: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-background-alt: #f7f7f5;
  --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-background-alt: #2a2c2c;
    --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-background-alt: #2a2c2c;
  --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-background-alt: #f7f7f5;
  --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);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(-45deg, var(--color-background), var(--color-background-alt), var(--color-background));
  background-size: 400% 400%;
  animation: gradientBG 25s ease infinite;
  transition: background-color var(--duration-normal) var(--ease-standard);
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

*,
*::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 */
/* Enhanced Birthday PWA CSS with Complete Spotify Integration */

/* Additional PWA specific styles */
.install-prompt {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(10px);
}

.install-prompt.hidden {
  display: none;
}

.install-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  max-width: 400px;
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

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

.install-content h3 {
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

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

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

/* Notification Banner */
.notification-banner {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-warning);
  color: var(--color-btn-primary-text);
  z-index: 999;
  animation: slideDownBanner 0.5s ease-out;
  box-shadow: var(--shadow-md);
}

.notification-banner.hidden {
  display: none;
}

@keyframes slideDownBanner {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.banner-content {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-16);
  max-width: 1200px;
  margin: 0 auto;
}

.banner-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.banner-text {
  flex: 1;
}

.banner-text strong {
  display: block;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.banner-text p {
  margin: 0;
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

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

/* Notification Status Card */
.notification-status-card {
  margin-bottom: var(--space-24);
}

.notification-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-16);
}

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

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-error);
  animation: pulse 2s infinite;
}

.status-dot.granted {
  background: var(--color-success);
  animation: none;
}

.status-dot.denied {
  background: var(--color-error);
  animation: none;
}

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

.next-reminder {
  padding: var(--space-8) var(--space-12);
  background: var(--color-bg-1);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.next-reminder small {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Theme Toggle Enhanced */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--color-secondary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.theme-toggle-icon {
  transition: transform 0.3s ease;
}

/* Floating Decorations */
.floating-decorations {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.balloon, .confetti {
  position: absolute;
  font-size: 2rem;
  animation-duration: 6s;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
}

.balloon-1 { top: 10%; left: 10%; animation: float1 8s infinite; color: var(--color-primary); }
.balloon-2 { top: 20%; right: 15%; animation: float2 7s infinite; color: var(--color-warning); }
.balloon-3 { top: 60%; left: 5%; animation: float3 9s infinite; color: var(--color-success); }
.balloon-4 { top: 70%; right: 10%; animation: float1 6s infinite; color: var(--color-primary); }

.confetti-1 { top: 15%; left: 20%; animation: sparkle 4s infinite; color: var(--color-warning); }
.confetti-2 { top: 25%; right: 25%; animation: sparkle 5s infinite; color: var(--color-success); }
.confetti-3 { top: 65%; left: 25%; animation: sparkle 3s infinite; color: var(--color-primary); }
.confetti-4 { top: 75%; right: 20%; animation: sparkle 6s infinite; color: var(--color-warning); }

@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(5deg); }
  66% { transform: translateY(10px) rotate(-5deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(3deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(-3deg); }
  75% { transform: translateY(5px) rotate(3deg); }
}

@keyframes sparkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  50% { transform: scale(1.3) rotate(180deg); opacity: 0.7; }
}

/* --- COMPLETE HAMBURGER MENU CSS - FIXED & ENHANCED --- */
.navigation {
    position: relative;
    z-index: 1000;
}

.nav-toggle {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10001;
}

.nav-toggle:focus {
    outline: none;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

.nav-menu {
    display: flex;
    flex-direction: row;
    gap: var(--space-16);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-base);
    transition: all 0.3s ease;
}

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

/* Mobile styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        position: fixed;
        top: 20px;
        right: 20px;
    }
    
    .nav-menu {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100vh;
        background: rgba(25, 25, 25, 0.9);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-32);
        transition: all 0.4s var(--ease-standard);
        z-index: 10000;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        color: #ffffff !important;
        font-size: 1.6rem;
        font-weight: 600;
        text-align: center;
        padding: var(--space-16) var(--space-24);
        border-radius: var(--radius-lg);
        min-width: 220px;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #ffffff !important;
        transform: scale(1.05) translateX(10px);
    }
    
