/* Language Picker Dropdown — Upgraded */
.lang-picker {
    position: relative;
    z-index: 60;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(30,41,59,0.6);
    backdrop-filter: blur(8px);
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 13px;
    color: #94a3b8;
    font-weight: 600;
}

.lang-btn:hover {
    border-color: rgba(59,130,246,0.4);
    background: rgba(30,41,59,0.9);
    color: #e2e8f0;
    box-shadow: 0 0 12px -3px rgba(59,130,246,0.25);
}

.lang-btn .flag { font-size: 16px; }
.lang-btn .arrow {
    font-size: 10px;
    transition: transform 0.25s ease;
    margin-left: 2px;
}
.lang-picker.open .lang-btn .arrow { transform: rotate(180deg); }

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(15,23,42,0.97);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 6px;
    display: none;
    min-width: 210px;
    max-height: 380px;
    overflow-y: auto;
    box-shadow: 0 20px 60px -10px rgba(0,0,0,0.6);
    animation: dropIn 0.2s ease;
    scrollbar-width: thin;
    scrollbar-color: rgba(59,130,246,0.2) transparent;
}

.lang-dropdown::-webkit-scrollbar { width: 4px; }
.lang-dropdown::-webkit-scrollbar-track { background: transparent; }
.lang-dropdown::-webkit-scrollbar-thumb { background: rgba(59,130,246,0.2); border-radius: 4px; }

@keyframes dropIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.lang-picker.open .lang-dropdown { display: block; }

/* Search input */
.lang-search {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    background: rgba(30,41,59,0.5);
    color: #e2e8f0;
    font-size: 12px;
    font-weight: 500;
    outline: none;
    margin-bottom: 4px;
    transition: border-color 0.2s;
}

.lang-search::placeholder { color: #475569; }
.lang-search:focus { border-color: rgba(59,130,246,0.4); }

/* Group labels */
.lang-dropdown .lang-group-label {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #475569;
    padding: 8px 10px 4px;
}

/* Language option */
.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 13px;
    color: #94a3b8;
    font-weight: 500;
    position: relative;
}

.lang-option:hover {
    background: rgba(59,130,246,0.1);
    color: #e2e8f0;
}

.lang-option.active {
    background: rgba(59,130,246,0.15);
    color: #60a5fa;
}

.lang-option.active::before {
    content: '';
    position: absolute;
    right: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3b82f6;
    box-shadow: 0 0 8px rgba(59,130,246,0.6);
}

.lang-option .flag { font-size: 18px; }
.lang-option .label { flex: 1; }

.lang-divider {
    height: 1px;
    background: rgba(255,255,255,0.05);
    margin: 4px 8px;
}

/* Mobile bottom sheet */
@media (max-width: 640px) {
    .lang-dropdown {
        min-width: 180px;
        max-height: 320px;
    }
}