: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 */
@media (prefers-color-scheme: dark) {
  :root {
    /* 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);
  }
}

/* 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);
}

/* 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');
}

/* 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);

  --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;

  --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-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);

  --font-family-base: 'FKGroteskNeue', 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;

  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;

  --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);

  --duration-fast: 150ms;
  --duration-normal: 250ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-border: rgba(119, 124, 124, 0.3);
  }
}

/* Manual theme override with data-theme attribute */
[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-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
}

[data-theme="dark"] {
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(119, 124, 124, 0.2);
  --color-border: rgba(119, 124, 124, 0.3);
}

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

body {
  font-family: var(--font-family-base);
  background-color: var(--color-background);
  color: var(--color-text);
  overflow: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Top Bar */
.top-bar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-card-border);
  padding: var(--space-12) var(--space-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-24);
}

.logout-btn {
  background: rgba(255, 84, 89, 0.15);
  border: 1px solid rgba(255, 84, 89, 0.3);
  border-radius: var(--radius-base);
  padding: 8px 16px;
  cursor: pointer;
  font-size: var(--font-size-base);
  color: var(--color-red-400);
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-sm);
  font-weight: var(--font-weight-semibold);
}

.logout-btn:hover {
  background: rgba(255, 84, 89, 0.25);
  border-color: rgba(255, 84, 89, 0.5);
}

.logout-btn:active {
  background: rgba(255, 84, 89, 0.35);
}

.app-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  cursor: pointer;
  transition: opacity 0.2s;
}

.app-title:hover {
  opacity: 0.8;
}

.app-title:active {
  opacity: 0.6;
}

.current-task {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
  background: var(--color-secondary-hover);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.theme-toggle:active {
  background: var(--color-secondary-active);
  transform: scale(0.95);
}

/* Timer Display */
.timer-display {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  position: relative;
}

.timer-display .timer-circle {
  cursor: default;
}

.timer-display.task-mode .timer-circle {
  cursor: pointer;
}

.timer-display.task-mode .timer-circle {
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(var(--color-teal-500-rgb), 0.2);
}

@media (prefers-color-scheme: dark) {
  .timer-display.task-mode .timer-circle {
    box-shadow: 0 0 0 4px rgba(var(--color-teal-300-rgb), 0.2);
  }
}

.timer-circle {
  position: relative;
  width: 60px;
  height: 60px;
}

.timer-circle svg {
  transform: rotate(-90deg);
}

.timer-circle-bg {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 4;
  display: none;
}

.timer-circle-progress {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 163.36;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

.timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.timer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 150px;
}

.timer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: var(--space-12);
}

.timer-controls.hidden {
  display: none;
}

.timer-control-btn {
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  white-space: nowrap;
}

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

.timer-control-btn.pause:hover {
  background: var(--color-secondary-hover);
}

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

.timer-control-btn.stop:hover {
  background: var(--color-secondary-hover);
}

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

.timer-control-btn.finish:hover {
  background: var(--color-primary-hover);
}

.timer-control-btn:active {
  transform: scale(0.95);
}

.timer-phase {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.timer-rounds {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.timer-round-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-primary);
}

.timer-round-dot.completed {
  background-color: var(--color-primary);
}

/* Timer Customization Panel */
.timer-panel {
  position: fixed;
  top: 90px;
  right: 20px;
  width: 360px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: slideInRight 0.3s ease;
}

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

.timer-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-16) var(--space-20);
  border-bottom: 1px solid var(--color-card-border);
}

.timer-panel-header h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin: 0;
}

.timer-panel-close {
  background: transparent;
  border: none;
  font-size: var(--font-size-3xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-base);
  transition: all var(--duration-fast);
}

.timer-panel-close:hover {
  background-color: var(--color-secondary);
  color: var(--color-text);
}

.timer-panel-body {
  padding: var(--space-20);
}

.timer-panel-actions {
  margin-top: var(--space-20);
}

.focus-stats {
  display: flex;
  gap: var(--space-16);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.stat-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* Main Container */
.main-container {
  display: flex;
  height: calc(100vh - 80px);
  position: relative;
}

