:root {
  /* Colors - DEFAULT LIGHT THEME (Feminine Palette Example) */
  --color-background: #FFF0F5; /* LavenderBlush - Main background */
  --color-surface: #FFFFFF; /* White - Cards, modals background */
  --color-text: #6A515E; /* Deep Mauve/Rose - Main text */
  --color-text-secondary: #A47C8F; /* Lighter Mauve/Rose - Secondary text */
  
  /* Trousseau specific colors - LIGHT FEMININE THEME */
  --trousseau-primary: #DB7093; /* PaleVioletRed - Main interactive elements */
  --trousseau-primary-light: #C76285; /* Darker PaleVioletRed for hover */
  --trousseau-secondary: #FFB6C1; /* LightPink - Accent or secondary actions */
  --trousseau-secondary-light: #FFC0CB; /* Pink - Hover for secondary */
  --trousseau-tertiary: var(--color-background); /* Main background for consistency */
  --trousseau-accent: #98FB98; /* PaleGreen - Success states, positive actions */
  --trousseau-accent-light: #88E088; /* Darker PaleGreen for hover */
  --trousseau-orange: #FFA07A; /* LightSalmon - Warnings or distinct calls to action */

  /* Standard colors adapted for the theme */
  --color-primary: var(--trousseau-primary);
  --color-primary-hover: var(--trousseau-primary-light);
  --color-primary-active: #B35B7A; /* Even darker PaleVioletRed */
  
  --color-secondary: rgba(219, 112, 147, 0.08); /* Very light PaleVioletRed for backgrounds */
  --color-secondary-hover: rgba(219, 112, 147, 0.12);
  --color-secondary-active: rgba(219, 112, 147, 0.18);

  --color-border: rgba(164, 124, 143, 0.3); /* Mauve/Rose based border */
  --color-btn-primary-text: #FFFFFF; /* White text on primary buttons */
  
  --color-card-border: rgba(219, 112, 147, 0.2); 
  --color-card-border-inner: rgba(219, 112, 147, 0.15);
  
  --color-error: #D32F2F; /* Standard Red for errors */
  --color-success: var(--trousseau-accent); 
  --color-warning: var(--trousseau-orange);
  --color-info: #607D8B; /* Bluish Grey for info */

  --color-focus-ring: rgba(219, 112, 147, 0.4); /* Focus ring based on primary */
  --color-select-caret: var(--color-text);
  --select-caret-current: var(--select-caret-light); /* Default to light caret */


  /* Priority colors */
  --priority-high: var(--trousseau-secondary); 
  --priority-medium: var(--trousseau-orange); 
  --priority-low: #ADD8E6; /* LightBlue */

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236A515E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23E0E0E0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 152, 251, 152; /* PaleGreen */
  --color-error-rgb: 211, 47, 47;   /* Standard Red */
  --color-warning-rgb: 255, 160, 122;/* LightSalmon */
  --color-info-rgb: 96, 125, 139;    /* Bluish Grey */

  /* Typography */
  --font-family-base: "Verdana", "Geneva", sans-serif; /* Changed for a softer feel if FKGroteskNeue is not available*/
  --font-family-mono: "Courier New", Courier, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600; 
  --font-weight-bold: 700;
  --line-height-tight: 1.3;
  --line-height-normal: 1.6;
  --letter-spacing-tight: -0.005em; 

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(106, 81, 94, 0.05);
  --shadow-sm: 0 1px 3px rgba(106, 81, 94, 0.07), 0 1px 2px rgba(106, 81, 94, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(106, 81, 94, 0.08),
    0 2px 4px -1px rgba(106, 81, 94, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(106, 81, 94, 0.08),
    0 4px 6px -2px rgba(106, 81, 94, 0.05);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(106, 81, 94, 0.05);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* OS Dark mode preference - this will be overridden by [data-theme] if set by JS */
@media (prefers-color-scheme: dark) {
  :root { 
    /* Fallback dark theme colors if JS hasn't set data-theme or localStorage is empty */
    --color-background: #4A3F45;
    --color-surface: #5D4E58;
    --color-text: #F5E8EE;
    --color-text-secondary: #D1BCC5;
    
    --trousseau-primary: #E68FAC;
    --trousseau-primary-light: #F0A0C0;
    --trousseau-secondary: #FFA8B8;
    --trousseau-secondary-light: #FFC0CB;
    --trousseau-tertiary: var(--color-background);
    --trousseau-accent: #A0D9A0;
    --trousseau-accent-light: #B5EAB5;
    --trousseau-orange: #FFB38A;

