/**
 * header-footer.css - Header/Footer共通スタイル
 */

/* ========================================
   Header
======================================== */
.site-header {
  background: linear-gradient(135deg, var(--mhw-brown) 0%, var(--mhw-brown-dark) 100%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--mhw-brown-light);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--mhw-orange);
  font-size: 1.5rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.site-logo:hover {
  color: var(--mhw-gold);
  transform: scale(1.05);
}

.logo-icon {
  font-size: 2rem;
}

.logo-text {
  white-space: nowrap;
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.main-nav .nav-link {
  color: var(--mhw-text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: 500;
  white-space: nowrap;
}

.main-nav .nav-link:hover {
  background: rgba(233, 69, 96, 0.1);
  color: var(--mhw-orange);
}

.main-nav .nav-link.active {
  background: rgba(233, 69, 96, 0.2);
  color: var(--mhw-orange);
  border-bottom: 2px solid var(--mhw-orange);
}

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-email {
  color: var(--mhw-text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.btn-logout {
  background: rgba(233, 69, 96, 0.1);
  color: var(--mhw-orange);
  border: 1px solid var(--mhw-orange);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  white-space: nowrap;
}

.btn-logout:hover {
  background: var(--mhw-orange);
  color: white;
}

/* ========================================
   Footer
======================================== */
.site-footer {
  background: var(--mhw-brown);
  color: var(--mhw-text-muted);
  padding: 2rem 0;
  margin-top: 4rem;
  border-top: 2px solid var(--mhw-brown-light);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-copyright {
  margin: 0;
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  color: var(--mhw-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--mhw-orange);
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: #888;
  margin: 0;
  line-height: 1.6;
}

/* ========================================
   Toast Notifications
======================================== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 300px;
  max-width: 400px;
  opacity: 0;
  transform: translateX(400px);
  transition: all 0.3s ease;
  border-left: 4px solid var(--mhw-brown-light);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-success {
  border-left-color: #4caf50;
  color: #2e7d32;
  background: #e8f5e9;
}

.toast-error {
  border-left-color: #f44336;
  color: #c62828;
  background: #ffebee;
}

.toast-info {
  border-left-color: #2196f3;
  color: #1565c0;
  background: #e3f2fd;
}

/* ========================================
   Loading Overlay
======================================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 1rem;
  z-index: 10000;
}

.loading-spinner {
  border: 4px solid rgba(233, 69, 96, 0.3);
  border-top: 4px solid var(--mhw-orange);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-message {
  color: white;
  font-size: 1.1rem;
  margin: 0;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
  .header-container {
    padding: 0.75rem 1rem;
    gap: 1rem;
  }

  .site-logo {
    font-size: 1.2rem;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .main-nav .nav-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }

  .user-menu {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .user-email {
    font-size: 0.8rem;
  }

  .btn-logout {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }

  .site-footer {
    padding: 1.5rem 1rem;
  }

  .footer-container {
    padding: 0;
  }

  .footer-nav {
    gap: 0.75rem;
    font-size: 0.85rem;
    flex-wrap: wrap;
  }

  .toast {
    min-width: 250px;
    max-width: 90vw;
  }

  .toast-container {
    right: 10px;
    left: 10px;
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  .header-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .site-logo {
    justify-content: center;
  }

  .main-nav {
    justify-content: center;
  }

  .user-menu {
    flex-direction: column;
    width: 100%;
  }

  .btn-logout {
    width: 100%;
    text-align: center;
  }

  .footer-nav {
    flex-direction: column;
    align-items: center;
  }
}