/* Hamburger Button - Inside sidebar header */
.hamburger-btn {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-base);
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-md);
  line-height: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Floating Hamburger Button - Shows when sidebar is collapsed */
.hamburger-btn-floating {
  position: fixed;
  top: 95px;
  left: 20px;
  z-index: 1001;
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-base);
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-md);
  line-height: 1;
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
}

.hamburger-btn-floating:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-lg);
}

.hamburger-btn-floating:active {
  background-color: var(--color-primary-active);
}

/* Show floating button when sidebar is collapsed */
.sidebar.collapsed ~ .content-area ~ .hamburger-btn-floating,
.main-container:has(.sidebar.collapsed) .hamburger-btn-floating {
  display: flex;
}

.hamburger-btn:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-lg);
}

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

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 80px;
  width: 200px;
  height: calc(100vh - 80px);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-card-border);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transition: transform 0.3s ease, background-color 0.4s ease, border-color 0.4s ease;
  z-index: 100;
  box-shadow: var(--shadow-md);
  overflow-y: auto;
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

/* Sidebar Header - Contains hamburger menu */
.sidebar-header {
  padding: var(--space-20);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-card-border);
  background-color: var(--color-bg-1);
  min-height: 60px;
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-16) var(--space-12);
  margin: 0 var(--space-16);
  background: transparent;
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: background-color var(--duration-fast);
  color: var(--color-text);
  font-size: var(--font-size-base);
  text-align: center;
}

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

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

.nav-icon {
  font-size: var(--font-size-3xl);
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* Content Area */
.content-area {
  flex: 1;
  margin-left: 200px;
  overflow-y: auto;
  padding: var(--space-24);
  transition: margin-left 0.3s ease;
}

.content-area.expanded {
  margin-left: 0;
  padding-left: 70px;
}

.module {
  display: none;
}

.module.active {
  display: block;
}

.module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
  flex-wrap: wrap;
  gap: var(--space-16);
}

.module-header h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-text);
}

/* 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: var(--font-weight-medium);
  cursor: pointer;
  border: none;
  transition: all var(--duration-fast);
}

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

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

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

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

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
}

/* Form Controls */
.form-control {
  padding: var(--space-8) var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.form-control:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}



.slider-group {
  margin-bottom: var(--space-32);
}

.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-12);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

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

.custom-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: all var(--duration-fast);
  box-shadow: var(--shadow-sm);
}

.custom-slider::-webkit-slider-thumb:hover {
  background: var(--color-primary-hover);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.custom-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  transition: all var(--duration-fast);
  box-shadow: var(--shadow-sm);
}

.custom-slider::-moz-range-thumb:hover {
  background: var(--color-primary-hover);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}



/* Browser Module */
/* Browser Interface */
.browser-interface {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 280px);
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.browser-nav-bar {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-12);
  background-color: var(--color-bg-1);
  border-bottom: 1px solid var(--color-card-border);
}

.browser-brand {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-12);
  background-color: var(--color-surface);
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-semibold);
  margin-right: var(--space-8);
  color: var(--color-primary);
}

#browserBrandIcon {
  font-size: var(--font-size-xl);
}

.browser-nav-btn {
  padding: var(--space-8) var(--space-12);
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: background-color var(--duration-fast);
  color: var(--color-text);
}

.browser-nav-btn:hover {
  background-color: var(--color-secondary-hover);
}

.browser-address-bar {
  flex: 1;
  padding: var(--space-8) var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.browser-address-bar:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Tab Bar */
.browser-tab-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-12);
  background-color: var(--color-bg-2);
  border-bottom: 1px solid var(--color-card-border);
  overflow-x: auto;
}

.browser-tab {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-16);
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base) var(--radius-base) 0 0;
  cursor: pointer;
  min-width: 150px;
  max-width: 200px;
  transition: all var(--duration-fast);
}

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

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

.browser-tab-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: var(--font-size-sm);
}

.browser-tab-close {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-lg);
  color: inherit;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-fast);
}

.browser-tab-close:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.browser-tab.active .browser-tab-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.browser-tab-new {
  padding: var(--space-8) var(--space-12);
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  transition: background-color var(--duration-fast);
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Browser Content Area */
.browser-content-area {
  flex: 1;
  background-color: var(--color-white);
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-16);
}

