/* ==========================================================================
   DrinkCountr Design System
   A fun, energetic, drunk-proof design system for drink tracking
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Primary Palette - Fun purple that says "party time" */
  --color-primary-50: #f5f0ff;
  --color-primary-100: #ede5ff;
  --color-primary-200: #ddd0ff;
  --color-primary-300: #c4abff;
  --color-primary-400: #a67cff;
  --color-primary-500: #8b4fff;
  --color-primary-600: #7c2df5;
  --color-primary-700: #6b1de0;
  --color-primary-800: #5a19b8;
  --color-primary-900: #4a1696;

  /* Secondary Palette - Warm amber for energy */
  --color-secondary-50: #fffbeb;
  --color-secondary-100: #fef3c7;
  --color-secondary-200: #fde68a;
  --color-secondary-300: #fcd34d;
  --color-secondary-400: #fbbf24;
  --color-secondary-500: #f59e0b;
  --color-secondary-600: #d97706;
  --color-secondary-700: #b45309;
  --color-secondary-800: #92400e;
  --color-secondary-900: #78350f;

  /* Semantic Colors */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-200: #a7f3d0;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;

  --color-error-50: #fef2f2;
  --color-error-100: #fee2e2;
  --color-error-200: #fecaca;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-error-700: #b91c1c;

  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;

  --color-info-50: #eff6ff;
  --color-info-100: #dbeafe;
  --color-info-500: #3b82f6;
  --color-info-600: #2563eb;

  /* Neutrals */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Special Colors for Kiosk/Scoreboard */
  --color-gold: #ffd700;
  --color-silver: #c0c0c0;
  --color-bronze: #cd7f32;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Type Scale (1.25 ratio) */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */

  /* Kiosk-specific large sizes */
  --font-size-kiosk-sm: 1.25rem;   /* 20px */
  --font-size-kiosk-base: 1.5rem;  /* 24px */
  --font-size-kiosk-lg: 2rem;      /* 32px */
  --font-size-kiosk-xl: 2.5rem;    /* 40px */
  --font-size-kiosk-2xl: 3rem;     /* 48px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Spacing Scale (8px base grid) */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Border Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(139, 79, 255, 0.3);
  --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;

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

/* ==========================================================================
   2. CSS Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */

h1, .h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.025em;
}

h2, .h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.025em;
}

h3, .h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h4, .h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h5, .h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
}

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

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
  text-decoration: underline;
}

.text-muted {
  color: var(--color-gray-500);
}

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

.text-center {
  text-align: center;
}

/* ==========================================================================
   4. Layout Components
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container--sm {
  max-width: var(--container-sm);
}

.container--md {
  max-width: var(--container-md);
}

.container--xl {
  max-width: var(--container-xl);
}

.page-content {
  padding: var(--space-6) 0;
}

@media (min-width: 768px) {
  .page-content {
    padding: var(--space-8) 0;
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flex utilities */
.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================================================
   5. Navigation
   ========================================================================== */

.nav {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  padding: var(--space-3) var(--space-4);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.nav__brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__brand:hover {
  color: white;
  text-decoration: none;
}

.nav__brand-icon {
  font-size: var(--font-size-2xl);
}

.nav__premium-badge {
  background: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
  color: #1a1a2e;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 8px;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
  animation: premium-glow 2s ease-in-out infinite alternate;
}

@keyframes premium-glow {
  from {
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
  }
  to {
    box-shadow: 0 2px 16px rgba(255, 215, 0, 0.7);
  }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.nav__link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.nav__link:hover {
  color: white;
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.nav__link--active {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.nav__link--cta {
  background: white;
  color: var(--color-primary-600);
  font-weight: var(--font-weight-semibold);
}

.nav__link--cta:hover {
  background: var(--color-gray-100);
  color: var(--color-primary-700);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--space-2);
}

