: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: 16px; /* iOS Safari requires 16px+ to prevent zoom */
  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);
  -webkit-text-size-adjust: 100%; /* Prevent iOS text size adjustment */
}

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-label.required {
  font-weight: var(--font-weight-bold);
}

.form-label.required::after {
  content: " *";
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

.form-help-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
  font-style: italic;
}

.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 */
/* Application-specific styles */

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
}

/* PWA Safe Area Support */
@supports (padding: max(0px)) {
    body {
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
        background-color: var(--color-background);
    }
    
    /* Zajistit, že pozadí pokrývá celou obrazovku včetně safe areas */
    html {
        background-color: var(--color-background);
    }
}

.view {
    min-height: 100vh;
    padding-top: 100px;
    background-color: var(--color-background);
}

/* Úprava pro PWA s safe areas */
@supports (padding: max(0px)) {
    .view {
        padding-top: calc(100px + max(0px, env(safe-area-inset-top)));
    }
}

/* Další zajištění pro PWA - pozadí pro celou aplikaci */
.app-container,
#app {
    background-color: var(--color-background);
    min-height: 100vh;
}

.view.hidden {
    display: none;
}

#login-view {
    padding-top: 0;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

/* PWA Safe Area Support pro navigation */
@supports (padding: max(0px)) {
    .nav {
        padding-top: max(0px, env(safe-area-inset-top));
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
        background-color: var(--color-surface);
    }
}

.nav.hidden {
    display: none;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-12) var(--space-16);
    max-width: var(--container-xl);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.nav-icon {
    height: 32px;
    width: 32px;
    object-fit: contain;
}

.nav-title {
    font-size: var(--font-size-lg);
}

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

.nav-btn {
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-sm);
  height: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#theme-toggle-btn {
  transition: all var(--duration-normal) var(--ease-standard);
}

#theme-toggle-btn:hover {
  background: var(--color-secondary-hover);
}

#theme-toggle-icon {
  font-size: var(--font-size-sm);
}/* Authentication */
.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-16);
    background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-8));
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-32);
}

.auth-icon {
    height: 80px;
    width: 80px;
    object-fit: contain;
    margin-bottom: var(--space-16);
}

.auth-header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-8);
    color: var(--color-text);
}

.auth-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin: 0;
}

.auth-forms {
    width: 100%;
    max-width: 400px;
}

.auth-form {
    background-color: var(--color-surface);
    padding: var(--space-32);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-card-border);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: var(--space-24);
    color: var(--color-text);
}

.auth-switch {
    text-align: center;
    margin-top: var(--space-16);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-switch a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Checkbox Styles */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: var(--space-8);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-background);
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark:after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

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

.terms-link {
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
}

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

/* Role Toggle Styles */
.role-toggle {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.role-radio {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.role-label {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-16);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-base);
    background-color: var(--color-background);
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    justify-content: center;
    font-weight: var(--font-weight-medium);
}

.role-label:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.role-radio:checked + .role-label {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.role-radio:checked + .role-label .role-icon {
    filter: brightness(0) invert(1);
}

.role-icon {
    font-size: var(--font-size-lg);
}

.role-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

/* Role Badge Styles */
.entry-role-badge {
    margin: var(--space-12) 0;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid;
}

.role-badge.crew {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border-color: var(--color-success);
}

.role-badge.skipper {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

/* Terms of Service Styles */
.terms-header {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    margin-bottom: var(--space-32);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid var(--color-border);
}

.terms-header h1 {
    margin: 0;
    font-size: var(--font-size-3xl);
    color: var(--color-text);
}

.terms-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.terms-section h2 {
    margin: 0 0 var(--space-16) 0;
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--space-8);
}

.terms-section h3 {
    margin: var(--space-20) 0 var(--space-12) 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.terms-section p {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.terms-section p:last-child {
    margin-bottom: 0;
}

.terms-section ul {
    margin: var(--space-12) 0;
    padding-left: var(--space-24);
    color: var(--color-text-secondary);
}

.terms-section li {
    margin: var(--space-8) 0;
    line-height: 1.5;
}

.terms-section li strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.terms-footer {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-16);
    margin-top: var(--space-24);
    background-color: var(--color-background);
    border-radius: var(--border-radius-md);
    padding: var(--space-20);
}

