:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

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

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

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

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

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

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* 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 {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

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

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

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

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

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

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;
}

/* 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;
}

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

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

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

.file-link {
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard);
}

.file-link: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;
}

.btn--danger {
  background: var(--color-error);
  color: white;
}

.btn--danger:hover {
  background: rgba(var(--color-error-rgb), 0.8);
}

/* 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 */
.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,
.status--final {
  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,
.status--review,
.status--approval {
  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,
.status--draft {
  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));
}

.status--locked {
  background-color: rgba(var(--color-error-rgb), 0.1);
  color: var(--color-error);
  border: 1px solid rgba(var(--color-error-rgb), 0.3);
}

/* 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');
}

/* Login Screen Styles */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-background) 100%);
  padding: var(--space-20);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  border: 1px solid var(--color-card-border);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-24);
}

.login-header h1 {
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.login-header p {
  color: var(--color-text-secondary);
  margin: 0;
}

.login-form {
  margin-bottom: var(--space-24);
}

.demo-credentials {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
}

.demo-credentials h3 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-12);
  color: var(--color-text-secondary);
}



/* App Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-16) var(--space-24);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.header-left h1 {
  color: var(--color-primary);
  margin: 0;
  font-size: var(--font-size-xl);
}

.user-info {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-left: var(--space-16);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

/* Navigation */
.nav-tabs {
  display: flex;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  padding: 0 var(--space-24);
}

.nav-tab {
  background: none;
  border: none;
  padding: var(--space-12) var(--space-16);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  transition: all var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
}

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

.nav-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Tab Content */
.tab-content {
  flex: 1;
  padding: var(--space-24);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-24);
}

.tab-header h2 {
  margin: 0;
  color: var(--color-text);
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-20);
}

.dashboard-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.dashboard-card h3 {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
}

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

/* Experiments */
.experiment-filters {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-20);
}

.experiment-filters .form-control {
  flex: 1;
  max-width: 300px;
}

.experiments-list {
  display: grid;
  gap: var(--space-16);
}

.experiment-item {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  border: 1px solid var(--color-card-border);
  transition: box-shadow var(--duration-fast) var(--ease-standard);
}

.experiment-item:hover {
  box-shadow: var(--shadow-md);
}

.experiment-item.readonly {
  background: var(--color-secondary);
  border-color: var(--color-border);
}

.experiment-item.locked {
  background: rgba(var(--color-error-rgb), 0.05);
  border-color: rgba(var(--color-error-rgb), 0.2);
}

.experiment-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-12);
}

.experiment-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

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

.experiment-methods {
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.experiment-results {
  margin-bottom: var(--space-12);
  color: var(--color-text-secondary);
}

.experiment-actions {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  flex-wrap: wrap;
}

.project-info {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-secondary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  margin-right: var(--space-8);
}

.project-info.no-project {
  color: var(--color-text-muted);
  background: var(--color-background);
  border: 1px solid var(--color-border);
}

/* Inventory */
.inventory-filters {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-20);
}

.inventory-filters .form-control {
  flex: 1;
  max-width: 300px;
}

.inventory-list {
  display: grid;
  gap: var(--space-16);
}

.inventory-item {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  border: 1px solid var(--color-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.inventory-info h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
}

.inventory-meta {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.inventory-actions {
  display: flex;
  gap: var(--space-8);
}

/* Protocols */
.protocols-list {
  display: grid;
  gap: var(--space-16);
}

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

.protocol-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-12);
}

.protocol-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.protocol-author {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.protocol-content {
  white-space: pre-wrap;
  color: var(--color-text);
  background: var(--color-secondary);
  padding: var(--space-12);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-12);
}

.protocol-actions {
  display: flex;
  gap: var(--space-8);
}

/* Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-20);
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.stat-card canvas {
  max-width: 100%;
  height: 300px !important;
}

/* Feature Matrix */
.feature-matrix-container {
  display: grid;
  gap: var(--space-20);
}

.feature-matrix-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.feature-matrix-card h3 {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
}

.feature-matrix-grid {
  display: grid;
  grid-template-columns: 200px repeat(4, 1fr);
  gap: var(--space-8);
  align-items: center;
}

.feature-matrix-header {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  padding: var(--space-8);
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  text-align: center;
}

.feature-matrix-item {
  padding: var(--space-8);
  border-radius: var(--radius-sm);
  text-align: center;
}

.feature-matrix-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

/* Teams */
.teams-list {
  display: grid;
  gap: var(--space-16);
}

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

.team-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-12);
}

.team-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.team-info {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.team-actions {
  display: flex;
  gap: var(--space-8);
}

/* Users List */
.users-list {
  display: grid;
  gap: var(--space-16);
}

.user-item {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  border: 1px solid var(--color-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-semibold);
}

.user-details h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
}

.user-email {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.user-actions {
  display: flex;
  gap: var(--space-8);
}

/* Profile */
.profile-container {
  max-width: 600px;
  margin: 0 auto;
}

.profile-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.profile-card h3 {
  margin: 0 0 var(--space-24) 0;
  color: var(--color-text);
}

/* Signatures section */
.signatures-section {
  display: grid;
  gap: var(--space-20);
}

.signature-category {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  border: 1px solid var(--color-card-border);
}

.signature-category h3 {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
}

.signature-experiments {
  display: grid;
  gap: var(--space-12);
}

.signature-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-top: var(--space-16);
}

.signature-panel h4 {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
}

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

.signature-step {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12);
  border-radius: var(--radius-sm);
  background: var(--color-secondary);
}

.signature-step.completed {
  background: rgba(var(--color-success-rgb), 0.1);
}

.signature-step.current {
  background: rgba(var(--color-warning-rgb), 0.1);
}

.signature-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: white;
}

.signature-badge.completed {
  background: var(--color-success);
}

.signature-badge.current {
  background: var(--color-warning);
}

.signature-badge.pending {
  background: var(--color-info);
}

.signature-info {
  flex: 1;
}

.signature-role {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.signature-details {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Journal Club, Meetings, Events */
.journal-articles,
.meetings-list,
.cake-events {
  display: grid;
  gap: var(--space-16);
}

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

.journal-item h4,
.meeting-item h4,
.cake-item h4 {
    margin: 0 0 var(--space-8) 0;
    color: var(--color-text);
}

.journal-item p,
.meeting-item p,
.cake-item p {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.journal-actions,
.meeting-actions,
.cake-actions {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-12);
}

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

.modal-content {
    background-color: var(--color-surface);
    margin: auto;
    padding: var(--space-24);
    border: 1px solid var(--color-border);
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.modal-content--large {
    max-width: 900px;
}

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

.modal-header h3 {
    margin: 0;
    color: var(--color-text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-8);
    margin-top: var(--space-24);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-16);
}

/* Quill Editor Styles */
.editor-container {
    height: 200px;
    background-color: var(--color-surface);
    color: var(--color-text);
}

.ql-toolbar {
    background-color: var(--color-secondary);
    border-top-left-radius: var(--radius-base);
    border-top-right-radius: var(--radius-base);
    border-bottom: 1px solid var(--color-border) !important;
}

.ql-container {
    border-bottom-left-radius: var(--radius-base);
    border-bottom-right-radius: var(--radius-base);
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-20);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-standard);
}

.file-upload-area.drag-over {
    border-color: var(--color-primary);
}

.file-upload-prompt .file-upload-icon {
    font-size: 32px;
    color: var(--color-text-secondary);
}

.file-upload-prompt p {
    margin: var(--space-8) 0 0 0;
    color: var(--color-text-secondary);
}

.file-upload-prompt .file-upload-link {
    color: var(--color-primary);
    text-decoration: underline;
}

.file-upload-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.file-list, .file-display {
    margin-top: var(--space-16);
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8);
    background: var(--color-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-8);
}

.file-info {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.file-icon {
    font-size: 20px;
}

.file-name {
    font-weight: var(--font-weight-medium);
}

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

.file-remove {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--color-text-secondary);
}

/* Experiment Detail Modal */
.experiment-detail .detail-section {
    margin-bottom: var(--space-20);
}

.experiment-detail h4 {
    margin-bottom: var(--space-8);
    color: var(--color-primary);
}

.experiment-detail p {
    margin-bottom: var(--space-4);
}

/* Location Management */
.location-add-new {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.locations-list {
    display: grid;
    gap: var(--space-8);
}

.location-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8);
    background: var(--color-secondary);
    border-radius: var(--radius-sm);
}
.experiments-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.experiment-item {
    background-color: var(--color-surface);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.experiment-item:hover {
    transform: translateY(-5px);
}

.experiment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.experiment-title {
    font-size: 1.2em;
    margin: 0;
}

.experiment-date {
    font-size: 0.9em;
    color: var(--text-color-secondary);
}