@media (max-width: 767px) {
  .nav__toggle {
    display: block;
  }

  .nav__links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--space-3);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__link {
    padding: var(--space-3);
    text-align: center;
  }
}

/* ==========================================================================
   6. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px; /* Accessibility: minimum touch target */
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
  color: white;
  border-color: var(--color-primary-600);
}

.btn--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
  text-decoration: none;
}

.btn--primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn--secondary {
  background: white;
  color: var(--color-primary-600);
  border-color: var(--color-primary-300);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  color: var(--color-primary-700);
  text-decoration: none;
}

/* Ghost Button */
.btn--ghost {
  background: transparent;
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-gray-100);
  border-color: var(--color-gray-400);
  text-decoration: none;
}

/* Success Button */
.btn--success {
  background: linear-gradient(135deg, var(--color-success-500) 0%, var(--color-success-600) 100%);
  color: white;
  border-color: var(--color-success-600);
}

.btn--success:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-success-600) 0%, var(--color-success-700) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
  text-decoration: none;
}

/* Danger Button */
.btn--danger {
  background: linear-gradient(135deg, var(--color-error-500) 0%, var(--color-error-600) 100%);
  color: white;
  border-color: var(--color-error-600);
}

.btn--danger:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-error-600) 0%, var(--color-error-700) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
  text-decoration: none;
}

/* Button Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

.btn--xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-xl);
  min-height: 60px;
  border-radius: var(--radius-xl);
}

/* Full width button */
.btn--block {
  width: 100%;
}

/* Icon-only button */
.btn--icon {
  padding: var(--space-3);
  min-width: 44px;
}

/* ==========================================================================
   7. Cards
   ========================================================================== */

.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.card--elevated {
  box-shadow: var(--shadow-md);
  border: none;
}

.card--interactive {
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.card__header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.card__body {
  padding: var(--space-6);
}

.card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-gray-100);
  background: var(--color-gray-50);
}

/* Status Cards */
.card--success {
  background: linear-gradient(135deg, var(--color-success-50) 0%, var(--color-success-100) 100%);
  border-color: var(--color-success-200);
}

.card--error {
  background: linear-gradient(135deg, var(--color-error-50) 0%, var(--color-error-100) 100%);
  border-color: var(--color-error-200);
}

.card--warning {
  background: linear-gradient(135deg, var(--color-warning-50) 0%, var(--color-warning-100) 100%);
  border-color: var(--color-secondary-200);
}

/* ==========================================================================
   8. Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error-500);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: white;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(139, 79, 255, 0.15);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-error-500);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error-600);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2);
}

.form-check__input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  cursor: pointer;
}

/* Form layouts */
.form-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.form-row {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ==========================================================================
   9. Alerts & Messages
   ========================================================================== */

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}

.alert__icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.alert__content {
  flex: 1;
}

.alert__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.alert--success {
  background: var(--color-success-50);
  border: 1px solid var(--color-success-200);
  color: var(--color-success-700);
}

.alert--error {
  background: var(--color-error-50);
  border: 1px solid var(--color-error-200);
  color: var(--color-error-700);
}

.alert--warning {
  background: var(--color-warning-50);
  border: 1px solid var(--color-secondary-200);
  color: var(--color-secondary-700);
}

.alert--info {
  background: var(--color-info-50);
  border: 1px solid var(--color-info-100);
  color: var(--color-info-600);
}

/* ==========================================================================
   10. Badges & Pills
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge--primary {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge--success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.badge--error {
  background: var(--color-error-100);
  color: var(--color-error-700);
}

.badge--warning {
  background: var(--color-warning-100);
  color: var(--color-secondary-700);
}

.badge--lg {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   11. Avatar
   ========================================================================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
  color: white;
  font-weight: var(--font-weight-bold);
  overflow: hidden;
  flex-shrink: 0;
}

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

.avatar--sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-sm);
}

.avatar--md {
  width: 48px;
  height: 48px;
  font-size: var(--font-size-lg);
}

.avatar--lg {
  width: 80px;
  height: 80px;
  font-size: var(--font-size-2xl);
}