    .nav-toggle.active .hamburger {
        background: #ffffff; /* Make X icon white for visibility */
    }

    .nav-toggle.active .hamburger:nth-child(1) {
        transform: rotate(45deg);
    }
    
    .nav-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
    }
    
    .nav-toggle.active .hamburger:nth-child(3) {
        transform: rotate(-45deg);
    }
}

/* Add to Home button styling */
#add-to-home {
    background: linear-gradient(135deg, #4CAF50, #45a049) !important;
    color: white !important;
    border-radius: var(--radius-lg) !important;
    margin-top: var(--space-16);
    padding: var(--space-16) var(--space-24) !important;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

#add-to-home:hover {
    background: linear-gradient(135deg, #45a049, #4CAF50) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* Main Content */
.main-content {
  padding-top: 70px;
}

.section {
  display: none;
  padding: var(--space-32) 0;
  min-height: calc(100vh - 70px);
}

.section.active {
  display: block;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Home Section */
.home-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

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

.birthday-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(45deg, var(--color-primary), var(--color-warning), var(--color-success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-8);
  animation: pulse 2s infinite;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.birthday-name {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-16);
}

.birthday-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.birthday-gif {
  margin: var(--space-32) 0;
  display: flex;
  justify-content: center;
}

.gif-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.gif-frame:hover {
  transform: scale(1.02);
}

.gif-frame img {
  max-width: 100%;
  height: auto;
  display: block;
  max-height: 400px;
  border-radius: var(--radius-lg);
}

.counters {
  display: grid;
  gap: var(--space-24);
  margin-top: var(--space-32);
}

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

.countdown-display {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-16);
  margin-top: var(--space-16);
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.time-unit span {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.time-unit label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.sister-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--space-16) 0;
}

.sister-counter span {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-success);
  margin-bottom: var(--space-8);
}

.sister-counter label {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.sister-date {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Spotify Section - Complete Implementation */
.spotify-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.spotify-login-content {
  text-align: center;
  padding: var(--space-32);
}

.spotify-logo {
  font-size: 4rem;
  margin-bottom: var(--space-16);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

.spotify-note {
  margin-top: var(--space-16);
  color: var(--color-text-secondary);
}

/* Error Content */
.error-content {
  text-align: center;
  padding: var(--space-24);
}

.error-icon {
  font-size: 3rem;
  margin-bottom: var(--space-16);
}

.error-content h3 {
  color: var(--color-error);
  margin-bottom: var(--space-12);
}

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

/* User Profile */
.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-20);
  padding: var(--space-16);
}

.user-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  object-fit: cover;
}

.user-info h3 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
}

.user-info p {
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Music Player */
.now-playing {
  padding: var(--space-20);
}

.track-info {
  display: flex;
  gap: var(--space-20);
  align-items: center;
  margin-bottom: var(--space-24);
}

.current-track-image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-base);
  object-fit: cover;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-1);
}

.track-details h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

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

.player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

.control-btn {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-sm);
}

.control-btn:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

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

.play-btn {
  width: 65px;
  height: 65px;
  font-size: 1.5rem;
}

.control-btn.active {
  background: var(--color-success);
}

/* Progress Section */
.progress-section {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--space-20);
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  border: 1px solid var(--color-border);
}

.progress-track {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
  border-radius: var(--radius-full);
  transition: width 0.1s ease;
  width: 0%;
}

.progress-handle {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity 0.2s ease;
  left: 0%;
}

.progress-bar:hover .progress-handle {
  opacity: 1;
}

#current-time, #total-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  min-width: 45px;
  text-align: center;
}

/* Volume Section */
.volume-section {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  justify-content: center;
}

.volume-slider {
  width: 120px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.volume-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

#volume-value {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  min-width: 35px;
}