    --color-primary: var(--trousseau-primary);
    --color-primary-hover: var(--trousseau-primary-light);
    --color-primary-active: #D97FA0;

    --color-secondary: rgba(230, 143, 172, 0.1);
    --color-secondary-hover: rgba(230, 143, 172, 0.18);
    --color-secondary-active: rgba(230, 143, 172, 0.22);

    --color-border: rgba(209, 188, 197, 0.3);
    --color-btn-primary-text: #3B3136;
    
    --color-card-border: rgba(209, 188, 197, 0.2);
    --color-card-border-inner: rgba(209, 188, 197, 0.15);
    
    --color-error: #EF9A9A;
    --color-success: var(--trousseau-accent);
    --color-warning: var(--trousseau-orange);
    --color-info: #B0C4DE;

    --color-focus-ring: rgba(230, 143, 172, 0.5);
    --color-select-caret: var(--color-text);
    --select-caret-current: var(--select-caret-dark);

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.25);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 5px 8px -1px rgba(0,0,0,0.25),
      0 3px 5px -1px rgba(0,0,0,0.2);
    --shadow-lg: 0 12px 17px -3px rgba(0,0,0,0.25),
      0 5px 8px -2px rgba(0,0,0,0.2);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.05),
      inset 0 -1px 0 rgba(0,0,0,0.3);
  }
}

/* EXPLICIT LIGHT THEME (set by JS via data-theme="light" on <html>) */
html[data-theme="light"] {
  --color-background: #FFF0F5; /* LavenderBlush */
  --color-surface: #FFFFFF; 
  --color-text: #6A515E; 
  --color-text-secondary: #A47C8F; 
  
  --trousseau-primary: #DB7093; 
  --trousseau-primary-light: #C76285; 
  --trousseau-secondary: #FFB6C1; 
  --trousseau-secondary-light: #FFC0CB; 
  --trousseau-tertiary: var(--color-background); 
  --trousseau-accent: #98FB98; 
  --trousseau-accent-light: #88E088; 
  --trousseau-orange: #FFA07A; 

  --color-primary: var(--trousseau-primary);
  --color-primary-hover: var(--trousseau-primary-light);
  --color-primary-active: #B35B7A; 
  
  --color-secondary: rgba(219, 112, 147, 0.08); 
  --color-secondary-hover: rgba(219, 112, 147, 0.12);
  --color-secondary-active: rgba(219, 112, 147, 0.18);

  --color-border: rgba(164, 124, 143, 0.3); 
  --color-btn-primary-text: #FFFFFF; 
  
  --color-card-border: rgba(219, 112, 147, 0.2); 
  --color-card-border-inner: rgba(219, 112, 147, 0.15);
  
  --color-error: #D32F2F; 
  --color-success: var(--trousseau-accent); 
  --color-warning: var(--trousseau-orange);
  --color-info: #607D8B; 

  --color-focus-ring: rgba(219, 112, 147, 0.4); 
  --color-select-caret: var(--color-text);
  --select-caret-current: var(--select-caret-light);

  --shadow-xs: 0 1px 2px rgba(106, 81, 94, 0.05);
  --shadow-sm: 0 1px 3px rgba(106, 81, 94, 0.07), 0 1px 2px rgba(106, 81, 94, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(106, 81, 94, 0.08),
    0 2px 4px -1px rgba(106, 81, 94, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(106, 81, 94, 0.08),
    0 4px 6px -2px rgba(106, 81, 94, 0.05);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 rgba(106, 81, 94, 0.05);
}

/* EXPLICIT DARK THEME (set by JS via data-theme="dark" on <html>) */
html[data-theme="dark"] {
  --color-background: #4A3F45; 
  --color-surface: #5D4E58;  
  --color-text: #F5E8EE; 
  --color-text-secondary: #D1BCC5; 
  
  --trousseau-primary: #E68FAC; 
  --trousseau-primary-light: #D97FA0; /* Darker for hover in dark theme */
  --trousseau-secondary: #FFA8B8; 
  --trousseau-secondary-light: #FFC0CB;
  --trousseau-tertiary: var(--color-background);
  --trousseau-accent: #A0D9A0; 
  --trousseau-accent-light: #8FBF8F; /* Darker for hover in dark theme */
  --trousseau-orange: #FFB38A; 

  --color-primary: var(--trousseau-primary);
  --color-primary-hover: var(--trousseau-primary-light);
  --color-primary-active: #D97FA0; 

  --color-secondary: rgba(230, 143, 172, 0.1); 
  --color-secondary-hover: rgba(230, 143, 172, 0.18);
  --color-secondary-active: rgba(230, 143, 172, 0.22);

