-purple);
}

.status-completed {
  background-color: #d1fae5;
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .container-main,
  .container-form,
  .container-wide {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }
  
  .modal-container {
    margin: var(--spacing-4);
    max-width: calc(100vw - 2rem);
  }
  
  .heading-primary {
    font-size: var(--font-size-2xl);
  }
}

/* ========================================
   11. COMPONENT SPECIFIC STYLES
   ======================================== */

/* Info Box */
.info-box {
  background-color: #dbeafe;
  color: var(--dragon-purple-dark);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-8);
  font-size: var(--font-size-base);
  border: 1px solid #bfdbfe;
}

/* Epic Header */
.epic-header {
  background-color: var(--dragon-purple);
  color: white;
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

/* Feature Container */
.feature-container {
  background-color: #f6f5fa;
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  border: 1px solid #e5e3f3;
}

/* Story Container */
.story-container {
  background-color: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  border: 1px solid var(--gray-200);
}

/* Sidebar Styles */
.sidebar-container {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  background-color: white;
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-fixed);
  width: 16rem;
  border-right: 1px solid var(--gray-200);
}

.sidebar-container.open {
  transform: translateX(0);
}

/* ========================================
   12. ANIMATIONS
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal);
}

.animate-slide-in-up {
  animation: slideInUp var(--transition-normal);
}

.animate-slide-in-down {
  animation: slideInDown var(--transition-normal);
}

/* ========================================
   13. PRINT STYLES
   ======================================== */

@media print {
  .modal-backdrop,
  .btn-primary,
  .btn-secondary,
  .sidebar-container {
    display: none !important;
  }
  
  .card-primary {
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
}