.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-out);
}

.sidebar-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: min(86vw, 340px);
    background: linear-gradient(180deg, rgba(22, 22, 28, 0.94) 0%, rgba(14, 14, 18, 0.94) 100%);
    z-index: 210;
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-out);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-default);
    padding-top: var(--safe-area-top);
    pointer-events: none;
    visibility: hidden;
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.4);
}

.sidebar.show {
    transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
}

.sidebar-header {
    padding: var(--space-6) var(--space-6) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-shrink: 0;
    position: relative;
}

.sidebar-header::after {
    content: '';
    position: absolute;
    left: var(--space-6);
    right: var(--space-6);
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-default), transparent);
}

.sidebar-header h2 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-close-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    cursor: pointer;
    padding: 0;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
    flex-shrink: 0;
}

.sidebar-close-btn:hover {
    opacity: 1;
    background: var(--bg-glass-strong);
}

.sidebar-close-btn:active {
    transform: scale(0.9);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5) var(--space-6) calc(var(--space-7) + var(--safe-area-bottom));
    overscroll-behavior: contain;
}

.sidebar-content::-webkit-scrollbar {
    width: 0;
}

.setting-group {
    margin-bottom: var(--space-7);
}

.setting-group h3 {
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
    margin-bottom: var(--space-3);
    padding: 0 var(--space-2);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: 14.5px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}

.setting-item:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-default);
}

.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.16);
    transition: background var(--duration-base) var(--ease-out);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle);
}

.slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    background-color: white;
    transition: transform var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.switch input:checked + .slider {
    background-color: var(--accent);
    border-color: transparent;
}

.switch input:checked + .slider::before {
    transform: translate(20px, -50%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.action-btn {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 12px var(--space-4);
    border-radius: var(--radius-md);
    width: 100%;
    text-align: left;
    font-size: 14.5px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: var(--space-2);
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.action-btn:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-default);
}

.action-btn:active {
    transform: scale(0.98);
}

.text-btn {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast) var(--ease-out);
}

.text-btn:hover {
    background: var(--accent-soft);
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13.5px;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.shortcut-item span:first-child {
    background: rgba(255, 255, 255, 0.08);
    padding: 3px var(--space-2);
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.search-box {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    transition: border-color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.search-box:focus-within {
    border-color: var(--accent);
    background: var(--bg-glass-strong);
}

.search-box input {
    width: 100%;
    padding: 6px var(--space-2);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-mode-toggle {
    display: flex;
    gap: 4px;
    margin-top: var(--space-2);
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-sm);
    padding: 3px;
    border: 1px solid var(--border-subtle);
}

.search-mode-btn {
    flex: 1;
    padding: 6px 0;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 12.5px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.search-mode-btn:hover {
    color: var(--text-primary);
}

.search-mode-btn.active {
    background: var(--accent);
    color: white;
}

.search-results {
    margin-top: var(--space-3);
    max-height: 300px;
    overflow-y: auto;
}

.search-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-2) var(--space-2);
    font-size: 12px;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-2);
}

.search-clear-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    width: 24px;
    height: 24px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.search-clear-btn:hover,
.search-clear-btn:active {
    opacity: 1;
    background: var(--bg-glass-strong);
}

.search-result-item {
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
    margin-bottom: 4px;
    border: 1px solid transparent;
}

.search-result-item:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-subtle);
}

.search-result-item .result-title {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-item .result-sub {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-results::-webkit-scrollbar {
    width: 4px;
}

.search-results::-webkit-scrollbar-track {
    background: transparent;
}

.search-results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 2px;
}

.speed-menu {
    position: fixed;
    background: rgba(20, 20, 26, 0.95);
    border-radius: var(--radius-md);
    padding: 6px;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.18s var(--ease-out);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid var(--border-default);
    min-width: 90px;
}

.speed-menu-item {
    padding: 9px var(--space-4);
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 13.5px;
    font-weight: 500;
    transition: background var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}

.speed-menu-item:hover {
    background: var(--bg-glass-strong);
}

.speed-menu-item.active {
    color: var(--accent);
    background: var(--accent-soft);
}