/* Music Library */
.library-tabs {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-24);
  border-bottom: 1px solid var(--color-border);
}

.tab-btn {
  padding: var(--space-12) var(--space-20);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  font-size: var(--font-size-base);
}

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

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

.tab-content {
  display: none;
}

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

.search-box {
  max-width: 300px;
}

/* Playlists Grid */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-20);
}

.playlist-item {
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}

.playlist-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--color-secondary-hover);
}

.playlist-header {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.playlist-cover {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-2);
}

.playlist-info h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
}

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

.playlist-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: var(--space-8) 0 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tracks List */
.tracks-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.track-item {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-12);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}

.track-item:hover {
  background: var(--color-secondary-hover);
  transform: translateX(4px);
}

.track-number {
  width: 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.track-cover {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-3);
}

.track-details-list {
  flex: 1;
  min-width: 0;
}

.track-details-list h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-details-list p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-duration {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.track-actions {
  display: flex;
  gap: var(--space-8);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.track-action-btn {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-8);
  cursor: pointer;
  font-size: var(--font-size-xs);
  transition: all 0.2s ease;
}

.track-action-btn:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}

/* Loading States */
.loading {
  text-align: center;
  padding: var(--space-32);
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Reminders Section Enhanced */
.reminders-grid {
  display: grid;
  gap: var(--space-32);
}

@media (min-width: 968px) {
  .reminders-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.meal-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.meal-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-sm);
}

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

.meal-icon {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-4);
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.meal-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

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

/* Toggle Switch Enhanced */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  transition: .4s;
  border-radius: 30px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 24px;
  width: 24px;
  left: 2px;
  bottom: 2px;
  background: var(--color-text);
  transition: .4s;
  border-radius: 50%;
  box-shadow: var(--shadow-xs);
}

input:checked + .slider {
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(var(--color-success-rgb), 0.3);
}

input:checked + .slider:before {
  transform: translateX(30px);
  background: var(--color-btn-primary-text);
}

/* Water Controls */
.water-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

.water-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-16);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.water-info {
  flex: 1;
}

.water-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  display: block;
}

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

/* Gallery Section Enhanced */
.gallery-controls {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
  margin-bottom: var(--space-32);
  flex-wrap: wrap;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-20);
}

.empty-gallery {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-32);
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-16);
  opacity: 0.5;
}

.empty-gallery h3 {
  color: var(--color-text);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-semibold);
}

.empty-gallery p {
  color: var(--color-text-secondary);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item:hover {
  transform: scale(1.02) translateY(-5px);
  box-shadow: var(--shadow-md);
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s ease;
  font-size: 18px;
  font-weight: bold;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
  transform: scale(1.1);
}

.gallery-item-overlay:hover {
  background: var(--color-error);
  transform: scale(1.2);
}

/* Modal Styles Enhanced */
.modal {
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

.modal.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--space-8);
  border-radius: 50%;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.modal-close:hover {
  background: var(--color-error);
  color: var(--color-btn-primary-text);
  transform: scale(1.1);
}

/* Slideshow Styles */
.slideshow-content {
  max-width: 95vw;
  max-height: 95vh;
  padding: var(--space-16);
}

.slideshow-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-secondary);
  backdrop-filter: blur(10px);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: var(--space-12) var(--space-16);
  font-size: var(--font-size-xl);
  cursor: pointer;
  border-radius: var(--radius-base);
  transition: all 0.3s ease;
  z-index: 10;
}

.slideshow-btn:hover {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  transform: translateY(-50%) scale(1.1);
}

.prev-btn { left: var(--space-16); }
.next-btn { right: var(--space-16); }

#slideshow-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
}

.slideshow-counter {
  text-align: center;
  margin-top: var(--space-16);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ===============================================
   CALENDAR SECTION - COMPLETE CSS REPLACEMENT
   =============================================== */

.calendar-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-20);
    padding-bottom: var(--space-16);
    border-bottom: 2px solid var(--color-border);
}