  --color-border: rgba(209, 188, 197, 0.3); 
  --color-btn-primary-text: #3B3136; 
  
  --color-card-border: rgba(209, 188, 197, 0.2);
  --color-card-border-inner: rgba(209, 188, 197, 0.15);
  
  --color-error: #EF9A9A; 
  --color-success: var(--trousseau-accent);
  --color-warning: var(--trousseau-orange);
  --color-info: #B0C4DE; 

  --color-focus-ring: rgba(230, 143, 172, 0.5); 
  --color-select-caret: var(--color-text);
  --select-caret-current: var(--select-caret-dark);

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.25); 
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 5px 8px -1px rgba(0,0,0,0.25),
    0 3px 5px -1px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 17px -3px rgba(0,0,0,0.25),
    0 5px 8px -2px rgba(0,0,0,0.2);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 -1px 0 rgba(0,0,0,0.3);
}
  
  /* Base styles */
  html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    padding: 0;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: inherit;
  }
  
  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  h2 {
    font-size: var(--font-size-3xl);
  }
  h3 {
    font-size: var(--font-size-2xl);
  }
  h4 {
    font-size: var(--font-size-xl);
  }
  h5 {
    font-size: var(--font-size-lg);
  }
  h6 {
    font-size: var(--font-size-md);
  }
  
  p {
    margin: 0 0 var(--space-16) 0;
  }
  
  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
  }
  
  a:hover {
    color: var(--color-primary-hover);
  }
  
  code,
  pre {
    font-family: var(--font-family-mono);
    font-size: calc(var(--font-size-base) * 0.95);
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
  }
  
  code {
    padding: var(--space-1) var(--space-4);
  }
  
  pre {
    padding: var(--space-16);
    margin: var(--space-16) 0;
    overflow: auto;
    border: 1px solid var(--color-border);
  }
  
  pre code {
    background: none;
    padding: 0;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
    position: relative;
  }
  
  .btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }
  
  .btn--primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
  }
  
  .btn--primary:hover {
    background: var(--color-primary-hover);
  }
  
  .btn--primary:active {
    background: var(--color-primary-active);
  }
  
  .btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text);
  }
  
  .btn--secondary:hover {
    background: var(--color-secondary-hover);
  }
  
  .btn--secondary:active {
    background: var(--color-secondary-active);
  }
  
  .btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }
  
  .btn--outline:hover {
    background: var(--color-secondary);
  }
  
  .btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
  }
  
  .btn--lg {
    padding: var(--space-10) var(--space-20);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
  }
  
  .btn--full-width {
    width: 100%;
  }
  
  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  /* Form elements */
  .form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard),
      box-shadow var(--duration-fast) var(--ease-standard);
  }
  
  textarea.form-control {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
  }
  
  select.form-control {
    padding: var(--space-8) var(--space-12);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: var(--select-caret-light);
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    background-size: 16px;
    padding-right: var(--space-32);
  }
  
  /* Add a dark mode specific caret */
  @media (prefers-color-scheme: dark) {
    select.form-control {
      background-image: var(--select-caret-dark);
    }
  }
  
  /* Also handle data-color-scheme */
  [data-color-scheme="dark"] select.form-control {
    background-image: var(--select-caret-dark);
  }
  
  [data-color-scheme="light"] select.form-control {
    background-image: var(--select-caret-light);
  }
  
  .form-control:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
  }
  
  .form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }
  
  .form-group {
    margin-bottom: var(--space-16);
  }
  
  /* Card component */
  .card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--duration-normal) var(--ease-standard);
  }
  
  .card:hover {
    box-shadow: var(--shadow-md);
  }
  
  .card__body {
    padding: var(--space-16);
  }
  
  .card__header,
  .card__footer {
    padding: var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
  }
  
  /* Status indicators - simplified with CSS variables */
  .status {
    display: inline-flex;
    align-items: center;
    padding: var(--space-6) var(--space-12);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }
  
  .status--success {
    background-color: rgba(
      var(--color-success-rgb, 33, 128, 141),
      var(--status-bg-opacity)
    );
    color: var(--color-success);
    border: 1px solid
      rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
  }
  
  .status--error {
    background-color: rgba(
      var(--color-error-rgb, 192, 21, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-error);
    border: 1px solid
      rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
  }
  
  .status--warning {
    background-color: rgba(
      var(--color-warning-rgb, 168, 75, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-warning);
    border: 1px solid
      rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
  }
  
