/* ClaireMed Component Library CSS */
/* Reusable components styled with design tokens */

/* ============================================================================
   BASE STYLES
   ============================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-textDark);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-textDark);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

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

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

/* ============================================================================
   LAYOUT
   ============================================================================ */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ============================================================================
   HEADER
   ============================================================================ */

.header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  font-size: 18px;
}

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

.nav-link {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: 14px;
  color: var(--color-textDark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-primaryBg);
  color: var(--color-primary);
}

.nav-link.active {
  background: var(--color-primaryBg);
  color: var(--color-primary);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-textDark);
  cursor: pointer;
  padding: var(--spacing-xs);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-sm);
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
  }
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primaryBg) 0%, var(--color-bg) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero-title {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-textDark);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--color-textMedium);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl) auto;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-align: center;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primaryLight);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn-accent:hover {
  background: var(--color-accentLight);
  color: var(--color-white);
}

.btn-large {
  padding: 18px 36px;
  font-size: 18px;
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primaryBg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 28px;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-textDark);
}

.card-body {
  color: var(--color-textMedium);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.card-link:hover {
  color: var(--color-primaryLight);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-heading);
  font-size: var(--font-size-badge);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-warning {
  background: var(--color-warningLight);
  color: var(--color-warning);
}

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

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

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: 14px;
  margin-bottom: var(--spacing-xs);
  color: var(--color-textDark);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-textDark);
  background: var(--color-white);
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primaryBg);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
}

.form-helper {
  color: var(--color-mutedText);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
}

.form-checkbox,
.form-radio {
  margin-right: var(--spacing-xs);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  background: var(--color-bgDark);
  border-top: 1px solid var(--color-divider);
  padding: var(--footer-padding);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--color-textDark);
}

.footer-link {
  display: block;
  color: var(--color-textMedium);
  margin-bottom: var(--spacing-sm);
  font-size: 14px;
}

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-divider);
  text-align: center;
  color: var(--color-mutedText);
  font-size: var(--font-size-small);
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.text-muted { color: var(--color-mutedText); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.bg-primary { background: var(--color-primary); }
.bg-primaryLight { background: var(--color-primaryBg); }
.bg-white { background: var(--color-white); }

/* ============================================================================
   RESPONSIVE UTILITIES
   ============================================================================ */

@media (max-width: 768px) {
  :root {
    --font-size-h1: 32px;
    --font-size-h2: 28px;
    --font-size-h3: 22px;
    --container-padding: 20px;
    --section-padding: 24px;
  }

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