.avatar--xl {
  width: 120px;
  height: 120px;
  font-size: var(--font-size-4xl);
}

/* Kiosk-sized avatar */
.avatar--kiosk {
  width: 140px;
  height: 140px;
  font-size: var(--font-size-5xl);
  border: 4px solid white;
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   12. Tables
   ========================================================================== */

.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
  background: var(--color-gray-50);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
}

.table tbody tr:hover {
  background: var(--color-gray-50);
}

.table--striped tbody tr:nth-child(even) {
  background: var(--color-gray-50);
}

/* ==========================================================================
   13. Page Header
   ========================================================================== */

.page-header {
  margin-bottom: var(--space-6);
}

.page-header__title {
  margin-bottom: var(--space-2);
}

.page-header__subtitle {
  color: var(--color-gray-500);
  font-size: var(--font-size-lg);
}

.page-header__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.page-header--with-actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ==========================================================================
   14. Hero Section (Landing Page)
   ========================================================================== */

.hero {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  color: white;
  padding: var(--space-16) var(--space-4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero__content {
  position: relative;
  max-width: var(--container-md);
  margin: 0 auto;
}

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

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: var(--line-height-relaxed);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__btn {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  min-height: 56px;
}

.hero__btn--primary {
  background: white;
  color: var(--color-primary-600);
  border-color: white;
}

.hero__btn--primary:hover {
  background: var(--color-gray-100);
  color: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero__btn--secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.hero__btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
}

@media (max-width: 767px) {
  .hero {
    padding: var(--space-10) var(--space-4);
  }

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

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

/* ==========================================================================
   15. Features Section
   ========================================================================== */

.features {
  padding: var(--space-16) var(--space-4);
  background: white;
}

.features__header {
  text-align: center;
  max-width: var(--container-sm);
  margin: 0 auto var(--space-12);
}

.features__title {
  margin-bottom: var(--space-4);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  max-width: var(--container-lg);
  margin: 0 auto;
}

.feature-card {
  text-align: center;
  padding: var(--space-6);
}

.feature-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-primary-200) 100%);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.feature-card__title {
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.feature-card__description {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   16. Status Section (Dashboard)
   ========================================================================== */

.status-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
}

.status-card--open {
  background: linear-gradient(135deg, var(--color-success-50) 0%, var(--color-success-100) 100%);
  border: 2px solid var(--color-success-200);
}

.status-card--closed {
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border: 2px solid var(--color-gray-300);
}

.status-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.status-card__icon {
  font-size: var(--font-size-3xl);
}

.status-card__title {
  color: var(--color-success-700);
}

.status-card--closed .status-card__title {
  color: var(--color-gray-700);
}

.status-card__details {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.status-card__detail {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.status-card__detail strong {
  color: var(--color-gray-900);
}

.status-card__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Stats grid on dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: white;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  text-align: center;
}

.stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-600);
  margin-bottom: var(--space-1);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card__upgrade-link {
  color: var(--color-primary-600);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s ease;
}

.stat-card__upgrade-link:hover {
  color: var(--color-primary-700);
}

.pro-badge-inline {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

/* Getting Started Banner */
.getting-started-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
  border: 2px dashed var(--color-primary-400);
  border-radius: var(--radius-lg);
  color: var(--color-primary-700);
}

.getting-started-banner__icon {
  font-size: 1.5rem;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.getting-started-banner__content {
  font-size: 1rem;
}

/* Manage Section */
.manage-section {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: var(--radius-xl, 16px);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-200);
}

.manage-section__header {
  text-align: center;
  margin-bottom: 1.25rem;
}

.manage-section__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-800);
  margin: 0 0 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.manage-section__icon {
  font-size: 1.25rem;
}

.manage-section__subtitle {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin: 0;
}

