:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 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;
}

/* Dark mode colors (do NOT apply when app forces light) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-color-scheme="light"]) {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 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);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --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 dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Explicit Light Theme Override (takes precedence over prefers-color-scheme: dark)
   Ensures that when the app sets `data-color-scheme="light"` or `data-theme="light"`,
   the UI actually switches to light mode regardless of OS preference. */
:root[data-color-scheme="light"],
:root[data-theme="light"] {
  /* Core semantic tokens */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  /* Header gradient softened for light mode */
  --header-gradient: linear-gradient(135deg, #93c5fd 0%, #60a5fa 100%);
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 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-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --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 dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Color Scheme Variants */
[data-color-scheme-variant="blue"] {
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-active: #1d4ed8;
  --color-teal-500: #3b82f6;
  --color-teal-600: #2563eb;
  --color-teal-700: #1d4ed8;
  --color-teal-500-rgb: 59, 130, 246;
  --color-success: #3b82f6;
  --color-success-rgb: 59, 130, 246;
}

[data-color-scheme-variant="green"] {
  --color-primary: #10b981;
  --color-primary-hover: #059669;
  --color-primary-active: #047857;
  --color-teal-500: #10b981;
  --color-teal-600: #059669;
  --color-teal-700: #047857;
  --color-teal-500-rgb: 16, 185, 129;
  --color-success: #10b981;
  --color-success-rgb: 16, 185, 129;
}

[data-color-scheme-variant="purple"] {
  --color-primary: #8b5cf6;
  --color-primary-hover: #7c3aed;
  --color-primary-active: #6d28d9;
  --color-teal-500: #8b5cf6;
  --color-teal-600: #7c3aed;
  --color-teal-700: #6d28d9;
  --color-teal-500-rgb: 139, 92, 246;
  --color-success: #8b5cf6;
  --color-success-rgb: 139, 92, 246;
}

[data-color-scheme-variant="orange"] {
  --color-primary: #f59e0b;
  --color-primary-hover: #d97706;
  --color-primary-active: #b45309;
  --color-teal-500: #f59e0b;
  --color-teal-600: #d97706;
  --color-teal-700: #b45309;
  --color-teal-500-rgb: 245, 158, 11;
  --color-success: #f59e0b;
  --color-success-rgb: 245, 158, 11;
}

/* Font Size Variants */
[data-font-size="small"] {
  --font-size-xs: 10px;
  --font-size-sm: 11px;
  --font-size-base: 12px;
  --font-size-md: 12px;
  --font-size-lg: 14px;
  --font-size-xl: 16px;
  --font-size-2xl: 18px;
  --font-size-3xl: 22px;
  --font-size-4xl: 28px;
}

[data-font-size="large"] {
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 22px;
  --font-size-3xl: 26px;
  --font-size-4xl: 32px;
}

[data-font-size="xlarge"] {
  --font-size-xs: 14px;
  --font-size-sm: 16px;
  --font-size-base: 18px;
  --font-size-md: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 22px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 34px;
}

/* Font Family Variants */
[data-font-family="modern"] {
  --font-family-base: "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-font-family="classic"] {
  --font-family-base: Georgia, "Times New Roman", serif;
}

[data-font-family="mono"] {
  --font-family-base: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* 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);
}

/* Accessible dropdown option styles (improve contrast) */
select.form-control option {
  color: var(--color-slate-900);
  background-color: var(--color-cream-100);
  -webkit-text-fill-color: var(--color-slate-900); /* Ensure readable in WebKit */
}

select.form-control option:hover,
select.form-control option:focus,
select.form-control option:checked {
  background-color: rgba(var(--color-brown-600-rgb), 0.12);
  color: var(--color-slate-900);
  -webkit-text-fill-color: var(--color-slate-900);
}

select.form-control option[disabled] {
  color: var(--color-slate-500);
  -webkit-text-fill-color: var(--color-slate-500);
  background-color: var(--color-cream-100);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-color-scheme="light"]) 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);
}

/* Dark theme option styles */
[data-theme="dark"] select.form-control option,
@media (prefers-color-scheme: dark) { 
  /* Use a scoped selector for dark scheme */
}
[data-theme="dark"] select.form-control option {
  color: var(--color-gray-200);
  -webkit-text-fill-color: var(--color-gray-200);
  background-color: var(--color-charcoal-800);
}
[data-theme="dark"] select.form-control option:hover,
[data-theme="dark"] select.form-control option:focus,
[data-theme="dark"] select.form-control option:checked {
  background-color: rgba(var(--color-gray-400-rgb), 0.25);
  color: var(--color-gray-200);
  -webkit-text-fill-color: var(--color-gray-200);
}
[data-theme="dark"] select.form-control option[disabled] {
  color: rgba(var(--color-gray-300-rgb), 0.7);
  -webkit-text-fill-color: rgba(var(--color-gray-300-rgb), 0.7);
}

.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');
}

/* END PERPLEXITY DESIGN SYSTEM */
:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 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;

  /* 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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-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);

  /* Custom App Colors */
  --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  --header-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}

[data-theme="light"] {
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);
}

/* Dark mode colors (do NOT apply when app forces light) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-color-scheme="light"]) {
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    --color-bg-1: rgba(29, 78, 216, 0.15);
    --color-bg-2: rgba(180, 83, 9, 0.15);
    --color-bg-3: rgba(21, 128, 61, 0.15);
    --color-bg-4: rgba(185, 28, 28, 0.15);
    --color-bg-5: rgba(107, 33, 168, 0.15);
    --color-bg-6: rgba(194, 65, 12, 0.15);
    --color-bg-7: rgba(190, 24, 93, 0.15);
    --color-bg-8: rgba(8, 145, 178, 0.15);

    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 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-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

[data-theme="dark"] {
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  --color-bg-1: rgba(29, 78, 216, 0.15);
  --color-bg-2: rgba(180, 83, 9, 0.15);
  --color-bg-3: rgba(21, 128, 61, 0.15);
  --color-bg-4: rgba(185, 28, 28, 0.15);
  --color-bg-5: rgba(107, 33, 168, 0.15);
  --color-bg-6: rgba(194, 65, 12, 0.15);
  --color-bg-7: rgba(190, 24, 93, 0.15);
  --color-bg-8: rgba(8, 145, 178, 0.15);

  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 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-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  background: var(--color-background);
  color: var(--color-text);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
}

.header {
  background: #0a0a0f;
  color: white;
  padding: var(--space-20);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.logo-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.logo {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
}

/* Suporte a imagem de logotipo aplicada dinamicamente */
.app-logo-img {
  max-height: 48px;
  max-width: 220px;
  object-fit: contain;
  display: block;
}

.subtitle {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.badge {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  display: inline-block;
  width: fit-content;
}

.header-actions {
  display: flex;
  gap: var(--space-12);
  align-items: center;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: var(--space-10) var(--space-16);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Cache Status Badge */
.cache-status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cache-status-badge:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#cache-icon {
  font-size: 16px;
  animation: pulse 2s infinite;
}

#cache-text {
  font-size: 11px;
  font-weight: 600;
  color: white;
  white-space: nowrap;
}

.cache-status-badge.cache-active {
  background: rgba(34, 197, 94, 0.2);
  border-color: rgba(34, 197, 94, 0.4);
}

.cache-status-badge.cache-empty {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-20);
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-20);
}

.sidebar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  height: fit-content;
  position: sticky;
  top: 120px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-card-border);
}

.sidebar-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.sidebar-tab {
  padding: var(--space-10) var(--space-12);
  border: 1px solid var(--color-border);
  background: var(--color-secondary);
  color: var(--color-text);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: left;
}