.calendar-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

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

.calendar-nav button {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: none;
    border-radius: var(--radius-base);
    padding: var(--space-8) var(--space-12);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.current-month {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    min-width: 200px;
    text-align: center;
}

/* Calendar Grid */
#calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-base);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.calendar-day-header {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    padding: var(--space-12);
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-day {
    background: var(--color-surface);
    min-height: 120px;
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.calendar-day:hover {
    background: var(--color-secondary);
    transform: scale(1.02);
    border-color: var(--color-primary);
    z-index: 10;
}

.calendar-day.other-month {
    background: var(--color-background);
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.calendar-day.other-month:hover {
    opacity: 0.7;
}

.calendar-day.today {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: var(--color-btn-primary-text);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.calendar-day.today .day-number {
    color: var(--color-btn-primary-text);
}

.day-number {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-8);
    text-align: left;
}

.day-events {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.event-indicator {
    background: var(--color-accent);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.event-indicator:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.more-events {
    background: var(--color-text-secondary) !important;
    font-style: italic;
    text-align: center;
}

/* Event Colors */
.event-indicator[style*="background: #FF6B9D"], 
.event-indicator[style*="background-color: #FF6B9D"] { 
    background: #FF6B9D !important; 
}

.event-indicator[style*="background: #4ECDC4"], 
.event-indicator[style*="background-color: #4ECDC4"] { 
    background: #4ECDC4 !important; 
}

.event-indicator[style*="background: #45B7D1"], 
.event-indicator[style*="background-color: #45B7D1"] { 
    background: #45B7D1 !important; 
}

.event-indicator[style*="background: #96CEB4"], 
.event-indicator[style*="background-color: #96CEB4"] { 
    background: #96CEB4 !important; 
}

.event-indicator[style*="background: #FFEAA7"], 
.event-indicator[style*="background-color: #FFEAA7"] { 
    background: #FFEAA7 !important;
    color: #333 !important;
}

.event-indicator[style*="background: #DDA0DD"], 
.event-indicator[style*="background-color: #DDA0DD"] { 
    background: #DDA0DD !important; 
}

.event-indicator[style*="background: #FFB347"], 
.event-indicator[style*="background-color: #FFB347"] { 
    background: #FFB347 !important;
    color: #333 !important;
}

.event-indicator[style*="background: #FF6B6B"], 
.event-indicator[style*="background-color: #FF6B6B"] { 
    background: #FF6B6B !important; 
}

/* Upcoming Events List */
.upcoming-events {
    margin-top: var(--space-24);
    padding-top: var(--space-20);
    border-top: 2px solid var(--color-border);
}

.upcoming-events h3 {
    color: var(--color-text);
    margin-bottom: var(--space-16);
    font-size: 1.4rem;
    font-weight: 600;
}

#events-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.event-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-base);
    padding: var(--space-16);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.event-item.enhanced {
    position: relative;
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
}

.event-title {
    font-weight: 600;
    color: var(--color-text);
    font-size: 1.1rem;
}

.event-datetime {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.event-description {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.event-actions-mini {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.event-item:hover .event-actions-mini {
    opacity: 1;
}

.btn-tiny {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-tiny:hover {
    background: var(--color-primary-hover);
    transform: scale(1.1);
}

/* Add Event Button */
.add-event-section {
    margin-top: var(--space-20);
    text-align: center;
}

#add-event-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: var(--color-btn-primary-text);
    border: none;
    padding: var(--space-12) var(--space-24);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

/* Modal Styles for Event Creation/Editing */
#event-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

#event-modal.hidden {
    display: none;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-20);
    padding-bottom: var(--space-16);
    border-bottom: 2px solid var(--color-border);
}

.modal-header h2 {
    margin: 0;
    color: var(--color-text);
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: all 0.2s ease;
}

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

/* Form Styles */
.event-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group label {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: var(--space-4);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    background: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-12);
    color: var(--color-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.color-picker-group {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.color-presets {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.color-preset {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-preset:hover,
.color-preset.active {
    border-color: var(--color-text);
    transform: scale(1.1);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-20);
    padding-top: var(--space-16);
    border-top: 2px solid var(--color-border);
}