/* Manage Cards */
.manage-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: white;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-gray-200);
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

.manage-card:hover {
  border-color: var(--color-primary-400);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.manage-card__icon {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.manage-card--drinks .manage-card__icon {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.manage-card--guests .manage-card__icon {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.manage-card__content {
  flex: 1;
  min-width: 0;
}

.manage-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 0 0 0.25rem;
}

.manage-card__desc {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  margin: 0;
}

.manage-card__badge {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full, 9999px);
  flex-shrink: 0;
}

.manage-card__arrow {
  font-size: 1.25rem;
  color: var(--color-gray-400);
  transition: transform 0.2s ease;
}

.manage-card:hover .manage-card__arrow {
  transform: translateX(4px);
  color: var(--color-primary-500);
}

@media (max-width: 640px) {
  .manage-card {
    flex-wrap: wrap;
  }

  .manage-card__arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
  }

  .manage-card:hover .manage-card__arrow {
    transform: translateY(-50%) translateX(4px);
  }
}

/* ==========================================================================
   17. Kiosk Mode Styles (DRUNK-PROOF)
   ========================================================================== */

.kiosk {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  padding: var(--space-6);
}

.kiosk__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.kiosk__title {
  font-size: var(--font-size-kiosk-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.kiosk__subtitle {
  font-size: var(--font-size-kiosk-base);
  color: var(--color-gray-600);
}

/* Kiosk User Selection Grid */
.kiosk__users {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.kiosk__user {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  border: 3px solid transparent;
  min-height: 220px;
}

.kiosk__user:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-400);
  text-decoration: none;
}

.kiosk__user:active {
  transform: scale(0.98);
}

.kiosk__user-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: white;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.kiosk__user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kiosk__user-name {
  font-size: var(--font-size-kiosk-base);
  font-weight: var(--font-weight-bold);
  text-align: center;
  color: var(--color-gray-900);
}

/* Kiosk Drink Selection Grid */
.kiosk__drinks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.kiosk__drink {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  min-height: 200px;
  border: none;
  border-radius: var(--radius-2xl);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.kiosk__drink::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

.kiosk__drink:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.kiosk__drink:active {
  transform: scale(0.95);
}

.kiosk__drink-name {
  position: relative;
  font-size: var(--font-size-kiosk-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  text-shadow: 0 1px 2px rgba(255,255,255,0.5);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
}

.kiosk__drink-price {
  position: relative;
  font-size: var(--font-size-kiosk-base);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-800);
  background: rgba(255,255,255,0.7);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

/* Kiosk back button */
.kiosk__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-kiosk-sm);
  color: var(--color-gray-600);
  text-decoration: none;
  margin-top: var(--space-8);
  padding: var(--space-3) var(--space-5);
  background: white;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.kiosk__back:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
  text-decoration: none;
}

/* Kiosk No Session State */
.kiosk__empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  max-width: var(--container-sm);
  margin: 0 auto;
}

.kiosk__empty-icon {
  font-size: 5rem;
  margin-bottom: var(--space-6);
  opacity: 0.5;
}

.kiosk__empty-title {
  font-size: var(--font-size-kiosk-xl);
  margin-bottom: var(--space-4);
  color: var(--color-gray-700);
}

.kiosk__empty-text {
  font-size: var(--font-size-kiosk-base);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

/* ==========================================================================
   18. Scoreboard Styles (CELEBRATORY)
   ========================================================================== */

.scoreboard {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-primary-900) 100%);
  color: white;
  padding: var(--space-6);
}

.scoreboard__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.scoreboard__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--space-2);
}

.scoreboard__session {
  font-size: var(--font-size-lg);
  color: var(--color-primary-300);
}

/* Scoreboard table */
.scoreboard__table {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.scoreboard__row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition-fast);
}

.scoreboard__row:last-child {
  border-bottom: none;
}

.scoreboard__row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.scoreboard__row--header {
  background: rgba(0, 0, 0, 0.2);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
}

/* Podium positions */
.scoreboard__row--gold {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.2) 0%, transparent 100%);
}

.scoreboard__row--silver {
  background: linear-gradient(90deg, rgba(192, 192, 192, 0.15) 0%, transparent 100%);
}

.scoreboard__row--bronze {
  background: linear-gradient(90deg, rgba(205, 127, 50, 0.15) 0%, transparent 100%);
}

.scoreboard__rank {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
}

.scoreboard__rank--gold {
  background: linear-gradient(135deg, var(--color-gold) 0%, #ffa500 100%);
  color: var(--color-gray-900);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

.scoreboard__rank--silver {
  background: linear-gradient(135deg, var(--color-silver) 0%, #a0a0a0 100%);
  color: var(--color-gray-900);
}

.scoreboard__rank--bronze {
  background: linear-gradient(135deg, var(--color-bronze) 0%, #8b4513 100%);
  color: white;
}

.scoreboard__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.scoreboard__user-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: white;
  overflow: hidden;
}

.scoreboard__user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scoreboard__user-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.scoreboard__count {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary-400);
  text-align: right;
  min-width: 60px;
}

.scoreboard__drinks {
  font-size: var(--font-size-xl);
  white-space: nowrap;
}

/* Scoreboard empty state */
.scoreboard__empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

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

.scoreboard__empty-text {
  font-size: var(--font-size-xl);
  color: var(--color-gray-400);
}

/* Celebration animations */
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.4); }
  50% { box-shadow: 0 0 40px rgba(255, 215, 0, 0.6); }
}

.scoreboard__rank--gold {
  animation: pulse-gold 2s infinite;
}

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

.scoreboard__row {
  animation: slide-in 0.3s ease-out;
}

/* Confetti container (JS will populate) */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: var(--z-toast);
  overflow: hidden;
}

/* ==========================================================================
   19. Auth Pages (Login/Signup)
   ========================================================================== */

.auth-page {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
  background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8);
}

.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
}

.auth-card__title {
  margin-bottom: var(--space-2);
}

.auth-card__subtitle {
  color: var(--color-gray-500);
}

.auth-card__footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ==========================================================================
   20. Management Pages (Guest/Drink Lists)
   ========================================================================== */

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
}

.item-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.item-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-300);
}

.item-card__avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: white;
  overflow: hidden;
}

.item-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-card__color {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-200);
}

.item-card__name {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
  color: var(--color-gray-900);
}

.item-card__detail {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-3);
}

.item-card__actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.item-card__action {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.item-card__action--edit {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.item-card__action--edit:hover {
  background: var(--color-primary-100);
  text-decoration: none;
}

.item-card__action--delete {
  color: var(--color-error-600);
  background: var(--color-error-50);
  border: none;
  cursor: pointer;
}

.item-card__action--delete:hover {
  background: var(--color-error-100);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-gray-500);
}

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

.empty-state__title {
  font-size: var(--font-size-xl);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.empty-state__text {
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   21. Session Start Page
   ========================================================================== */

.session-start {
  max-width: var(--container-md);
  margin: 0 auto;
}

.drink-selection {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.drink-selection__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drink-selection__item:hover {
  border-color: var(--color-primary-300);
  background: var(--color-primary-50);
}

.drink-selection__item:has(input:checked) {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.drink-selection__color {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-300);
  flex-shrink: 0;
}

.drink-selection__name {
  flex: 1;
  font-weight: var(--font-weight-medium);
}

.drink-selection__checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary-600);
}

/* ==========================================================================
   22. Utility Classes
   ========================================================================== */

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Visibility */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visible */
.focus-visible:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* ==========================================================================
   23. Print Styles
   ========================================================================== */

@media print {
  .nav,
  .btn,
  form {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .scoreboard {
    background: white;
    color: black;
  }

  .scoreboard__table {
    background: transparent;
  }
}