/* Terms Acceptance Styles */
.terms-acceptance-wrapper {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-32) var(--space-24);
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.terms-acceptance-header {
    text-align: center;
    margin-bottom: var(--space-32);
}

.terms-acceptance-header h1 {
    margin: 0 0 var(--space-16) 0;
    font-size: var(--font-size-2xl);
    color: var(--color-text);
}

.terms-acceptance-header p {
    margin: 0;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.terms-acceptance-content {
    text-align: center;
}

.terms-acceptance-actions {
    margin-top: var(--space-24);
}

/* OAuth Styles */
.divider {
    position: relative;
    margin: var(--space-20) 0;
    text-align: center;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-border);
    z-index: 1;
}

.divider span {
    position: relative;
    z-index: 2;
    background-color: var(--color-surface);
    padding: var(--space-4) var(--space-16);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    display: inline-block;
}

.google-signin-container {
    margin: var(--space-24) 0 var(--space-20) 0;
    display: flex;
    justify-content: center;
}

/* Override Google button styles to match our theme */
.google-signin-container iframe {
    border-radius: var(--radius-md) !important;
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-32);
    flex-wrap: wrap;
    gap: var(--space-16);
}

.dashboard-header h1 {
    font-size: var(--font-size-3xl);
    margin: 0;
}

.dashboard-stats {
    display: flex;
    gap: var(--space-24);
}

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

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
}

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

/* Entries Grid */
.entries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-24);
}

.entry-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-standard);
    cursor: pointer;
    overflow: hidden;
}

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

.entry-card-header {
    padding: var(--space-16);
    background: var(--color-bg-1);
    border-bottom: 1px solid var(--color-card-border-inner);
}

.entry-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-8) 0;
    color: var(--color-text);
}

.entry-card-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.entry-card-body {
    padding: var(--space-16);
}

.entry-card-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.entry-info-item {
    display: flex;
    flex-direction: column;
}

.entry-info-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.entry-info-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.entry-card-destination {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-32);
    grid-column: 1 / -1;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-16);
    opacity: 0.6;
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    color: var(--color-text);
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-24);
}

/* Entry Form */
.entry-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-32);
    gap: var(--space-16);
}

.entry-form-header h1 {
    font-size: var(--font-size-3xl);
    margin: 0;
}

.entry-form {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.form-section {
    padding: var(--space-24);
    border-bottom: 1px solid var(--color-card-border-inner);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--space-16) 0;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.form-section h4 {
    font-size: var(--font-size-md);
    margin: var(--space-16) 0 var(--space-12) 0;
    color: var(--color-text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.technical-details {
    margin-top: var(--space-16);
}

/* Photo Upload */
.photo-upload-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.photo-upload-btn {
    width: fit-content;
}

.photo-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-12);
}

.photo-preview-item {
    position: relative;
    background-color: var(--color-secondary);
    border-radius: var(--radius-base);
    overflow: hidden;
    aspect-ratio: 1;
}

.photo-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview-remove {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background-color: var(--color-error);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-size-sm);
}

/* Form Actions */
.form-actions {
    padding: var(--space-24);
    display: flex;
    gap: var(--space-16);
    justify-content: flex-end;
    background-color: var(--color-bg-1);
}

/* Entry Detail */
.entry-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-32);
    flex-wrap: wrap;
    gap: var(--space-16);
}

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

.delete-btn {
    color: var(--color-error);
    border-color: var(--color-error);
}

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

.entry-detail {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.entry-detail-section {
    padding: var(--space-24);
    border-bottom: 1px solid var(--color-card-border-inner);
}

.entry-detail-section:last-child {
    border-bottom: none;
}

.entry-detail-section h3 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--space-16) 0;
    color: var(--color-text);
}

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

.entry-detail-item {
    display: flex;
    flex-direction: column;
}

.entry-detail-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.entry-detail-value {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.4;
}

.entry-detail-value.multiline {
    white-space: pre-line;
}

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

.crew-member {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    padding: var(--space-4) var(--space-8);
    background-color: var(--color-bg-2);
    border-radius: var(--radius-sm);
    display: inline-block;
    width: fit-content;
}