  .status--info {
    background-color: rgba(
      var(--color-info-rgb, 98, 108, 113),
      var(--status-bg-opacity)
    );
    color: var(--color-info);
    border: 1px solid
      rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
  }
  
  /* Container layout */
  .container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
  }
  
  @media (min-width: 640px) {
    .container {
      max-width: var(--container-sm);
    }
  }
  @media (min-width: 768px) {
    .container {
      max-width: var(--container-md);
    }
  }
  @media (min-width: 1024px) {
    .container {
      max-width: var(--container-lg);
    }
  }
  @media (min-width: 1280px) {
    .container {
      max-width: var(--container-xl);
    }
  }
  
  /* Utility classes */
  .flex {
    display: flex;
  }
  .flex-col {
    flex-direction: column;
  }
  .items-center {
    align-items: center;
  }
  .justify-center {
    justify-content: center;
  }
  .justify-between {
    justify-content: space-between;
  }
  .gap-4 {
    gap: var(--space-4);
  }
  .gap-8 {
    gap: var(--space-8);
  }
  .gap-16 {
    gap: var(--space-16);
  }
  
  .m-0 {
    margin: 0;
  }
  .mt-8 {
    margin-top: var(--space-8);
  }
  .mb-8 {
    margin-bottom: var(--space-8);
  }
  .mx-8 {
    margin-left: var(--space-8);
    margin-right: var(--space-8);
  }
  .my-8 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
  }
  
  .p-0 {
    padding: 0;
  }
  .py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
  .py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
  .px-16 {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }
  
  .block {
    display: block;
  }
  .hidden {
    display: none;
  }
  
  /* Accessibility */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
  
  :focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
  }
  
  /* Dark mode specifics */
  [data-color-scheme="dark"] .btn--outline {
    border: 1px solid var(--color-border-secondary);
  }
  
  @font-face {
    font-family: 'FKGroteskNeue';
    src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
      format('woff2');
  }
  
  :root {
    /* Colors */
    --color-background: rgba(252, 252, 249, 1);
    --color-surface: rgba(255, 255, 253, 1);
    --color-text: rgba(19, 52, 59, 1);
    --color-text-secondary: rgba(98, 108, 113, 1);
    --color-primary: rgba(33, 128, 141, 1);
    --color-primary-hover: rgba(29, 116, 128, 1);
    --color-primary-active: rgba(26, 104, 115, 1);
    --color-secondary: rgba(94, 82, 64, 0.12);
    --color-secondary-hover: rgba(94, 82, 64, 0.2);
    --color-secondary-active: rgba(94, 82, 64, 0.25);
    --color-border: rgba(94, 82, 64, 0.2);
    --color-btn-primary-text: rgba(252, 252, 249, 1);
    --color-card-border: rgba(94, 82, 64, 0.12);
    --color-card-border-inner: rgba(94, 82, 64, 0.12);
    --color-error: rgba(192, 21, 47, 1);
    --color-success: rgba(33, 128, 141, 1);
    --color-warning: rgba(168, 75, 47, 1);
    --color-info: rgba(98, 108, 113, 1);
    --color-focus-ring: rgba(33, 128, 141, 0.4);
    --color-select-caret: rgba(19, 52, 59, 0.8);
  
    /* Common style patterns */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  
    /* RGB versions for opacity control */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;
  
    /* Typography */
    --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
      BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
      Monaco, Consolas, monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;
  
    /* Spacing */
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
  
    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;
  
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
      0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
      0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
      inset 0 -1px 0 rgba(0, 0, 0, 0.03);
  
    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  
    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    
    /* Trousseau specific colors */
    --trousseau-primary: #2C3E50;
    --trousseau-secondary: #E74C3C;
    --trousseau-tertiary: #F8F9FA;
    --trousseau-accent: #27AE60;
    --trousseau-orange: #F39C12;
    --trousseau-primary-light: #34495E;
    --trousseau-secondary-light: #EC7063;
    --trousseau-accent-light: #2ECC71;
    
    /* Priority colors */
    --priority-high: #E74C3C;
    --priority-medium: #F39C12;
    --priority-low: #95A5A6;
  }
  