.browser-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-secondary);
}

.browser-loading-spinner {
  font-size: 48px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.browser-content {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--color-white);
  padding: var(--space-24);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-sm);
  color: var(--color-slate-900);
  line-height: 1.6;
}

.browser-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.browser-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.browser-content a:hover {
  color: var(--color-primary-hover);
}

.browser-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--space-32);
  text-align: center;
}

.browser-error-icon {
  font-size: 64px;
  margin-bottom: var(--space-16);
}

@media (prefers-color-scheme: dark) {
  .browser-content-area {
    background-color: var(--color-charcoal-800);
  }
  
  .browser-content {
    background-color: var(--color-charcoal-700);
    color: var(--color-gray-200);
  }
}

/* Notes Module */
.notes-controls {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.notes-layout {
  display: flex;
  gap: var(--space-24);
  height: calc(100vh - 200px);
}

.notes-sidebar {
  width: 250px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  overflow-y: auto;
}

.notes-sidebar h3 {
  margin-bottom: var(--space-12);
  font-size: var(--font-size-lg);
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.note-item {
  padding: var(--space-12);
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: background-color var(--duration-fast);
}

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

.note-item:hover .note-delete-btn {
  opacity: 1 !important;
}

.note-delete-btn:hover {
  background-color: var(--color-secondary-hover) !important;
  color: var(--color-text) !important;
  border-color: var(--color-primary) !important;
}

.note-item-title {
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.note-item-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.notes-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.note-title-input {
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.editor-toolbar {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-8);
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
}

.toolbar-btn {
  padding: var(--space-4) var(--space-8);
  background: var(--color-secondary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

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

.note-textarea {
  flex: 1;
  padding: var(--space-16);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--color-surface);
  color: var(--color-text);
  resize: none;
}

.note-timestamp {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  font-style: italic;
}

/* Rich Text Editor */
.rich-text-editor {
  flex: 1;
  min-height: 400px;
  padding: var(--space-16);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  font-size: 16px;
  font-family: var(--font-family-base);
  background-color: var(--color-white);
  color: var(--color-slate-900);
  overflow-y: auto;
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  .rich-text-editor {
    background-color: var(--color-charcoal-800);
    color: var(--color-gray-200);
  }
}

.rich-text-editor:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.rich-text-editor[placeholder]:empty:before {
  content: attr(placeholder);
  color: var(--color-text-secondary);
  opacity: 0.6;
  cursor: text;
}

.rich-text-editor h1 {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-16);
  margin-top: var(--space-8);
}

.rich-text-editor h2 {
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-12);
  margin-top: var(--space-8);
}

.rich-text-editor p {
  margin-bottom: var(--space-12);
}

.rich-text-editor ul,
.rich-text-editor ol {
  margin-left: var(--space-24);
  margin-bottom: var(--space-12);
}

.rich-text-editor li {
  margin-bottom: var(--space-4);
}

.rich-text-editor strong,
.rich-text-editor b {
  font-weight: var(--font-weight-bold);
}

.rich-text-editor em,
.rich-text-editor i {
  font-style: italic;
}

.rich-text-editor u {
  text-decoration: underline;
}

.rich-text-editor a {
  color: #0066cc;
  text-decoration: underline;
  cursor: pointer;
}

.rich-text-editor a:hover {
  color: #0052a3;
}

/* Resizable diagram wrapper */
.diagram-wrapper {
  display: inline-block;
  position: relative;
  margin: 8px 0;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}

.diagram-wrapper:hover {
  border-color: var(--color-primary);
}

.diagram-wrapper.selected {
  border-color: var(--color-primary);
}

.diagram-wrapper img {
  display: block;
  max-width: 100%;
  height: auto;
  cursor: move;
}

/* Resize handle */
.resize-handle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  cursor: nwse-resize;
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: 2px 0 2px 0;
}

.diagram-wrapper:hover .resize-handle,
.diagram-wrapper.selected .resize-handle {
  opacity: 1;
}

.resize-handle::after {
  content: '⋰';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-btn-primary-text);
  font-size: 12px;
  line-height: 1;
}

/* Export Controls */
.export-controls {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-card-border);
}

.export-controls .btn {
  flex: 1;
}

/* Toolbar button active state */
.toolbar-btn.active {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

