.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    outline: none;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
}

.dropdown:hover .dropdown-btn>span::after,
.dropdown.open .dropdown-btn>span::after {
    transform: rotate(180deg);
}

.dropdown-content {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    position: absolute;
    background-color: rgba(8, 8, 8, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    min-width: 195px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.08);
    z-index: 999999;
    top: calc(100% + 6px);
    left: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-direction: column;
    padding: 6px 0;
    margin-top: 0;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 0.16s ease, transform 0.16s cubic-bezier(0.23, 1, 0.32, 1), visibility 0.16s;
    display: flex;
    border-radius: 8px;
}

.dropdown-content::before {
    content: "";
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: transparent;
    display: block;
}

.dropdown-content .dropdown-tab {
    margin: 0;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transform: none;
    padding: 12px 18px;
    background: transparent;
    font-size: 0.75rem;
    height: auto;
    width: 100%;
    text-align: left;
    justify-content: flex-start;
    transition: background 0.15s ease, color 0.15s ease, padding-left 0.12s ease;
    box-sizing: border-box;
    position: relative;
    letter-spacing: 1px;
    border-radius: 0;
}

.dropdown-btn span {
    font-size: 1em;
    letter-spacing: inherit;
}

.dropdown-btn span .dropdown-arrow,
.dropdown .dropdown-btn>span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.dropdown .tab.dropdown-btn {
    letter-spacing: calc(1px * var(--header-scale));
}

.dropdown-content .dropdown-tab:last-child {
    border-bottom: none;
}

.dropdown-content .dropdown-tab:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: none;
    padding-left: 26px;
    color: #fff;
}

.dropdown-content .dropdown-tab::after {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1px;
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.dropdown-content .dropdown-tab:hover::after {
    opacity: 1;
}

.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-content {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

body.left-sidebar-mode .dropdown {
    width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

body.left-sidebar-mode .dropdown-content {
    top: 0;
    left: calc(100% + 6px);
    transform: translateX(-8px) scale(0.98);
    transition: opacity 0.16s ease, transform 0.16s cubic-bezier(0.23, 1, 0.32, 1), visibility 0.16s;
    margin-top: 0;
    margin-left: 0;
    min-width: 175px;
    width: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

body.left-sidebar-mode .dropdown:hover .dropdown-content,
body.left-sidebar-mode .dropdown.open .dropdown-content {
    transform: translateX(0) scale(1);
}

body.left-sidebar-mode .dropdown-content::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -8px;
    width: 8px;
    background: transparent;
    display: block;
}

body.left-sidebar-mode .dropdown-btn {
    width: 88%;
}

body.left-sidebar-mode .dropdown-content .dropdown-tab {
    justify-content: flex-start;
    text-align: left;
    width: 100%;
    padding: 15px 20px;
    transition: background 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
}

body.left-sidebar-mode .dropdown-content .dropdown-tab:hover {
    padding-left: 26px;
}

body.left-sidebar-mode .dropdown-content .dropdown-tab::after {
    display: block;
    content: '';
}

body.left-sidebar-mode .mobile-controls-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 10px 14px;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    order: -1;
}

body.left-sidebar-mode .header-actions {
    display: flex;
    flex-direction: row;
    gap: 8px;
    justify-content: center;
    width: 100%;
}

body.left-sidebar-mode .header-icon-btn {
    width: 34px;
    height: 34px;
    border-radius: 20px;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.45);
}

body.left-sidebar-mode .header-icon-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.1);
}

body.left-sidebar-mode #settings-toggle.header-icon-btn {
    position: static;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    transform: none;
    z-index: auto;
}