  /* Dark mode colors */
  @media (prefers-color-scheme: dark) {
    :root {
      --color-background: rgba(31, 33, 33, 1);
      --color-surface: rgba(38, 40, 40, 1);
      --color-text: rgba(245, 245, 245, 1);
      --color-text-secondary: rgba(167, 169, 169, 0.7);
      --color-primary: rgba(50, 184, 198, 1);
      --color-primary-hover: rgba(45, 166, 178, 1);
      --color-primary-active: rgba(41, 150, 161, 1);
      --color-secondary: rgba(119, 124, 124, 0.15);
      --color-secondary-hover: rgba(119, 124, 124, 0.25);
      --color-secondary-active: rgba(119, 124, 124, 0.3);
      --color-border: rgba(119, 124, 124, 0.3);
      --color-error: rgba(255, 84, 89, 1);
      --color-success: rgba(50, 184, 198, 1);
      --color-warning: rgba(230, 129, 97, 1);
      --color-info: rgba(167, 169, 169, 1);
      --color-focus-ring: rgba(50, 184, 198, 0.4);
      --color-btn-primary-text: rgba(19, 52, 59, 1);
      --color-card-border: rgba(119, 124, 124, 0.2);
      --color-card-border-inner: rgba(119, 124, 124, 0.15);
      --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
      --color-select-caret: rgba(245, 245, 245, 0.8);
      --trousseau-tertiary: #2C3E50;
    }
  }
  
  [data-theme="dark"] {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.15);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-select-caret: rgba(245, 245, 245, 0.8);
    --trousseau-tertiary: #2C3E50;
  }
  
  /* Base styles */
  html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    padding: 0;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: inherit;
  }
  
  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  h2 {
    font-size: var(--font-size-3xl);
  }
  h3 {
    font-size: var(--font-size-2xl);
  }
  h4 {
    font-size: var(--font-size-xl);
  }
  h5 {
    font-size: var(--font-size-lg);
  }
  h6 {
    font-size: var(--font-size-md);
  }
  
  p {
    margin: 0 0 var(--space-16) 0;
  }
  
  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
  }
  
  a:hover {
    color: var(--color-primary-hover);
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
    position: relative;
    gap: var(--space-8);
  }
  
  .btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }
  
  .btn--primary {
    background: var(--trousseau-primary);
    color: white;
  }
  
  .btn--primary:hover {
    background: var(--trousseau-primary-light);
  }
  
  .btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text);
  }
  
  .btn--secondary:hover {
    background: var(--color-secondary-hover);
  }
  
  .btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }
  
  .btn--outline:hover {
    background: var(--color-secondary);
  }
  
  .btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
  }
  
  .btn--lg {
    padding: var(--space-10) var(--space-20);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
  }
  
  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  /* Form elements */
  .form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard),
      box-shadow var(--duration-fast) var(--ease-standard);
  }
  
  textarea.form-control {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    resize: vertical;
  }
  
  select.form-control {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: var(--select-caret-light);
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    background-size: 16px;
    padding-right: var(--space-32);
  }
  
  @media (prefers-color-scheme: dark) {
    select.form-control {
      background-image: var(--select-caret-dark);
    }
  }
  
  [data-theme="dark"] select.form-control {
    background-image: var(--select-caret-dark);
  }
  
  .form-control:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
  }
  
  .form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }
  
  .form-group {
    margin-bottom: var(--space-16);
  }
  
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  
  /* Container layout */
  .container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
  }
  
  @media (min-width: 640px) {
    .container {
      max-width: var(--container-sm);
    }
  }
  @media (min-width: 768px) {
    .container {
      max-width: var(--container-md);
    }
  }
  @media (min-width: 1024px) {
    .container {
      max-width: var(--container-lg);
    }
  }
  @media (min-width: 1280px) {
    .container {
      max-width: var(--container-xl);
    }
  }
  
  /* Header */
  .header {
    background: linear-gradient(135deg, var(--trousseau-primary) 0%, var(--trousseau-primary-light) 100%);
    color: white;
    padding: var(--space-16) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: var(--space-12);
  }
  
  .logo i {
    font-size: 2rem;
    color: var(--trousseau-secondary);
  }
  
  .logo h1 {
    font-size: var(--font-size-3xl);
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: white;
  }
  
  .header-actions {
    display: flex;
    gap: var(--space-12);
    align-items: center;
  }
  
  /* Navigation tabs */
  .nav-tabs {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
  }
  
  .tab-buttons {
    display: flex;
    gap: 0;
  }
  
  .tab-btn {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-16) var(--space-24);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border-bottom: 3px solid transparent;
    position: relative;
  }
  
  .tab-btn:hover {
    color: var(--color-text);
    background-color: var(--color-secondary);
  }
  
  .tab-btn--active {
    color: var(--trousseau-primary);
    border-bottom-color: var(--trousseau-primary);
    background-color: var(--color-secondary);
  }
  
