/* ==========================================================================
   Base Styles - Lustorio "Dark Velvet Pillows" Theme
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Deep dark blues with warm accents */
  --color-bg-primary: #0d1321;
  --color-bg-secondary: #1a1f35;
  --color-bg-tertiary: #252b45;
  --color-bg-elevated: #2d3555;
  
  /* Accent gradients */
  --gradient-primary: linear-gradient(135deg, #4a1d6a 0%, #8b2e5c 50%, #c94b7c 100%);
  --gradient-subtle: linear-gradient(135deg, #1a1f35 0%, #2d2340 100%);
  --gradient-warm: linear-gradient(135deg, #8b2e5c 0%, #d4647c 100%);
  
  /* Text colors */
  --color-text-primary: #f5f0eb;
  --color-text-secondary: #b8b0c8;
  --color-text-muted: #8a829a;
  --color-text-inverse: #0d1321;
  
  /* Interactive elements - warm highlights */
  --color-accent-primary: #d4647c;
  --color-accent-secondary: #c9a87c;
  --color-accent-hover: #e88a9e;
  
  /* States */
  --color-success: #5cb97b;
  --color-error: #e05c6b;
  --color-warning: #d4a04c;
  --color-info: #5c8ed4;
  
  /* Typography */
  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Lexend', 'Georgia', 'Cambria', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(212, 100, 124, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --max-width-content: 800px;
  --max-width-wide: 1200px;
  --nav-height: 60px;
}

/* CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  background-image: var(--gradient-subtle);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* ==========================================================================
   Native Form Elements
   
   Style native elements directly. Use modifier classes for variations:
   - select.--small, input.--small
   ========================================================================== */

select {
  appearance: none;
  padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-tertiary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a829a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  border: 1px solid var(--color-bg-elevated);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

select:hover {
  border-color: var(--color-text-muted);
}

select:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(212, 100, 124, 0.2);
}

select option {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

select.--small {
  padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-xs) var(--spacing-sm);
  font-size: 0.85rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="tel"],
input[type="number"] {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-bg-elevated);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(212, 100, 124, 0.2);
}

input::placeholder {
  color: var(--color-text-muted);
}

input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  background-color: var(--color-bg-tertiary);
  border: 2px solid var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

input[type="checkbox"]:hover {
  border-color: var(--color-text-secondary);
}

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

input[type="checkbox"]:checked::after {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.7rem;
  line-height: 1;
  height: 100%;
}

input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 100, 124, 0.2);
}

textarea {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-bg-elevated);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  resize: vertical;
  min-height: 100px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(212, 100, 124, 0.2);
}

textarea::placeholder {
  color: var(--color-text-muted);
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* Story text - serif for reading comfort */
.story-text {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.8;
}

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