/* ============ Mobile Sidebar Menu (Base Styles) ============ */

.sidebar-menu {
  position: fixed;
  top: 0;
  left: 0; /* Always docked at left edge */
  width: 280px;
  height: 100%;
  background: var(--bg-secondary);
  z-index: 2000;
  transform: translateX(-100%); /* Hidden via transform - hardware accelerated */
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform; /* Hint browser for optimization */
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 20px rgba(0,0,0,0.2);
  /* visibility removed - sidebar always rendered */
}

.sidebar-menu.active {
  transform: translateX(0); /* Slide in */
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start; /* Align items to top */
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  height: calc(var(--nav-height, 48px) + var(--banner-height, 35px)); /* Combined height of navbar + banner */
  box-sizing: border-box;
}

.sidebar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-top: 0; /* Align to top */
}

.sidebar-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0; /* Remove padding for precise positioning */
  margin-top: 0; /* Align to top */
}

.sidebar-links {
  list-style: none;
  padding: 20px;
  margin: 0;
  overflow-y: auto;
}

.sidebar-links li {
  margin-bottom: 15px;
}

.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  padding: 10px;
  border-radius: 10px;
  transition: background 0.2s ease;
}

.sidebar-links a:hover,
.sidebar-links a.active {
  background: var(--card-bg);
  color: var(--accent);
}

.sidebar-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.settings-btn-container {
  margin-top: auto;
  padding: 20px;
  border-top: 1px solid var(--border);
}

.mobile-search-icon:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.mobile-search-icon:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.mobile-search-icon-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: var(--icon-filter);
  transition: transform 0.3s ease;
}

.mobile-search-icon:hover .mobile-search-icon-img {
  transform: scale(1.1);
}

/* Mobile search icon theme filters */
.mobile-search-icon-img {
  filter: brightness(0.9) contrast(1.05);
}
[data-theme="light"] .mobile-search-icon-img {
  filter: brightness(0.6) contrast(1.1);
}
[data-theme="dark"] .mobile-search-icon-img {
  filter: brightness(1) contrast(1.1);
}

/* ==================== Menu Icon (Hamburger) ==================== */
.menu-icon {
  order: 1;
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  display: none; /* Hidden by default, shown in media queries */
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  transition: all 0.3s ease;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  flex-shrink: 0;
  box-sizing: border-box;
}

@media (hover: hover) {
  .menu-icon:hover {
    border-color: transparent;
    background: transparent;
    transform: scale(1.1);
  }
  .menu-icon:hover .menu-icon-img {
    transform: scale(1.1);
  }
}

.menu-icon:active {
  transform: scale(0.95);
}

.menu-icon:focus-visible {
  outline: none;
  box-shadow: none;
}

.menu-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: var(--icon-filter);
  transition: transform 0.3s ease;
}

.menu-icon-text {
  font-size: 20px;
  line-height: 1;
  display: inline-block;
}

/* ==================== Sidebar Menu (Mobile Only) ==================== */
/* Hide scrollbar for sidebar */
.sidebar-menu::-webkit-scrollbar {
  width: 0;
  display: none;
}

.sidebar-menu::-webkit-scrollbar-thumb {
  background: transparent;
}

.sidebar-menu::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #3b82f6, #06b6d4, #10b981, #f59e0b, #ec4899, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  padding: 6px 0; /* Match vertical padding of close button */
  line-height: 1; /* Match line-height of close button */
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}

/* Ensure nested elements inherit the gradient */
.sidebar-logo strong,
.sidebar-logo i {
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.sidebar-close {
  background: var(--card-bg);
  border: 1px solid var(--border);
  font-size: 1.2rem; /* Reduced from 1.5rem for better spacing */
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.3s ease;
  line-height: 1;
  outline: none;
  margin-top: 0; /* Align to top, removed overlap offset */
  box-sizing: border-box; /* Ensure consistent sizing */
}

.sidebar-close:hover {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent);
}

.sidebar-links {
  list-style: none;
  padding: 16px 0;
  flex-shrink: 0;
}

.sidebar-links li {
  margin: 0;
}

.sidebar-links a {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  padding: 14px 25px;
  font-weight: 500;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
}

.sidebar-links a:hover {
  background: var(--card-bg);
  border-left-color: var(--accent);
  padding-left: 30px;
  color: var(--accent);
}

.sidebar-links a:active {
  background: var(--accent-glow);
}

.sidebar-links a.active {
  background: var(--card-bg);
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Sidebar Icons */
.sidebar-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  object-fit: contain;
  vertical-align: middle;
  transition: filter 0.3s ease, transform 0.2s ease;
}

[data-theme="dark"] .sidebar-icon {
  filter: brightness(1.2) contrast(1.1);
}

[data-theme="light"] .sidebar-icon {
  filter: brightness(0.3) contrast(1.2);
}

.sidebar-links a:hover .sidebar-icon {
  transform: scale(1.1);
  filter: brightness(1) contrast(1.2);
}

.sidebar-links a.active .sidebar-icon {
  filter: brightness(1) contrast(1.2);
}

/* Sidebar Overlay */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1000;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==================== Settings Button in Sidebar (Mobile Only) ==================== */
.settings-btn-container {
  padding: 0;
  margin-top: auto;
  width: 100%;
  flex-shrink: 0;
}

.settings-btn {
  width: 100%;
  padding: 18px 25px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  text-align: left;
  font-weight: 500;
  min-height: 56px;
  box-sizing: border-box;
}

.settings-btn:hover {
  background: var(--card-bg);
  color: var(--accent);
}

.settings-btn:active {
  background: var(--accent-glow);
  transform: scale(0.98);
}

.settings-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}