  .tab-btn i {
    font-size: 1.1rem;
  }
  
  /* Main content */
  .main-content {
    padding: var(--space-24) 0;
    min-height: calc(100vh - 160px);
  }
  
  .tab-content {
    display: none;
  }
  
  .tab-content--active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  /* Content headers */
  .content-header, .dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-32);
  }
  
  .dashboard-header h2, .content-header h2 {
    margin: 0 0 var(--space-8) 0;
    color: var(--trousseau-primary);
  }
  
  .text-secondary {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
  }
  
  /* Stats grid */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-24);
    margin-bottom: var(--space-32);
  }
  
  .stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--space-16);
    transition: transform var(--duration-normal) var(--ease-standard);
  }
  
  .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
  }
  
  .stat-icon--success { background: var(--trousseau-accent); }
  .stat-icon--warning { background: var(--trousseau-orange); }
  .stat-icon--primary { background: var(--trousseau-primary); }
  .stat-icon--info { background: var(--color-info); }
  
  .stat-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
  }
  
  .stat-content p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
  }
  
  /* Dashboard charts */
  .dashboard-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-24);
  }
  
  .chart-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
  }
  
  .chart-card h3 {
    margin: 0 0 var(--space-20) 0;
    color: var(--trousseau-primary);
    font-size: var(--font-size-lg);
  }
  
  /* Category progress */
  .category-progress-item {
    margin-bottom: var(--space-16);
  }
  
  .category-progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
  }
  
  .category-progress-bar {
    height: 8px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
  }
  
  .category-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--trousseau-primary), var(--trousseau-accent));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
  }
  
  /* Recent items */
  .recent-item {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--color-border);
  }
  
  .recent-item:last-child {
    border-bottom: none;
  }
  
  .recent-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-base);
    background: var(--trousseau-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
  }
  
  .recent-item-content h4 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
  }
  
  .recent-item-content p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
  }
  
/* --- Filtres et Stats (Style ajusté) --- */
.filters-bar {
  display: flex;
  gap: var(--space-16); 
  padding: var(--space-16); 
  margin-bottom: var(--space-24); 
  align-items: center;
  flex-wrap: wrap; /* Garder wrap pour la responsivité sur petits écrans */
}

.filters-bar .search-box {
  position: relative;
  flex-grow: 1;   /* La recherche prend la majorité de l'espace disponible */
  flex-shrink: 1; 
  flex-basis: 250px; /* Réduire un peu la base pour aider à tenir sur une ligne */
  min-width: 180px; 
}
/* ... styles pour l'icône et l'input dans .search-box ... */
.filters-bar .search-box i.fa-search {
  position: absolute;
  left: var(--space-12);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  pointer-events: none; 
}
.filters-bar .search-box input.form-control {
  padding-left: var(--space-32); 
}


.filters-bar select.form-control {
  min-width: 150px; 
  flex-grow: 0;     
  flex-shrink: 0;   /* Rendre le select moins enclin à rétrécir ou grandir agressivement */
  flex-basis: 180px; /* Base pour le select */
}

.filters-bar .stats {
  margin-left: auto; 
  white-space: nowrap;
  color: var(--color-text-secondary); 
  flex-shrink: 0; 
  padding-left: var(--space-16); 
}

/* Le @media pour 768px peut rester comme avant pour un empilement vertical sur mobile */
@media (max-width: 768px) {
  /* Si vous voulez qu'ils s'empilent sur mobile, laissez ces règles */
  .filters-bar .search-box,
  .filters-bar select.form-control {
      width: 100%; 
      flex-basis: 100%; 
      min-width: 0; 
  }
  .filters-bar .stats {
      width: 100%;
      margin-left: 0;
      text-align: center;
      margin-top: var(--space-12);
  }
}
  

  /* Items grid */
  .items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-24);
  }
  
  .item-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
  }
  
  .item-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
  
  .item-card-header {
    padding: var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
  }
  
  .item-card-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
  }
  
  .item-card-title h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
  }
  
  .item-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
  }
  
  .item-tag {
    padding: var(--space-4) var(--space-8);
    background: var(--color-secondary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
  }
  
  .item-tag--category {
    background: var(--trousseau-primary);
    color: white;
  }
  
  .item-tag--price {
    background: var(--trousseau-accent);
    color: white;
  }
  
  .item-card-body {
    padding: var(--space-16);
  }
  
  .item-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-16);
    line-height: 1.5;
  }
  
  .item-actions {
    display: flex;
    gap: var(--space-8);
    justify-content: flex-end;
  }
  
  .item-actions .btn {
    padding: var(--space-6) var(--space-12);
    font-size: var(--font-size-sm);
  }
  