.sidebar-tab:hover {
  background: var(--color-secondary-hover);
}

.sidebar-tab.active {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
}

.sidebar-content {
  display: none;
}

.sidebar-content.active {
  display: block;
}

.sidebar-section {
  margin-bottom: var(--space-16);
}

.sidebar-item {
  padding: var(--space-12);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  position: relative;
}

.sidebar-item:hover {
  background: var(--color-secondary);
}

.sidebar-item.active {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  font-weight: var(--font-weight-semibold);
}

/* Sidebar Categories (Accordion) */
.sidebar-category {
  margin-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-8);
}

.sidebar-category:last-child {
  border-bottom: none;
}

.sidebar-category-header {
  padding: var(--space-12) var(--space-12);
  background: var(--color-bg-2);
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: all var(--duration-fast) var(--ease-standard);
  user-select: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.sidebar-category-header:hover {
  background: var(--color-bg-3);
  transform: translateX(2px);
}

.sidebar-category-header .category-icon {
  font-size: 10px;
  transition: transform var(--duration-fast) var(--ease-standard);
}

.sidebar-category.expanded .category-icon {
  transform: rotate(90deg);
}

.sidebar-category-header .category-title {
  flex: 1;
  color: var(--color-text);
}

.sidebar-category-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-standard);
  padding-left: var(--space-16);
}

.sidebar-category.expanded .sidebar-category-content {
  max-height: 3000px;
  padding-top: var(--space-8);
  padding-bottom: var(--space-4);
}

.sidebar-category-content .sidebar-item {
  font-size: var(--font-size-xs);
  padding: var(--space-8) var(--space-10);
}

/* Sidebar Sub-subcategories (3rd level) */
.sidebar-subcategory {
  margin-bottom: var(--space-8);
  margin-left: var(--space-8);
}

.sidebar-subcategory-header {
  padding: var(--space-10) var(--space-12);
  background: var(--color-bg-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: var(--font-weight-semibold);
  font-size: calc(var(--font-size-sm) * 1.2);
  transition: all var(--duration-fast) var(--ease-standard);
  user-select: none;
}

.sidebar-subcategory-header:hover {
  background: var(--color-bg-4);
  transform: translateX(2px);
}

.sidebar-subcategory-header .category-icon {
  font-size: 8px;
}

.sidebar-subcategory.expanded .category-icon {
  transform: rotate(90deg);
}

.sidebar-subcategory-header .subcategory-title {
  flex: 1;
  color: var(--color-text);
}

.sidebar-subcategory-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-standard), opacity var(--duration-normal) var(--ease-standard);
  padding-left: var(--space-12);
  opacity: 0;
  visibility: hidden;
}

.sidebar-subcategory.expanded .sidebar-subcategory-content {
  max-height: 5000px !important;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar-subcategory-content .sidebar-item {
  font-size: 12px;
  padding: var(--space-6) var(--space-8);
}

.star-btn {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  opacity: 0.3;
  transition: all var(--duration-fast) var(--ease-standard);
}

.star-btn:hover,
.star-btn.active {
  opacity: 1;
  transform: scale(1.2);
}

.main-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  box-shadow: var(--shadow-sm);
  min-height: 600px;
  border: 1px solid var(--color-card-border);
}

.section-header {
  margin-bottom: var(--space-32);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  color: var(--color-text);
}

.section-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-20);
  border: 1px solid var(--color-card-border);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
  color: var(--color-primary);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-16);
  margin-bottom: var(--space-20);
}

.form-group {
  margin-bottom: var(--space-16);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: var(--space-10) var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: all var(--duration-fast) var(--ease-standard);
}

.form-control:focus {
  outline: var(--focus-outline);
  border-color: var(--color-primary);
}

.btn {
  padding: var(--space-12) var(--space-24);
  border: none;
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  font-size: var(--font-size-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.result-box {
  background: var(--color-bg-1);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-base);
  padding: var(--space-20);
  margin-top: var(--space-20);
}

.result-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
  color: var(--color-primary);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-16);
}

.result-item {
  background: var(--color-surface);
  padding: var(--space-16);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-card-border);
}

.result-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.result-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.alert {
  padding: var(--space-16);
  border-radius: var(--radius-base);
  margin: var(--space-16) 0;
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.alert-success {
  background: rgba(var(--color-success-rgb), var(--status-bg-opacity));
  border-left: 4px solid var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background: rgba(var(--color-warning-rgb), var(--status-bg-opacity));
  border-left: 4px solid var(--color-warning);
  color: var(--color-warning);
}

.alert-error {
  background: rgba(var(--color-error-rgb), var(--status-bg-opacity));
  border-left: 4px solid var(--color-error);
  color: var(--color-error);
}

.table-container {
  overflow-x: auto;
  margin: var(--space-16) 0;
}

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

th {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-12);
  text-align: left;
  font-weight: var(--font-weight-semibold);
}

td {
  padding: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

tr:hover {
  background: var(--color-secondary);
}

.chart-container {
  position: relative;
  height: 400px;
  margin: var(--space-20) 0;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  max-width: 700px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-20);
}

.modal-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.close-btn {
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.history-item,
.favorite-item {
  padding: var(--space-16);
  background: var(--color-background);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-12);
  border: 1px solid var(--color-border);
}

.footer {
  text-align: center;
  padding: var(--space-20);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Help Button */
.btn-help {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  cursor: pointer;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.btn-help:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-lg);
  background: var(--color-primary-hover);
}

/* Help Modal */
.modal-help {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-help.active {
  display: flex;
}

.modal-help-content {
  width: 90%;
  max-width: 1100px;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-card-border);
}

.modal-help-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-24);
  border-bottom: 2px solid var(--color-primary);
  background: var(--color-background);
}

.modal-help-header h2 {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--font-size-3xl);
}

.modal-help-search {
  padding: var(--space-16) var(--space-20);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.modal-help-search input {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.modal-help-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-teal-500-rgb), 0.1);
}

.modal-help-tabs {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-16) var(--space-20);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  background: var(--color-surface);
}

.help-tab-btn {
  padding: var(--space-10) var(--space-20);
  border: none;
  background: var(--color-secondary);
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-base);
  transition: all var(--duration-fast) var(--ease-standard);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.help-tab-btn:hover {
  background: var(--color-secondary-hover);
}

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

.modal-help-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-24);
  background: var(--color-background);
}

.help-tab-content {
  display: none;
}

.help-tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.ajuda-secao {
  margin-bottom: var(--space-24);
  padding: var(--space-20);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.ajuda-secao h3 {
  margin-top: 0;
  margin-bottom: var(--space-12);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.tabela-campos {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-16);
}

.tabela-campos th {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-12);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.tabela-campos td {
  padding: var(--space-10);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.tabela-campos tbody tr:hover {
  background: var(--color-secondary);
}

.escala-visual {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-16);
  margin-top: var(--space-16);
}

.escala-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.escala-cor {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.referencias-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.referencia-item {
  padding: var(--space-16);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border-left: 3px solid var(--color-primary);
}

.modal-help-footer {
  padding: var(--space-20);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  justify-content: center;
}

/* Manual Modal */
.modal-manual {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
}

.modal-manual.active {
  display: block;
}

.modal-manual-container {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 300px 1fr;
  background: var(--color-background);
}

.manual-sidebar {
  background: var(--color-surface);
  overflow-y: auto;
  padding: var(--space-20);
  border-right: 1px solid var(--color-border);
}

.manual-search {
  margin-bottom: var(--space-20);
}

.manual-search input {
  width: 100%;
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.manual-search input:focus {
  outline: var(--focus-outline);
  border-color: var(--color-primary);
}

.manual-secao {
  margin-bottom: var(--space-16);
}

.manual-secao-btn {
  width: 100%;
  padding: var(--space-12);
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  margin-bottom: var(--space-10);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-align: left;
  transition: all var(--duration-fast) var(--ease-standard);
}