.left-actions,
.right-actions {
    display: flex;
    gap: var(--space-12);
}

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

.btn--danger:hover {
    background: #dc2626;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-container {
        padding: var(--space-16);
    }
    
    .calendar-header {
        flex-direction: column;
        gap: var(--space-12);
        text-align: center;
    }
    
    .calendar-nav {
        order: 2;
    }
    
    .current-month {
        order: 1;
        font-size: 1.1rem;
    }
    
    #calendar-grid {
        gap: 1px;
    }
    
    .calendar-day {
        min-height: 80px;
        padding: var(--space-6);
    }
    
    .day-number {
        font-size: 1rem;
        margin-bottom: var(--space-4);
    }
    
    .event-indicator {
        font-size: 0.7rem;
        padding: 1px 4px;
    }
    
    .calendar-day-header {
        padding: var(--space-8);
        font-size: 0.8rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: var(--space-16);
        padding: var(--space-20);
    }
}

@media (max-width: 480px) {
    .calendar-day {
        min-height: 60px;
        padding: var(--space-4);
    }
    
    .day-number {
        font-size: 0.9rem;
    }
    
    .event-indicator {
        font-size: 0.6rem;
        padding: 1px 3px;
    }
    
    .color-presets {
        justify-content: center;
    }
}

/* Dark Mode Adjustments */
@media (prefers-color-scheme: dark) {
    .calendar-day {
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .event-indicator {
        box-shadow: 0 1px 3px rgba(255, 255, 255, 0.1);
    }
}



/* Track Modal */
.track-modal-content {
  display: flex;
  gap: var(--space-24);
  align-items: center;
}

.modal-track-image {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-base);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.modal-track-details h4 {
  margin: 0 0 var(--space-8) 0;
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-xl);
}

.modal-track-details p {
  margin: 0 0 var(--space-8) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

.modal-track-actions {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-24);
}

/* Custom Notifications */
.custom-notification {
  position: fixed;
  top: 100px;
  right: 20px;
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: var(--space-12);
  max-width: 350px;
  animation: slideInRight 0.3s ease;
  color: var(--color-text);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

.notification-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--space-4);
  border-radius: 50%;
  transition: all 0.2s ease;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notification-close:hover {
  background: var(--color-error);
  color: var(--color-btn-primary-text);
}

.notification-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.notification-message {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 768px) {
    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 15px;
        right: 15px;
  }
  
  .floating-decorations {
    display: none;
  }
  
  .track-info {
    flex-direction: column;
    text-align: center;
    gap: var(--space-16);
  }
  
  .current-track-image {
    width: 100px;
    height: 100px;
  }
  
  .user-profile {
    flex-direction: column;
    text-align: center;
    gap: var(--space-16);
  }
  
  .playlists-grid {
    grid-template-columns: 1fr;
  }
  
  .track-modal-content {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-track-image {
    width: 120px;
    height: 120px;
  }
  
  .volume-section {
    flex-wrap: wrap;
  }
  
  .volume-slider {
    width: 100px;
  }
  
  .calendar-day {
    min-height: 60px;
    font-size: var(--font-size-xs);
  }
  
  .slideshow-btn {
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-lg);
  }
  
  .prev-btn { left: var(--space-8); }
  .next-btn { right: var(--space-8); }
  
  .modal-content {
    margin: var(--space-16);
    width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
  }
  
  .modal-actions {
    flex-direction: column;
  }
  
  .countdown-display {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }
  
  .time-unit {
    padding: var(--space-12);
  }
  
  .install-actions {
    flex-direction: column;
  }
  
  .custom-notification {
    right: var(--space-12);
    left: var(--space-12);
    max-width: none;
  }
  
  .notification-status {
    flex-direction: column;
    gap: var(--space-12);
    align-items: flex-start;
  }
}