/**
 * The Language Hub - Component Styles
 * Buttons, Cards, Forms, Header, Footer
 * All classes from component-registry.json
 *
 * @version 1.0.0
 */

/* ============================================
 * BUTTONS - Component Registry Classes
 * ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--button-height);
  padding: 0 var(--button-padding-x);
  font-family: var(--font-heading);
  font-size: var(--button-font-size);
  font-weight: var(--button-font-weight);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--button-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

/* Primary Button - Fel Geel */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-accent);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-on-accent);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-hover);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button - White border */
.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.btn-secondary:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

/* Outline Button - Yellow border */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-on-accent);
  transform: translateY(-2px);
}

/* Ghost Button - No border */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
  padding: 0 var(--space-3);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
}

/* Button Sizes */
.btn-sm {
  height: var(--button-height-sm);
  padding: 0 var(--button-padding-x-sm);
  font-size: var(--font-size-sm);
  border-radius: 6px;
}

.btn-lg {
  height: var(--button-height-lg);
  padding: 0 var(--button-padding-x-lg);
  font-size: var(--font-size-lg);
  border-radius: 10px;
}

/* Full width button */
.btn-full {
  width: 100%;
}

/* Button with icon */
.btn svg,
.btn-icon {
  width: 20px;
  height: 20px;
  margin-left: var(--space-2);
  transition: transform var(--transition-base);
}

.btn:hover svg,
.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ============================================
 * HEADER - Component Registry Classes
 * ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: all var(--transition-base);
}

.site-header.header--scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

@media (min-width: 768px) {
  .header-inner {
    padding: 0 var(--container-padding-tablet);
  }
}

@media (min-width: 1024px) {
  .header-inner {
    padding: 0 var(--container-padding-desktop);
  }
}

/* Logo */
.site-logo-link {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-logo-link:hover {
  color: var(--color-text-primary);
}

.site-logo {
  height: 40px;
  width: auto;
}

.logo-text {
  color: var(--color-text-primary);
}

.logo-accent {
  color: var(--color-primary);
  margin-left: var(--space-1);
}

/* Primary Navigation */
.primary-nav {
  display: none;
}

@media (min-width: 1024px) {
  .primary-nav {
    display: flex;
    align-items: center;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link--active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-1);
  background: none;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-mobile-nav) + 1);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger animation when open */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  z-index: var(--z-mobile-nav);
  overflow-y: auto;
  padding: var(--space-6) var(--container-padding-mobile);
}

@media (min-width: 768px) {
  .mobile-nav {
    top: var(--header-height);
  }
}

.mobile-nav--open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-divider);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  padding: var(--space-3) 0;
  transition: color var(--transition-fast);
}

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

/* Body lock when nav open */
body.nav-open {
  overflow: hidden;
}

/* ============================================
 * FOOTER - Component Registry Classes
 * ============================================ */

.site-footer {
  background-color: var(--color-bg-secondary);
  padding: var(--section-padding-mobile) 0 var(--space-6);
}

@media (min-width: 768px) {
  .site-footer {
    padding: var(--space-15) 0 var(--space-6);
  }
}

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

@media (min-width: 768px) {
  .footer-inner {
    padding: 0 var(--container-padding-tablet);
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    padding: 0 var(--container-padding-desktop);
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.footer-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

/* Footer Bottom */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Social Links */
.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-elevated);
  border-radius: var(--border-radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--color-primary);
  color: var(--color-text-on-accent);
}

.footer-social-link svg {
  width: 20px;
  height: 20px;
}

/* Newsletter */
.footer-newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.footer-newsletter-input {
  flex: 1;
  height: var(--input-height);
  padding: 0 var(--input-padding-x);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--input-radius);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.footer-newsletter-input::placeholder {
  color: var(--color-text-tertiary);
}

.footer-newsletter-input:focus {
  border-color: var(--color-primary);
}

.footer-newsletter-btn {
  height: var(--input-height);
  padding: 0 var(--space-3);
  background: var(--color-primary);
  border: none;
  border-radius: var(--input-radius);
  color: var(--color-text-on-accent);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.footer-newsletter-btn:hover {
  background: var(--color-primary-hover);
}

/* ============================================
 * CARDS - Component Registry Classes
 * ============================================ */

.card {
  background: var(--color-bg-secondary);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  transition: all var(--transition-base);
}

.card--dark {
  background: var(--color-bg-elevated);
}

.card--elevated:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.card-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.card-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-3);
}

/* ============================================
 * FORMS - Component Registry Classes
 * ============================================ */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  height: var(--input-height);
  padding: var(--input-padding-y) var(--input-padding-x);
  background: var(--color-bg-elevated);
  border: var(--input-border-width) solid var(--color-border);
  border-radius: var(--input-radius);
  color: var(--color-text-primary);
  font-size: var(--input-font-size);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23AFAFAF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2) center;
  padding-right: var(--space-6);
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* Radio */
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

/* Error state */
.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

/* Success state */
.form-success {
  font-size: var(--font-size-sm);
  color: var(--color-success);
  margin-top: var(--space-1);
}

/* Form hint */
.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* Submit button container */
.form-submit {
  margin-top: var(--space-6);
}

/* ============================================
 * ICONS - Component Registry Classes
 * ============================================ */

.icon {
  width: 24px;
  height: 24px;
  display: inline-block;
  vertical-align: middle;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-md {
  width: 24px;
  height: 24px;
}

.icon-lg {
  width: 32px;
  height: 32px;
}

/* ============================================
 * DIVIDERS
 * ============================================ */

.divider {
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-8) 0;
}

.divider-urban {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-primary) 50%,
    transparent 100%
  );
  margin: var(--space-8) 0;
}