/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  /* Colors - Primary */
  --color-primary: #15157d;
  --color-primary-container: #2e3192;
  --color-on-primary: #ffffff;
  --color-on-primary-container: #9da1ff;
  
  /* Colors - Secondary */
  --color-secondary: #ba0903;
  --color-on-secondary: #ffffff;
  --color-secondary-fixed: #ffdad4;
  --color-on-secondary-fixed-variant: #930100;
  
  /* Colors - Surface & Background */
  --color-background: #fbf9f8;
  --color-on-background: #1b1c1c;
  --color-surface: #fbf9f8;
  --color-surface-dim: #dcd9d9;
  --color-surface-bright: #fbf9f8;
  --color-surface-variant: #e4e2e1;
  --color-on-surface: #1b1c1c;
  --color-on-surface-variant: #464652;
  
  /* Colors - Surface Hierarchy */
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f6f3f2;
  --color-surface-container: #f0eded;
  --color-surface-container-high: #eae8e7;
  --color-surface-container-highest: #e4e2e1;
  
  /* Colors - Outline & Error */
  --color-outline: #777683;
  --color-outline-variant: #c7c5d4;
  --color-error: #ba1a1a;
  
  /* Typography */
  --font-family-base: 'Inter', system-ui, -apple-system, sans-serif;
  --font-family-headline: var(--font-family-base);
  --font-family-label: var(--font-family-base);
  
  /* Spacing Scale */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-ambient: 0px 12px 32px rgba(27, 28, 28, 0.06);
  
  /* Transitions */
  --transition-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-transform: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-colors: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* =============================================
   RESET & LAYOUT UTILITIES
   ============================================= */
*, ::before, ::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: var(--color-outline-variant);
}

img, video {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  background-color: transparent;
  background-image: none;
  font-family: inherit;
  font-size: 100%;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
  margin: 0;
  padding: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 1536px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-8);
  padding-right: var(--spacing-8);
}

/* Grid Layouts */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: var(--spacing-12); }
.gap-16 { gap: var(--spacing-16); }
.gap-24 { gap: var(--spacing-24); }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }

/* Responsive Grid Overrides */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:flex-row { flex-direction: row; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:col-span-6 { grid-column: span 6 / span 6; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:order-1 { order: 1; }
  .lg\:order-2 { order: 2; }
}

/* Spacing - Padding */
.section-py { padding-top: var(--spacing-32); padding-bottom: var(--spacing-32); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }
.p-10 { padding: 2.5rem; }
.p-16 { padding: var(--spacing-16); }
.px-3 { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }
.px-8 { padding-left: var(--spacing-8); padding-right: var(--spacing-8); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-8 { padding-top: var(--spacing-8); padding-bottom: var(--spacing-8); }
.pt-2 { padding-top: var(--spacing-2); }
.pt-8 { padding-top: var(--spacing-8); }
.pt-16 { padding-top: var(--spacing-16); }
.pb-1 { padding-bottom: var(--spacing-1); }
.pb-2 { padding-bottom: var(--spacing-2); }
.pb-8 { padding-bottom: var(--spacing-8); }
.pr-4 { padding-right: var(--spacing-4); }

/* Spacing - Margin */
.m-0 { margin: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }
.mb-16 { margin-bottom: var(--spacing-16); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-16 { margin-top: var(--spacing-16); }

/* Spacing - Gap */
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }

/* Typography Basics */
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.uppercase { text-transform: uppercase; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* Z-Index */
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.-z-10 { z-index: -10; }

/* Effects */
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.overflow-hidden { overflow: hidden; }

/* =============================================
   GLOBAL STYLES
   ============================================= */
html, body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-on-background);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-headline);
    margin: 0;
    line-height: 1.2;
}

h1:focus, h2:focus, h3:focus {
    outline: none;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Utility Colors - Backgrounds */
.bg-surface { background-color: var(--color-surface); }
.bg-surface-dim { background-color: var(--color-surface-dim); }
.bg-surface-container-low { background-color: var(--color-surface-container-low); }
.bg-surface-container-lowest { background-color: var(--color-surface-container-lowest); }
.bg-surface-container { background-color: var(--color-surface-container); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-container { background-color: var(--color-primary-container); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-white { background-color: #ffffff; }

/* Utility Colors - Text */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-on-surface { color: var(--color-on-surface); }
.text-on-surface-variant { color: var(--color-on-surface-variant); }
.text-on-primary { color: var(--color-on-primary); }
.text-on-primary-container { color: var(--color-on-primary-container); }
.text-on-secondary { color: var(--color-on-secondary); }

/* Blazor Error Boundary */
#blazor-error-ui {
    background: #ffdad6;
    color: #93000a;
    bottom: 0;
    box-shadow: var(--shadow-md);
    display: none;
    left: 0;
    padding: var(--spacing-3) var(--spacing-4);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}