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

.entry-photo {
    aspect-ratio: 4/3;
    border-radius: var(--radius-base);
    overflow: hidden;
    background-color: var(--color-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.entry-photo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.entry-photo:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.entry-photo:hover::before {
    opacity: 1;
}

.entry-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.entry-photo:hover img {
    transform: scale(1.05);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .view {
        padding-top: 60px;
    }
    
    .nav-container {
        padding: var(--space-8) var(--space-16);
    }
    
    .nav-title {
        display: none;
    }
    
    .nav-actions {
        gap: var(--space-4);
    }
    
    .nav-btn {
        padding: var(--space-4) var(--space-8);
        min-width: 36px;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .dashboard-stats {
        justify-content: center;
    }
    
    .entries-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .entry-form-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .entry-form-header h1 {
        font-size: var(--font-size-2xl);
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .entry-detail-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .entry-actions {
        justify-content: center;
    }
    
    .auth-container {
        padding: var(--space-16);
    }
    
    .auth-form {
        padding: var(--space-24);
    }
    
    .photo-preview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .entry-photos {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: var(--space-12);
        padding-right: var(--space-12);
    }
    
    .form-section {
        padding: var(--space-16);
    }
    
    .form-actions {
        padding: var(--space-16);
    }
    
    .entry-detail-section {
        padding: var(--space-16);
    }
    
    .auth-form {
        padding: var(--space-16);
        margin: var(--space-8);
    }
    
    .auth-header {
        margin-bottom: var(--space-24);
    }
    
    .auth-icon {
        height: 60px;
        width: 60px;
        margin-bottom: var(--space-12);
    }
}

/* Loading and transition states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

/* Print styles */
@media print {
    .nav, .entry-form-header, .entry-detail-header, .form-actions {
        display: none;
    }
    
    .view {
        padding-top: 0;
    }
    
    .entry-detail {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Form hint text */
.form-hint {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.3;
}

[data-color-scheme="dark"] .form-hint {
    color: rgba(var(--color-gray-300-rgb), 0.7);
}

@media (prefers-color-scheme: dark) {
    .form-hint {
        color: rgba(167, 169, 169, 0.7);
    }
}

/* Photo Gallery Overlay */
.photo-gallery-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.photo-gallery-overlay.hidden {
    display: none;
}

.photo-gallery-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

/* Close button */
.photo-gallery-close {
    position: absolute;
    top: max(20px, env(safe-area-inset-top, 20px));
    right: max(20px, env(safe-area-inset-right, 20px));
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
}

.photo-gallery-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Main content area */
.photo-gallery-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: max(60px, env(safe-area-inset-top, 60px)) max(20px, env(safe-area-inset-right, 20px)) 20px max(20px, env(safe-area-inset-left, 20px));
    position: relative;
}

/* Main image */
.photo-gallery-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-height: 100%;
    position: relative;
}

.photo-gallery-image {
    max-width: 90vw;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Counter */
.photo-gallery-counter {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

/* Navigation arrows */
.photo-gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
    z-index: 10000;
}

.photo-gallery-prev {
    left: 20px;
}

.photo-gallery-next {
    right: 20px;
}

.photo-gallery-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.photo-gallery-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.photo-gallery-nav:disabled:hover {
    transform: translateY(-50%) scale(1);
}

/* Thumbnails */
.photo-gallery-thumbnails {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px max(20px, env(safe-area-inset-right, 20px)) max(20px, env(safe-area-inset-bottom, 20px)) max(20px, env(safe-area-inset-left, 20px));
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.photo-gallery-thumbnails::-webkit-scrollbar {
    display: none;
}

.photo-gallery-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.photo-gallery-thumbnail:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.photo-gallery-thumbnail.active {
    border-color: var(--color-primary, #1d7484);
    transform: scale(1.1);
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .photo-gallery-image {
        max-width: 95vw;
        max-height: 60vh;
    }
    
    .photo-gallery-nav {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .photo-gallery-prev {
        left: 10px;
    }
    
