/* ==========================================================================
   NORTHSTAR COMMERCE - LAYOUT STYLES
   ========================================================================== */

/* Announcement Bar */
.announcement-bar {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-2xs);
  letter-spacing: 0.06em;
  font-weight: 500;
  min-height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: var(--z-sticky);
  padding: 4px var(--space-4);
  text-align: center;
}

.announcement-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  overflow: hidden;
  white-space: nowrap;
}

.announcement-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.announcement-code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.18);
  padding: 1px 6px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.announcement-code:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-header);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

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

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
}

.brand-symbol {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Desktop Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-xs);
  color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.action-btn:hover {
  background-color: var(--color-bg-alt);
}

.action-btn svg {
  width: 20px;
  height: 20px;
}

.badge-count {
  position: absolute;
  top: 3px;
  right: 3px;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: 0.625rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.badge-count.pop {
  transform: scale(1.3);
}

.mobile-nav-toggle {
  display: none;
}

/* Mobile Navigation Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background-color: var(--color-surface);
  z-index: var(--z-drawer);
  padding: var(--space-6);
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

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

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  flex: 1;
  overflow-y: auto;
}

.mobile-nav-link {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
}

.mobile-nav-footer {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Main Content Area */
#app-main {
  flex: 1;
  min-height: calc(100vh - var(--header-height) - var(--announcement-height) - 400px);
}

/* Site Footer */
.site-footer {
  background-color: #0e0f12;
  color: #a4a9b6;
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
  border-top: 1px solid #23262e;
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.125rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  color: #8c919e;
  font-size: var(--text-sm);
  max-width: 340px;
  line-height: 1.6;
}

.footer-col h4 {
  color: #ffffff;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  font-weight: 600;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a, .footer-col button {
  color: #8c919e;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
  text-align: left;
  padding: 0;
}

.footer-col a:hover, .footer-col button:hover {
  color: #ffffff;
}

.footer-newsletter p {
  color: #8c919e;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.newsletter-input {
  background-color: #1a1c22;
  border: 1px solid #2c303a;
  color: #ffffff;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-xs);
  flex: 1;
  outline: none;
}

.newsletter-input:focus {
  border-color: #ffffff;
}

.newsletter-btn {
  background-color: #ffffff;
  color: #0e0f12;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  transition: background-color var(--transition-fast);
  min-height: 44px;
}

.newsletter-btn:hover {
  background-color: #e5e5e5;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid #20232a;
  font-size: var(--text-xs);
  color: #6a6f7c;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-bottom button, .footer-bottom a {
  color: #6a6f7c;
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.footer-bottom button:hover, .footer-bottom a:hover {
  color: #a4a9b6;
}

/* Backdrop Overlay */
.backdrop-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(18, 19, 22, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.backdrop-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Responsive Layout Breakpoints */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: inline-flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 640px) {
  .announcement-bar {
    font-size: 10.5px;
    padding: 6px 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  .footer-bottom-links {
    justify-content: center;
    gap: var(--space-4);
  }
  .newsletter-form {
    flex-direction: column;
  }
}