  /* Priority badges */
  .priority-badge {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .priority-badge--haute {
    background: var(--priority-high);
  }
  
  .priority-badge--moyenne {
    background: var(--priority-medium);
  }
  
  .priority-badge--basse {
    background: var(--priority-low);
  }
  
  /* Wishlist specific */
  .wishlist-card .item-card-header {
    background: linear-gradient(135deg, var(--trousseau-secondary), var(--trousseau-secondary-light));
    color: white;
  }
  
  .wishlist-card .item-tag--category {
    background: rgba(255, 255, 255, 0.2);
    color: white;
  }
  
  .btn--wishlist-to-achete {
    background: var(--trousseau-accent);
    color: white;
  }
  
  .btn--wishlist-to-achete:hover {
    background: var(--trousseau-accent-light);
  }
  
  /* Categories list */
  .categories-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .category-group {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    overflow: hidden;
  }
  
  .category-main {
    padding: var(--space-20);
    background: linear-gradient(135deg, var(--trousseau-primary), var(--trousseau-primary-light));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .category-main h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: white;
  }
  
  .category-actions {
    display: flex;
    gap: var(--space-8);
  }
  
  .category-actions .btn {
    padding: var(--space-6) var(--space-12);
    font-size: var(--font-size-sm);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
  }
  
  .category-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
  }
  
  .subcategories-list {
    padding: var(--space-16);
  }
  
  .subcategory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-12);
    border-bottom: 1px solid var(--color-border);
  }
  
  .subcategory-item:last-child {
    border-bottom: none;
  }
  
  .subcategory-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
  }
  
  .subcategory-count {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
  }
  
  /* Modales */
  .modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
  }
  
  .modal--active {
    display: flex;
    animation: modalFadeIn 0.3s ease-out;
  }
  
  @keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  .modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
  }
  
  .modal-content--sm {
    max-width: 400px;
  }
  
  .modal-content--fullscreen {
    width: 95%;
    height: 95%;
    max-width: none;
    max-height: none;
  }
  
  @keyframes modalSlideIn {
    from { transform: translateY(-50px) scale(0.95); }
    to { transform: translateY(0) scale(1); }
  }
  
  .modal-header {
    padding: var(--space-20) var(--space-24);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-background);
  }
  
  .modal-header h3 {
    margin: 0;
    color: var(--trousseau-primary);
    font-size: var(--font-size-xl);
  }
  
  .modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-8);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
  }
  
  .modal-close:hover {
    background: var(--color-secondary);
    color: var(--color-text);
  }
  
  .modal-body {
    padding: var(--space-24);
    max-height: 60vh;
    overflow-y: auto;
  }
  
  .modal-footer {
    padding: var(--space-20) var(--space-24);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--space-16);
    justify-content: flex-end;
    background: var(--color-background);
  }
  
  /* Image upload */
  .image-upload {
    text-align: center;
  }
  
  .image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: var(--space-16);
  }
  
  .image-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-base);
    overflow: hidden;
    border: 2px solid var(--color-border);
  }
  
  .image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .image-preview-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--trousseau-secondary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
  }
  
  /* Lightbox */
  .lightbox-header {
    position: absolute;
    top: var(--space-16);
    right: var(--space-16);
    z-index: 10;
  }
  
  .lightbox-body {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }
  
  .lightbox-body img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-base);
  }
  
  .lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--space-24);
    pointer-events: none;
  }
  
  .lightbox-nav-btn {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    cursor: pointer;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background var(--duration-fast) var(--ease-standard);
  }
  
  .lightbox-nav-btn:hover {
    background: rgba(0, 0, 0, 0.8);
  }
  
  /* Toast notifications */
  .toast-container {
    position: fixed;
    top: var(--space-20);
    right: var(--space-20);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
  }
  
  .toast {
    padding: var(--space-16) var(--space-20);
    border-radius: var(--radius-base);
    color: white;
    font-weight: var(--font-weight-medium);
    box-shadow: var(--shadow-lg);
    animation: toastSlideIn 0.3s ease-out;
    position: relative;
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
  
  .toast--success {
    background: var(--trousseau-accent);
  }
  
  .toast--error {
    background: var(--trousseau-secondary);
  }
  
  .toast--info {
    background: var(--trousseau-primary);
  }
  
  @keyframes toastSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
  
  /* Loading overlay */
  .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(2px);
  }
  
  .loading-overlay--active {
    display: flex;
  }
  
  .loading-spinner {
    text-align: center;
    color: white;
  }
  
  .loading-spinner i {
    font-size: 3rem;
    margin-bottom: var(--space-16);
  }
  
