/* ==========================================================================
   DealPick - Common & Layout Styles
   ========================================================================== */

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  display: flex;
  flex-direction: column;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

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

/* Container */
.container {
  width: min(100% - 64px, var(--content-max-width));
  margin-inline: auto;
}

@media (max-width: 1024px) {
  .container {
    width: min(100% - 48px, var(--content-max-width));
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 32px, var(--content-max-width));
  }
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-header);
}

.header-inner {
  height: var(--header-height-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo img {
  height: 32px;
  width: auto;
}

/* Main Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

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

.header-search-form {
  position: relative;
  width: 260px;
}

.header-search-input {
  width: 100%;
  height: 40px;
  padding: 0 40px 0 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--color-text);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.header-search-input:focus {
  background-color: #FFFFFF;
  border-color: var(--color-primary);
}

.header-search-button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border-radius: 50%;
  transition: color var(--transition-fast);
}

.header-search-button:hover {
  color: var(--color-primary);
}

/* Mobile Header Hamburger */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  color: var(--color-text);
}

/* Mobile Drawer Navigation */
.mobile-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.mobile-drawer-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--color-background);
  z-index: 1002;
  box-shadow: -4px 0 16px rgba(0,0,0,0.1);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-nav-link {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

/* Responsive Header */
@media (max-width: 860px) {
  .site-header .header-inner {
    height: var(--header-height-mobile);
  }

  .site-nav {
    display: none;
  }

  .header-search-form {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Main Content Area */
.main-content {
  flex: 1 0 auto;
  padding-bottom: var(--space-12);
}

@media (max-width: 600px) {
  .main-content {
    /* 하단 바텀 네비게이션 높이 고려 */
    padding-bottom: calc(var(--bottom-nav-height) + var(--space-8));
  }
}

/* Mobile Bottom Navigation */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.04);
}

.bottom-nav-inner {
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-text-secondary);
  font-size: 11px;
  font-weight: 500;
  flex: 1;
  height: 100%;
}

.bottom-nav-item.active {
  color: var(--color-primary);
  font-weight: 700;
}

.bottom-nav-icon {
  font-size: 18px;
}

@media (max-width: 600px) {
  .bottom-nav {
    display: block;
  }
}

/* Section Headings */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.section-more-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: transform var(--transition-fast);
}

.section-more-link:hover {
  transform: translateX(3px);
}

/* Affiliate Disclosure Banner */
.affiliate-notice-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-10) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.affiliate-notice-icon {
  font-size: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Site Footer */
.site-footer {
  background-color: #FAFAFA;
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) 0 var(--space-12);
  color: var(--color-text-secondary);
  font-size: 13px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.footer-brand h2 {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.footer-brand p {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  align-items: center;
}

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

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: 12px;
}