/* Task Module */
.tasks-controls {
  display: flex;
  gap: var(--space-8);
}

.task-stats {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

.stat-card {
  flex: 1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

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

.task-form h3 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
}

.task-form .form-control {
  width: 100%;
  margin-bottom: var(--space-12);
}

.form-actions {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-16);
}

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

.task-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: grab;
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-sm);
}

.task-item.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.task-item.drag-over {
  border-top: 3px solid var(--color-primary);
}

.task-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-primary-hover);
}



.task-item.completed {
  background-color: rgba(0, 170, 0, 0.15);
  border-left-color: #00aa00;
  cursor: grab;
}

.task-item.completed:hover {
  background-color: rgba(0, 170, 0, 0.2);
  border-left-color: #00cc00;
}

.task-info {
  flex: 1;
  pointer-events: none;
}

.task-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.task-title.completed {
  text-decoration: line-through;
  color: #00aa00;
  font-weight: var(--font-weight-semibold);
}

@media (prefers-color-scheme: dark) {
  .task-title.completed {
    color: #00dd00;
  }
}

.task-meta {
  display: flex;
  gap: var(--space-16);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.task-actions {
  display: flex;
  gap: var(--space-8);
  pointer-events: auto;
}

.task-status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-bg-1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.task-status-badge.completed {
  background-color: rgba(0, 170, 0, 0.2);
  color: #00aa00;
  border-color: #00aa00;
}

@media (prefers-color-scheme: dark) {
  .task-status-badge.completed {
    background-color: rgba(0, 221, 0, 0.2);
    color: #00dd00;
    border-color: #00dd00;
  }
}

.task-time-display {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.task-time-bar {
  width: 100%;
  height: 6px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-12);
}

.task-time-progress {
  height: 100%;
  background-color: var(--color-primary);
  transition: width var(--duration-normal);
}

/* Whiteboard Module */
.whiteboard-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 280px);
  gap: var(--space-16);
}

.whiteboard-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.whiteboard-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding: var(--space-12);
  background-color: var(--color-bg-1);
  border-bottom: 1px solid var(--color-card-border);
  align-items: center;
}

.tool-group {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.tool-divider {
  width: 1px;
  height: 32px;
  background-color: var(--color-border);
  margin: 0 var(--space-8);
}

.tool-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  font-size: 20px;
  transition: all var(--duration-fast);
  padding: 0;
}

.tool-btn:hover {
  background-color: var(--color-secondary-hover);
  transform: scale(1.05);
}

.tool-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-teal-500-rgb), 0.2);
}

.color-btn {
  width: 32px;
  height: 32px;
  border: 3px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
  position: relative;
}

.color-btn:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-md);
}

.color-btn.active {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-primary);
  transform: scale(1.1);
}

.color-btn.active::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 16px;
  font-weight: bold;
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
}

.whiteboard-canvas-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  background-color: var(--color-background);
  overflow: auto;
}

#whiteboard {
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-base);
  background-color: var(--color-white);
  cursor: crosshair;
  box-shadow: var(--shadow-lg);
  max-width: 100%;
  max-height: 100%;
}

.diagram-gallery {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  max-height: 280px;
  overflow-y: auto;
}

.diagram-gallery h3 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-12);
}

.gallery-item {
  position: relative;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-fast);
  background-color: var(--color-background);
}

.gallery-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.gallery-item img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  display: block;
  background-color: var(--color-white);
}

.gallery-item-actions {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  gap: var(--space-4);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.gallery-item:hover .gallery-item-actions {
  opacity: 1;
}

.gallery-item-actions button {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-8);
  cursor: pointer;
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-fast);
}

.gallery-item-actions button:hover {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
}

/* Music Module */
.featured-stream {
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-32);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.stream-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.stream-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.music-layout {
  display: flex;
  gap: var(--space-24);
  height: calc(100vh - 200px);
}

.playlist-section {
  width: 300px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  overflow-y: auto;
}

.playlist-section h3 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
}

.playlist-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12);
  background-color: var(--color-bg-3);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-normal);
}

.playlist-item:hover {
  background-color: var(--color-secondary-hover);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.playlist-icon {
  font-size: var(--font-size-3xl);
}