  .loading-spinner p {
    font-size: var(--font-size-lg);
    margin: 0;
  }
  
  /* Empty state */
  .empty-state {
    text-align: center;
    padding: var(--space-32);
    color: var(--color-text-secondary);
  }
  
  .empty-state i {
    font-size: 4rem;
    margin-bottom: var(--space-16);
    color: var(--color-border);
  }
  
  .empty-state h3 {
    margin: 0 0 var(--space-8) 0;
    color: var(--color-text);
  }
  
  .empty-state p {
    margin-bottom: var(--space-20);
  }
  
  /* Responsive design */
  @media (max-width: 768px) {
    .dashboard-charts {
      grid-template-columns: 1fr;
    }
  
    .stats-grid {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
  
    .content-header, .dashboard-header {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--space-16);
    }
  
    .filters-row {
      flex-direction: column;
      align-items: stretch;
    }
  
    .search-box {
      max-width: none;
    }
  
    .items-grid {
      grid-template-columns: 1fr;
    }
  
    .form-row {
      grid-template-columns: 1fr;
    }
  
    .tab-btn span {
      display: none;
    }
  
    .tab-btn {
      padding: var(--space-12) var(--space-16);
    }
  
    .modal-content {
      width: 95%;
      margin: var(--space-20);
    }
  
    .toast-container {
      left: var(--space-16);
      right: var(--space-16);
    }
  
    .toast {
      min-width: auto;
    }
  }
  
  @media (max-width: 480px) {
    .logo h1 {
      font-size: var(--font-size-2xl);
    }
  
    .header-actions {
      flex-direction: column;
      gap: var(--space-8);
    }
  
    .stat-card {
      flex-direction: column;
      text-align: center;
    }
  
    .modal-body {
      padding: var(--space-16);
    }
  
    .modal-footer {
      padding: var(--space-16);
      flex-direction: column;
    }
  }
  
  @font-face {
    font-family: 'FKGroteskNeue';
    src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
      format('woff2');
  }


  /* --- Lightbox Fixes for PHP App Structure --- */
/* Ensure the main lightbox container behaves like a modal */
#lightbox.lightbox-modal { /* Targeting your existing ID with the class it has */
    display: none; /* Hidden by default, JS toggles */
    position: fixed;
    z-index: 2000; /* High z-index */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85); /* Dark overlay */
    justify-content: center;
    align-items: center;
    /* flex-direction: column; /* Removed, as content has its own flex */
    /* animation: fadeIn 0.3s; /* Re-enable if you have fadeIn keyframes */
}

#lightbox.lightbox-modal.show { /* JS will add/remove 'show' */
    display: flex; 
}

/* Styling for your existing close button */
#lightbox .lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s, transform 0.3s;
    z-index: 2001; /* Above content */
}

#lightbox .lightbox-close:hover {
    color: #bbb;
    transform: scale(1.1);
}

/* Styling for your existing content wrapper */
#lightbox .lightbox-content {
    position: relative; /* For positioning prev/next buttons */
    display: flex; /* Arrange image and buttons */
    justify-content: center;
    align-items: center;
    max-width: 90%;
    max-height: 90vh;
}

#lightbox .lightbox-image {
    display: block;
    max-width: 100%;
    max-height: 80vh; /* Adjust as needed */
    border-radius: var(--radius-base);
    /* animation: zoomIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Re-enable if you have zoomIn */
}

/* Styling for your existing prev/next buttons */
#lightbox .lightbox-prev,
#lightbox .lightbox-next {
    cursor: pointer;
    position: absolute; /* Position relative to lightbox-content */
    top: 50%;
    transform: translateY(-50%);
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 24px;
    transition: 0.3s;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
    border: none;
    border-radius: 3px; /* From original */
    z-index: 1; /* Below close button if overlapping, but above image if needed */
}

#lightbox .lightbox-prev {
    left: -50px; /* Adjust as needed, or use % */
}

#lightbox .lightbox-next {
    right: -50px; /* Adjust as needed, or use % */
}

#lightbox .lightbox-prev:hover,
#lightbox .lightbox-next:hover {
    background-color: rgba(0,0,0,0.6);
}

/* Responsive adjustments for prev/next buttons */
@media (max-width: 768px) {
    #lightbox .lightbox-prev {
        left: 10px; 
    }
    #lightbox .lightbox-next {
        right: 10px;
    }
    #lightbox .lightbox-image {
        max-height: 70vh;
    }
}