/* kylies.photos — Global Styles */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,600;1,400&family=Inter:wght@400;500;600;700&display=swap');

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

/* CSS Custom Properties */
:root {
  /* Colors - base palette (Trail Dust) */
  --color-black: #2C2926;
  --color-dark-grey: #3E3A36;
  --color-medium-grey: #6B6560;
  --color-light-grey: #A39E98;
  --color-offwhite: #F0EDE8;
  --color-white: #FAF8F5;

  --color-accent: #8B7355;
  --color-accent-green: #6B8E5E;
  --color-accent-orange: #D4845A;
  
  /* Card colors (semi-transparent) */
  --color-card-blue: #277da1d7;
  --color-card-green: #90be6dd7;
  --color-card-orange: #f3722cd7;
  --color-card-yellow: #f9c74fd7;
  --color-card-pink: #f8961ed7;
  --color-card-purple: #577590d7;
  --color-card-red: #f94144d7;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Crimson Pro', Georgia, serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Light theme (default) */
:root,
[data-theme='light'] {
  --color-bg-primary: var(--color-white);
  --color-bg-secondary: var(--color-offwhite);
  --color-bg-tertiary: #E8E4DE;
  --color-bg-card: rgba(255, 255, 255, 0.9);
  
  /* Semantic aliases for components */
  --color-bg: var(--color-bg-primary);
  --color-text: var(--color-text-primary);

  --color-text-primary: var(--color-black);
  --color-text-secondary: var(--color-dark-grey);
  --color-text-tertiary: var(--color-medium-grey);
  --color-text-accent: var(--color-accent);
  
  --color-accent-hover: #7a6248;

  --color-border: #E0DCD6;
  --color-border-hover: #C9C4BC;
}

/* Dark theme */
[data-theme='dark'] {
  --color-bg-primary: #1C1A18;
  --color-bg-secondary: #252320;
  --color-bg-tertiary: #3A3632;
  --color-bg-card: rgba(40, 38, 35, 0.9);
  
  /* Semantic aliases for components */
  --color-bg: var(--color-bg-primary);
  --color-text: var(--color-text-primary);

  --color-text-primary: var(--color-offwhite);
  --color-text-secondary: var(--color-light-grey);
  --color-text-tertiary: #8A8580;
  --color-text-accent: #A6906E;
  
  --color-accent-hover: #b8a080;

  --color-border: #3A3632;
  --color-border-hover: #504B46;
}

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

/* Respect user motion preferences for smooth scroll */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.page {
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

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

h1 { font-size: var(--font-size-4xl); margin-bottom: var(--space-lg); }
h2 { font-size: var(--font-size-3xl); margin-bottom: var(--space-md); }
h3 { font-size: var(--font-size-2xl); margin-bottom: var(--space-md); }
h4 { font-size: var(--font-size-xl); margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  text-decoration: underline;
}

/* Buttons */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

button:hover, .btn:hover {
  background-color: var(--color-bg-tertiary);
}

.btn-primary {
  background-color: var(--color-text-accent);
  color: var(--color-white);
  border-color: var(--color-text-accent);
}

.btn-primary:hover {
  opacity: 0.9;
}

/* Forms */
input, select, textarea {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  height: 40px;
  line-height: 1.4;
}

input::placeholder {
  color: var(--color-text-tertiary);
  opacity: 0.8;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-text-accent);
  box-shadow: 0 0 0 3px rgba(139, 115, 85, 0.1);
}

select {
  appearance: auto;
  padding-right: var(--space-xl);
  cursor: pointer;
}

select option {
  padding: var(--space-sm);
}

/* Filter bar alignment */
.filter-bar input,
.filter-bar select {
  min-width: 160px;
  max-width: 100%;
}

.filter-bar input[type="text"] {
  min-width: 220px;
}

.filter-bar {
  align-items: center;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-bg-primary);
  border-bottom: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(-3deg) scale(1.05);
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-accent);
  text-decoration: none;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-bg-secondary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

[data-theme='dark'] .icon-sun { display: block; }
[data-theme='dark'] .icon-moon { display: none; }
[data-theme='light'] .icon-sun { display: none; }
[data-theme='light'] .icon-moon { display: block; }

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer h4 {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.footer a {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  display: block;
  padding: var(--space-xs) 0;
}

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

/* Cards */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Tables */
.table-container {
  overflow-x: auto;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-primary);
  font-size: var(--font-size-sm);
}

th {
  text-align: left;
  padding: var(--space-md);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-secondary);
  white-space: nowrap;
}

td {
  padding: var(--space-md);
  border-top: 1px solid var(--color-border);
}

tr:hover {
  background-color: var(--color-bg-secondary);
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-sm);
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Blog / Article */
.article {
  max-width: 720px;
  margin: 0 auto;
}

.article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin: var(--space-lg) 0;
}

.article h2 {
  margin-top: var(--space-2xl);
}

.article pre {
  background-color: var(--color-bg-secondary);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  overflow-x: auto;
  font-size: var(--font-size-sm);
}

.article code {
  background-color: var(--color-bg-secondary);
  padding: 0.125rem 0.25rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--color-text-accent);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* Filter buttons */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-btn {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  border-radius: 9999px;
  background-color: var(--color-bg-secondary);
  border: 1px solid transparent;
}

.filter-btn.active {
  background-color: var(--color-text-accent);
  color: var(--color-white);
}

/* Category badges */
.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
}

.badge-hike { background-color: var(--color-card-green); color: white; }
.badge-gear { background-color: var(--color-card-blue); color: white; }
.badge-thoughts { background-color: var(--color-card-purple); color: white; }

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-bg-tertiary);
  border-top-color: var(--color-text-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .header-inner {
    padding: 0 var(--space-md);
  }
  
  .nav {
    gap: var(--space-xs);
  }
  
  .nav-link {
    padding: var(--space-xs);
    font-size: 0.8rem;
  }
}

/* Mobile nav toggle */
.mobile-nav-toggle {
  display: none;
}

@media (max-width: 640px) {
  .mobile-nav-toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
  }

  .nav.open {
    display: flex;
  }
}

/* Utility classes */
.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;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }