/* OB Toolbox - Main Styles */
@import url('variables.css');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

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

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

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

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

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

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

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
}

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

/* Navigation */
.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
}

/* Language selector */
.language-selector {
  position: relative;
}

.language-selector select {
  appearance: none;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-xl) var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.language-selector select:hover,
.language-selector select:focus {
  border-color: var(--color-primary);
  outline: none;
}

.language-selector::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

/* Footer */
.footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--divider);
  padding: var(--space-xl) 0;
  margin-top: auto;
}

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

.footer-section h4 {
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.footer-section a {
  display: block;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--divider);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

/* 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-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* RTL Support for Arabic */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .header-content {
  flex-direction: row-reverse;
}

[dir="rtl"] .language-selector::after {
  right: auto;
  left: 12px;
}