.playlist-name {
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.playlist-type {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.player-section {
  flex: 1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

#musicPlayerContainer {
  width: 100%;
  max-width: 800px;
}

#musicPlayerFrame {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.player-placeholder {
  text-align: center;
  color: var(--color-text-secondary);
}

#musicPlayPauseBtn {
  transition: all var(--duration-normal);
  box-shadow: var(--shadow-md);
}

#musicPlayPauseBtn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

#musicPlayPauseBtn:active {
  transform: translateY(0);
}

.player-placeholder h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.player-placeholder p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-content h2 {
  margin-bottom: var(--space-16);
  font-size: var(--font-size-2xl);
}

.modal-content p {
  margin-bottom: var(--space-16);
  color: var(--color-text-secondary);
}

.modal-content ul {
  margin-bottom: var(--space-16);
  padding-left: var(--space-24);
}

.modal-content li {
  margin-bottom: var(--space-8);
}

.warning {
  color: var(--color-orange-500);
  font-weight: var(--font-weight-medium);
}

.workspace-active .content-area {
  margin-left: 200px;
}

#dashboardSidebar .sidebar-header {
  background-color: var(--color-bg-2);
}

#workspaceSidebar .sidebar-header {
  background-color: var(--color-bg-1);
}

#workspaceSidebar {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 80px);
}

/* Goal Progress Bar Completed State */
#goalProgressBar.completed {
  background: linear-gradient(to top, #00aa00, #00dd00) !important;
}

@media (prefers-color-scheme: dark) {
  #goalProgressBar.completed {
    background: linear-gradient(to top, #00dd00, #00ff00) !important;
  }
}

/* Preset Time Buttons Active State */
.btn.time-preset-active {
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
}

/* AI Assistant Module */
.ai-chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: calc(100vh - 250px);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.ai-message-welcome {
  text-align: center;
  padding: var(--space-32) var(--space-24);
}

.ai-message-welcome h3 {
  margin: 0 0 var(--space-12) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
}

.ai-message-welcome p {
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-24) 0;
  line-height: 1.6;
}

.example-questions {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 400px;
  margin: 0 auto;
}

.example-btn {
  background-color: var(--color-bg-1);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: var(--space-12) var(--space-16);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.example-btn:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

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

/* Chat Messages */
.ai-message-group {
  display: flex;
  margin: 0;
  animation: slideIn 0.3s ease;
}

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

.ai-message-group.user {
  justify-content: flex-end;
}

.ai-message-group.assistant {
  justify-content: flex-start;
}

.ai-message-bubble {
  max-width: 70%;
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-lg);
  word-wrap: break-word;
  line-height: 1.5;
  font-size: var(--font-size-sm);
}

.ai-message-group.user .ai-message-bubble {
  background-color: var(--color-primary);
  color: white;
  border-bottom-right-radius: var(--radius-sm);
}

.ai-message-group.assistant .ai-message-bubble {
  background-color: var(--color-bg-2);
  color: var(--color-text);
  border-bottom-left-radius: var(--radius-sm);
}

.ai-message-bubble code {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.ai-message-bubble strong {
  font-weight: 600;
}

.ai-message-bubble ul,
.ai-message-bubble ol {
  margin: var(--space-8) 0;
  padding-left: var(--space-20);
}

.ai-message-bubble li {
  margin: var(--space-4) 0;
}

.ai-loading-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: var(--space-12) var(--space-16);
  background-color: var(--color-bg-2);
  border-radius: var(--radius-lg);
  width: fit-content;
}

.ai-loading-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: bounce 1.4s infinite;
}

.ai-loading-dot:nth-child(1) {
  animation-delay: 0s;
}

.ai-loading-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.ai-loading-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 80%, 100% {
    opacity: 0.4;
  }
  40% {
    opacity: 1;
  }
}

.ai-chat-input-area {
  padding: var(--space-16);
  border-top: 1px solid var(--color-card-border);
  background-color: var(--color-surface);
}

.ai-chat-input {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-sm);
  transition: border-color 0.2s ease;
}

.ai-chat-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(33, 128, 141, 0.1);
}

.ai-chat-status {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: var(--space-8);
  min-height: 14px;
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2') format('woff2');
}