    .photo-gallery-next {
        right: 10px;
    }
    
    .photo-gallery-close {
        top: max(10px, env(safe-area-inset-top, 10px));
        right: max(10px, env(safe-area-inset-right, 10px));
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .photo-gallery-thumbnails {
        padding: 15px max(15px, env(safe-area-inset-right, 15px)) max(15px, env(safe-area-inset-bottom, 15px)) max(15px, env(safe-area-inset-left, 15px));
    }
    
    .photo-gallery-thumbnail {
        width: 50px;
        height: 50px;
    }
}

/* Touch gestures support */
.photo-gallery-main {
    touch-action: pan-y pinch-zoom;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .entry-card:hover {
        transform: none;
        box-shadow: var(--shadow-lg);
    }
    
    .btn:focus-visible {
        outline: 3px solid var(--color-primary);
        outline-offset: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .entry-card {
        transition: none;
    }
    
    .entry-card:hover {
        transform: none;
    }
    
    .fade-in {
        animation: none;
    }
}

/* Photo upload loading indicator */
.photo-loading {
    padding: 20px;
    text-align: center;
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 8px 0;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* GPX Section Styles */
.gpx-upload-container {
    margin-bottom: 1rem;
}

.drag-over {
    background-color: rgba(var(--color-teal-500-rgb), 0.1);
    border: 2px dashed var(--color-teal-500);
}

.gpx-upload-btn {
    width: 100%;
    margin-bottom: 1rem;
}

.gpx-files-list {
    margin-bottom: 1rem;
}

.gpx-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.gpx-file-info {
    flex: 1;
    min-width: 0;
}

.gpx-file-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gpx-file-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.gpx-file-actions {
    display: flex;
    gap: 0.5rem;
}

.gpx-file-remove {
    background: none;
    border: none;
    color: var(--color-red-500);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.gpx-file-remove:hover {
    background-color: rgba(var(--color-red-500-rgb), 0.1);
}

.gpx-summary {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--color-bg-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.gpx-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.gpx-stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.gpx-stat-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
}

.gpx-stat-input {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-weight: 600;
    color: var(--color-primary);
}

.gpx-map-container {
    margin-top: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gpx-map {
    height: 300px;
    width: 100%;
}

.gpx-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--color-text-secondary);
}

.gpx-loading-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.gpx-loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: gpx-spin 1s linear infinite;
}

.gpx-loading-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

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

.gpx-error {
    padding: 0.75rem;
    background: rgba(var(--color-red-500-rgb), 0.1);
    color: var(--color-red-500);
    border: 1px solid rgba(var(--color-red-500-rgb), 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin: 0.5rem 0;
}

/* GPX Detail View Styles */
.gpx-summary-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--color-bg-1);
    border-radius: var(--radius-md);
}

.gpx-files-detail {
    margin-bottom: 1rem;
}

.gpx-file-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.gpx-file-detail-item:last-child {
    margin-bottom: 0;
}

.gpx-file-detail-item .gpx-file-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
}

.gpx-color-indicator {
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.gpx-file-detail-item .gpx-file-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.gpx-file-detail-item .gpx-file-stats span {
    white-space: nowrap;
}

@media (max-width: 768px) {
    .gpx-stats {
        grid-template-columns: 1fr;
    }
    
    .gpx-summary-detail {
        grid-template-columns: 1fr;
    }
    
    .gpx-file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .gpx-file-actions {
        align-self: flex-end;
    }
    
    .gpx-file-detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .gpx-file-detail-item .gpx-file-stats {
        gap: 0.75rem;
        flex-wrap: wrap;
    }
}

/* GPX Loading States */
.gpx-loading, .gpx-empty, .gpx-error {
    padding: var(--space-24);
    text-align: center;
    border-radius: var(--radius-base);
    margin: var(--space-16) 0;
}

.gpx-loading {
    background-color: var(--color-bg-2);
    border: 1px solid var(--color-card-border);
}

.gpx-loading span {
    color: var(--color-text-secondary);
    font-style: italic;
    animation: pulse 1.5s ease-in-out infinite;
}

.gpx-empty {
    background-color: var(--color-bg-1);
    border: 1px dashed var(--color-card-border);
}