.experiment-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
}/* Setti
ngs Styles */
.settings-content {
  max-width: 800px;
  margin: 0 auto;
}

.settings-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
  box-shadow: var(--shadow-sm);
}

.settings-card h3 {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.settings-card .form-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
}/*
 Profile Help Text */
.form-help-text {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-bottom: var(--space-24);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.form-help-text p {
  margin: 0 0 var(--space-8) 0;
}

.form-help-text p:last-child {
  margin-bottom: 0;
}

.form-help-text strong {
  color: var(--color-text);
}/* R
eports Section Styles */
.reports-filters {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
  flex-wrap: wrap;
}

.reports-filters .form-control {
  flex: 1;
  min-width: 200px;
}

.reports-list {
  margin-top: var(--space-16);
}

.report-meta {
  margin-bottom: var(--space-12);
}

.report-meta p {
  margin: var(--space-4) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.report-meta strong {
  color: var(--color-text);
}

/* Print styles for reports */
@media print {
  .reports-filters,
  .tab-header,
  .nav-tabs,
  .app-header,
  .experiment-actions {
    display: none !important;
  }
  
  .reports-list {
    margin-top: 0;
  }
  
  .experiment-item {
    break-inside: avoid;
    margin-bottom: var(--space-16);
    border: 1px solid #ddd;
    padding: var(--space-12);
  }
}/* En
hanced Statistics Styles */
.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

.stat-item {
  text-align: center;
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-ranking {
  max-height: 400px;
  overflow-y: auto;
}

.ranking-item {
  display: flex;
  align-items: center;
  padding: var(--space-12);
  margin-bottom: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.ranking-item:first-child {
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  border-color: #ffd700;
}

.ranking-item:nth-child(2) {
  background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
  border-color: #c0c0c0;
}

.ranking-item:nth-child(3) {
  background: linear-gradient(135deg, #cd7f32, #daa520);
  border-color: #cd7f32;
}

.rank {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-right: var(--space-12);
  min-width: 30px;
}

.user-info {
  flex: 1;
}

.user-info strong {
  display: block;
  color: var(--color-text);
}

.user-info small {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

.user-activity-list {
  max-height: 400px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-12);
  margin-bottom: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.activity-item.most-active {
  background: linear-gradient(135deg, #e8f5e8, #f0f8f0);
  border-color: #27ae60;
  border-left: 4px solid #27ae60;
}

.activity-item.least-active {
  background: linear-gradient(135deg, #fdf2f2, #fef5f5);
  border-color: #e74c3c;
  border-left: 4px solid #e74c3c;
}

.activity-breakdown {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.activity-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.total-activity {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

/* Print styles for statistics */
@media print {
  .stats-grid {
    display: block !important;
  }
  
  .stat-card {
    break-inside: avoid;
    margin-bottom: var(--space-16);
    border: 1px solid #ddd;
    padding: var(--space-12);
  }
  
  .stats-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
  
  .user-ranking,
  .user-activity-list {
    max-height: none;
    overflow: visible;
  }
  
  canvas {
    display: none !important;
  }
}/* Expe
riment Sharing Styles */
.sharing-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-8);
    background: var(--background-color);
}

.sharing-item {
    display: flex;
    align-items: center;
    padding: var(--space-8);
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
}

.sharing-item:last-child {
    border-bottom: none;
}

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

.sharing-checkbox {
    margin-right: var(--space-12);
    cursor: pointer;
}

.sharing-user-info {
    flex: 1;
}

.sharing-user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.sharing-user-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-2);
}

.form-help {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-12);
    font-style: italic;
}

.sharing-summary {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-8);
    padding: var(--space-8);
    background: var(--background-light);
    border-radius: var(--border-radius);
}/*
 Experiment Sharing Indicators */
.experiment-meta {
    margin: var(--space-8) 0;
}

.sharing-indicator {
    display: inline-block;
    font-size: 0.875rem;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius);
    background: var(--background-light);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.sharing-indicator.private {
    background: #fff3cd;
    color: #856404;
    border-color: #ffeaa7;
}

.sharing-indicator.shared {
    background: #d1ecf1;
    color: #0c5460;
    border-color: #bee5eb;
}

.shared-experiment {
    border-left: 3px solid var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.02);
}

.shared-experiment .experiment-title {
    color: var(--primary-color);
}

/* ===== PROJECTS STYLES ===== */

/* Projects List */
.projects-list {
    display: grid;
    gap: var(--space-16);
    margin-top: var(--space-16);
}