.manual-secao-btn:hover {
  background: var(--color-primary-hover);
}

.manual-items {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.manual-items.active {
  display: flex;
}

.manual-item {
  padding: var(--space-10) var(--space-12);
  background: var(--color-background);
  border: none;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-standard);
  text-align: left;
  font-size: var(--font-size-sm);
}

.manual-item:hover {
  background: var(--color-secondary);
}

.manual-item.active {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  font-weight: var(--font-weight-semibold);
}

.manual-content {
  padding: var(--space-32);
  overflow-y: auto;
  position: relative;
}

.manual-content h2 {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-12);
  margin-bottom: var(--space-24);
}

.manual-content h3 {
  color: var(--color-primary);
  margin-top: var(--space-24);
  margin-bottom: var(--space-12);
  font-size: var(--font-size-xl);
}

.manual-content h4 {
  color: var(--color-text);
  margin-top: var(--space-16);
  margin-bottom: var(--space-10);
  font-size: var(--font-size-lg);
}

.manual-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-16) 0;
}

.manual-content table th {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-12);
  text-align: left;
}

.manual-content table td {
  padding: var(--space-10) var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.manual-links {
  list-style: none;
  padding: 0;
  margin: var(--space-16) 0;
}

.manual-links li {
  margin: var(--space-10) 0;
}

.manual-links a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.manual-links a:hover {
  text-decoration: underline;
  color: var(--color-primary-hover);
}

.formulas-container {
  padding: var(--space-16);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  margin: var(--space-16) 0;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.exemplos-box {
  padding: var(--space-16);
  background: var(--color-bg-1);
  border-radius: var(--radius-base);
  margin: var(--space-16) 0;
}

.propriedades-tabela {
  margin: var(--space-16) 0;
}

.tabela-interpretacao {
  margin: var(--space-16) 0;
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

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

  .result-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-manual-container {
    grid-template-columns: 1fr;
  }
  
  .manual-sidebar {
    display: none;
  }
}

.steel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  margin-bottom: var(--space-16);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.steel-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
  margin: var(--space-16) 0;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.checkbox-item:hover {
  border-color: var(--color-primary);
}

.expert-only {
  display: none;
}

.expert-mode .expert-only {
  display: block;
}

/* Admin Modal Styles */
.modal-admin {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-admin.active {
  display: flex;
}

.modal-admin-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-card-border);
}

.modal-admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-24);
  border-bottom: 1px solid var(--color-border);
}

.modal-admin-header h2 {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--font-size-3xl);
}

.modal-admin-body {
  flex: 1;
  padding: var(--space-24);
  overflow-y: auto;
}

.modal-admin-footer {
  padding: var(--space-20);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
}

.admin-section {
  background: var(--color-background);
  padding: var(--space-20);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-20);
  border: 1px solid var(--color-card-border);
}

.admin-section h3 {
  margin-bottom: var(--space-16);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.admin-note {
  padding: var(--space-12);
  background: var(--color-bg-2);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-16);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.admin-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-12);
}

.sidebar-item.hidden {
  display: none;
}

/* Theme toggle active state */
#theme-toggle.light {
  background: rgba(255, 255, 255, 0.4);
}

#expert-toggle.active {
  background: rgba(255, 255, 255, 0.4);
}

/* Tabs navigation styles */
.tabs-container {
  margin-bottom: var(--space-32);
}

.tabs-nav {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-20);
  flex-wrap: wrap;
}

.tab-btn {
  flex: 1;
  min-width: 150px;
  padding: var(--space-12) var(--space-20);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

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

.tab-btn.active {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .tabs-nav {
    flex-direction: column;
  }
  
  .tab-btn {
    min-width: 100%;
  }
}
/*
 Global Search Modal */
.search-result-item {
  padding: var(--space-16);
  margin-bottom: var(--space-12);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.search-result-item:hover {
  background: var(--color-secondary);
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.search-result-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