.gpx-empty span {
    color: var(--color-text-secondary);
}

.gpx-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.gpx-error span {
    color: var(--color-error);
}

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

/* GPX Summary Section */
.gpx-summary-detail {
    background-color: var(--color-bg-1); /* Same as gpx-summary in edit mode */
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-16);
    margin-bottom: var(--space-16);
}

.gpx-summary-detail h4 {
    margin: 0 0 var(--space-12) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 500;
}

.gpx-files-detail h4 {
    margin: var(--space-16) 0 var(--space-12) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 500;
}

/* =================================================================== */
/* SHARING STYLES */
/* =================================================================== */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-16);
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-4);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

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

/* Share Dialog Specific */
.share-modal {
    max-width: 600px;
}

.share-existing, .share-create {
    text-align: left;
}

.share-existing p:first-child {
    margin-bottom: var(--space-16);
    color: var(--color-text);
    font-weight: 500;
}

.share-link-container {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.share-link-container input {
    flex: 1;
    padding: var(--space-12);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    background: var(--color-surface-secondary);
    color: var(--color-text);
}

.btn-copy {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--space-12) var(--space-16);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
}

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

.share-stats {
    margin-bottom: var(--space-20);
}

.share-stats p {
    margin: var(--space-4) 0;
    color: var(--color-text-secondary);
}

.share-actions {
    display: flex;
    gap: var(--space-12);
    justify-content: flex-end;
}

/* Entry Detail Actions */
.entry-detail-actions {
    display: flex;
    gap: var(--space-12);
    justify-content: center;
    padding: var(--space-24) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-24);
}

.entry-detail-actions .btn {
    padding: var(--space-12) var(--space-20);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
}

/* Shared Entry Styles */
.shared-info-banner {
    background: var(--color-bg-1);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--space-20);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-24);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.shared-info-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-16);
}

.shared-icon {
    font-size: 24px;
    margin-top: 2px;
}

.shared-info-text {
    flex: 1;
}

.shared-main-text {
    margin: 0 0 var(--space-8) 0;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.shared-stats {
    display: flex;
    gap: var(--space-24);
    flex-wrap: wrap;
}

.shared-stat {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.shared-entry-detail {
    max-width: 800px;
    margin: 0 auto;
}

/* Responsive Design for Sharing */
@media (max-width: 640px) {
    .modal-overlay {
        padding: var(--space-8);
    }
    
    .modal-content {
        margin: 0;
    }
    
    .share-link-container {
        flex-direction: column;
    }
    
    .share-actions {
        flex-direction: column;
    }
    
    .entry-detail-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .entry-detail-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .shared-info-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-12);
        align-items: center;
    }
    
    .shared-stats {
        justify-content: center;
        gap: var(--space-16);
    }
    
    .shared-stat {
        font-size: var(--font-size-xs);
    }
}

/* Shared Entry Header Centering */
#shared-entry-view .entry-detail-header {
    justify-content: center;
}

/* Leaflet Controls - ensure they stay behind navigation */
.leaflet-control-container {
    z-index: 900 !important; /* Pod navigací (která má z-index 1000) */
}

.leaflet-top,
.leaflet-bottom,
.leaflet-left,
.leaflet-right {
    z-index: 900 !important;
}

/* Leaflet Control Buttons Styling */
.leaflet-control-zoom,
.leaflet-control-fullscreen,
.leaflet-control-attribution,
.leaflet-control {
    z-index: 900 !important;
}

/* Leaflet Fullscreen Button Styling */
.leaflet-fullscreen-on .leaflet-container {
    background: var(--color-surface);
}

.leaflet-control-fullscreen {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.leaflet-control-fullscreen:hover {
    background: var(--color-bg-1);
}

.leaflet-control-zoom a {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.leaflet-control-zoom a:hover {
    background: var(--color-bg-1);
}

/* Read-only GPX Stat Inputs */
.gpx-stat-input[readonly] {
    background: var(--color-bg-2);
    color: var(--color-text-secondary);
    cursor: not-allowed;
    opacity: 0.8;
}

.gpx-stat-input[readonly]:focus {
    box-shadow: none;
    border-color: var(--color-border);
}