/* css/components.css */

/* --- HEADER --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;  
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-desktop-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  transition: color 0.2s;
  color: var(--text-muted);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button (Minimalist) */
.theme-toggle {
  background: var(--glass-bg, rgba(255,255,255,0.03)); 
  border: 1px solid var(--glass-border, rgba(255,255,255,0.05)); 
  width: 38px;
  height: 38px;
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center;
  cursor: pointer; 
  color: var(--text-muted); 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
}

[data-theme="light"] .theme-toggle {
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
}

.theme-toggle:hover {
  background: rgba(255,255,255,0.08);
  transform: rotate(15deg) scale(1.05);
  color: var(--primary);
}

[data-theme="light"] .theme-toggle:hover {
  background: rgba(0,0,0,0.05);
  color: var(--primary);
}

.theme-moon-icon, .theme-sun-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-moon-icon { display: none; }
.theme-sun-icon { display: block; }
[data-theme="dark"] .theme-moon-icon { display: block; }
[data-theme="dark"] .theme-sun-icon { display: none; }

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
}

/* --- MOBILE MENU OVERLAY --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-gradient);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.mobile-menu-content {
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-menu-content .nav-link {
  font-size: 1.25rem;
}

/* Responsive visibility */
@media (max-width: 768px) {
  .header-desktop-actions {
    display: none;
  }
  .nav-links, .header-actions {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0;
  background: var(--glass-bg);
  margin-top: 5rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  margin-top: 2rem;
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
}

@media (max-width: 768px) {
  .footer > .container {
    flex-direction: column !important;
    text-align: center;
    gap: 1.5rem !important;
  }
}

/* --- SIDEBAR CATEGORIES --- */
.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-section-label {
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}