.search-result-item-icon {
  font-size: var(--font-size-2xl);
}

.search-result-item-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.search-result-item-category {
  display: inline-block;
  padding: var(--space-4) var(--space-12);
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-left: auto;
}

.search-result-item-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.search-result-item-path {
  margin-top: var(--space-8);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Highlight search terms */
.highlight {
  background: rgba(var(--color-teal-500-rgb), 0.3);
  padding: 2px 4px;
  border-radius: 3px;
  font-weight: var(--font-weight-semibold);
}

/* No results message */
.no-results {
  text-align: center;
  padding: var(--space-40);
  color: var(--color-text-secondary);
}

.no-results-icon {
  font-size: 48px;
  margin-bottom: var(--space-16);
  opacity: 0.5;
}


/* ========================================
   QUICK WINS - RESPONSIVIDADE BÁSICA
   ======================================== */

/* Prevent horizontal scroll */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Better touch targets for mobile */
@media (hover: none) and (pointer: coarse) {
  .btn,
  .btn-icon,
  .sidebar-item,
  .tab-btn,
  button {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Mobile optimizations */
@media (max-width: 767px) {
  /* Header adjustments */
  .header-content {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
  }
  
  .logo-section {
    width: 100%;
    text-align: center;
  }
  
  .subtitle {
    font-size: 11px;
  }
  
  .badge {
    font-size: 9px;
    padding: 2px 6px;
  }
  
  .header-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .btn-icon {
    font-size: 11px;
    padding: 6px 10px;
    flex: 0 1 auto;
  }
  
  /* Container adjustments */
  .container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  
  .sidebar-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .sidebar-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .sidebar-tab {
    flex-shrink: 0;
    font-size: 12px;
    padding: 10px 12px;
  }
  
  .sidebar-content {
    max-height: 300px;
    overflow-y: auto;
  }
  
  /* Main content adjustments */
  .main-content {
    padding: 16px;
  }
  
  /* Form adjustments */
  .form-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
  
  .form-control,
  .form-control select,
  .form-control input {
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  /* Button adjustments */
  .btn {
    width: 100%;
    padding: 12px;
  }
  
  /* Card adjustments */
  .card {
    padding: 16px;
    margin-bottom: 16px;
  }
  
  .card-title {
    font-size: 16px;
  }
  
  /* Tabs adjustments */
  .tabs-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .tabs-nav::-webkit-scrollbar {
    display: none;
  }
  
  .tab-btn {
    flex-shrink: 0;
    font-size: 12px;
    padding: 8px 12px;
  }
  
  /* Modal adjustments */
  .modal-content {
    width: 95%;
    max-width: 95%;
    margin: 10px;
    max-height: 90vh;
  }
  
  .modal-help-content {
    width: 95%;
    max-height: 85vh;
  }
  
  /* Table adjustments */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    font-size: 12px;
  }
  
  th, td {
    padding: 8px;
  }
  
  /* Section header adjustments */
  .section-title {
    font-size: 18px;
  }
  
  .section-description {
    font-size: 13px;
  }
  
  /* Result box adjustments */
  .result-box {
    padding: 16px;
  }
  
  /* Help button adjustments */
  .btn-help {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}

/* Tablet optimizations */
@media (min-width: 768px) and (max-width: 1024px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  .sidebar {
    width: 240px;
  }
  
  .btn-icon {
    font-size: 12px;
  }
}

/* Print styles */
@media print {
  .header,
  .sidebar,
  .footer,
  .btn-help,
  .btn-icon,
  button {
    display: none !important;
  }
  
  .main-content {
    width: 100%;
    padding: 0;
  }
  
  .card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  
  * {
    color: black !important;
    background: white !important;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn,
  .card,
  .form-control {
    border: 2px solid currentColor;
  }
}


/* (Removido) Estilos do botão flutuante de dados (.fab-data-admin) */