.project-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-16);
    transition: all 0.2s ease;
    position: relative;
}

.project-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-12);
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
    flex: 1;
    margin-right: var(--space-16);
}

.project-actions {
    display: flex;
    gap: var(--space-8);
    flex-shrink: 0;
}

.project-meta {
    display: flex;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.project-owner,
.project-date,
.project-final-date {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.project-description-preview {
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-12);
    font-size: var(--font-size-sm);
}

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

.project-files,
.project-shared {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.project-shared-badge {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-2) var(--space-8);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

/* Project Modal */
.project-modal .modal-content {
    max-width: 800px;
}

/* Project File Upload */
.project-file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-24);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--color-surface-secondary);
    margin-bottom: var(--space-16);
}

.project-file-upload:hover,
.project-file-upload.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.project-file-upload-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.project-file-upload-text strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* Project File List */
.project-file-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    background: var(--color-surface);
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-12);
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
}

.file-item:last-child {
    border-bottom: none;
}

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

.file-item.uploading {
    background: var(--color-warning-light);
    opacity: 0.7;
}

.file-item.uploaded {
    background: var(--color-success-light);
}

.file-item.error {
    background: var(--color-danger-light);
}

.file-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    flex: 1;
    margin-right: var(--space-12);
}

.file-size {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-right: var(--space-12);
}

.file-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-right: var(--space-12);
}

.file-remove {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: all 0.2s ease;
}

.file-remove:hover {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
}

/* Project Detail Modal */
.project-detail {
    max-height: 70vh;
    overflow-y: auto;
}

.project-detail .project-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-16);
    margin-bottom: var(--space-16);
}

.project-detail .project-header h2 {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
}

.project-detail .project-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin: 0;
}

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

.meta-item strong {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

.project-description {
    margin-bottom: var(--space-24);
}

.project-description h4 {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}

.description-content {
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.project-files {
    margin-bottom: var(--space-24);
}

.project-files h4 {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}

.project-files .file-list {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    overflow: hidden;
}

.project-files .file-item {
    padding: var(--space-12);
}

.file-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.file-link:hover {
    color: var(--color-primary);
}

.project-sharing-info {
    margin-bottom: var(--space-24);
}

.project-sharing-info h4 {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}

.shared-users {
    display: grid;
    gap: var(--space-8);
}

.shared-user {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8);
    background: var(--color-surface-secondary);
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
}

.user-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Project Sharing in Modal */
.project-sharing-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    background: var(--color-surface);
}

.project-sharing-list .sharing-item {
    display: flex;
    align-items: center;
    padding: var(--space-12);
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
}

.project-sharing-list .sharing-item:last-child {
    border-bottom: none;
}

.project-sharing-list .sharing-item:hover {
    background: var(--color-surface-secondary);
}

.project-sharing-checkbox {
    margin-right: var(--space-12);
    cursor: pointer;
}

.sharing-user-info {
    flex: 1;
    cursor: pointer;
}

.sharing-user-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.sharing-user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-48) var(--space-24);
    color: var(--color-text-secondary);
}

.empty-state p {
    font-size: var(--font-size-lg);
    margin: 0;
}

/* Purchase Request Submission Only Message */
.submission-only-message {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-24);
    margin: var(--space-16) 0;
    text-align: center;
}

.submission-only-message .message-content h3 {
    color: var(--color-text);
    margin-bottom: var(--space-12);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.submission-only-message .message-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.5;
    font-size: var(--font-size-base);
}

.submission-only-message .message-actions {
    margin-top: var(--space-16);
}

.submission-only-message .btn {
    padding: var(--space-12) var(--space-20);
    font-size: var(--font-size-base);
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .project-header {
        flex-direction: column;
        gap: var(--space-12);
    }
    
    .project-actions {
        align-self: stretch;
        justify-content: flex-end;
    }
    
    .project-meta {
        flex-direction: column;
        gap: var(--space-8);
    }
    
    .project-stats {
        flex-direction: column;
        gap: var(--space-8);
    }
    
    .project-detail .project-meta {
        grid-template-columns: 1fr;
    }
    
    .submission-only-message {
        padding: var(--space-16);
        margin: var(--space-12) 0;
    }
    
    .submission-only-message .message-content h3 {
        font-size: var(--font-size-lg);
    }
    
    .submission-only-message .btn {
        padding: var(--space-10) var(--space-16);
        font-size: var(--font-size-sm);
    }
}