.settings-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem;
    z-index: 2000;
    overflow-y: auto;
}

.settings-panel.active {
    right: 0;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.settings-header h2 {
    color: #1f2937;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: #ef4444;
    transform: rotate(90deg);
}

.setting-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.setting-item:hover {
    background: #f1f5f9;
    transform: translateX(5px);
}

.setting-item label {
    display: block;
    margin-bottom: 0.5rem;
    color: #374151;
    font-weight: 500;
}

.color-picker {
    display: flex;
    gap: 1rem;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}



.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #cbd5e1;
    transition: all 0.3s ease;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: all 0.3s ease;}

input:checked + .slider {
    background: #3b82f6;
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
}
.lang-btn.active {
    border-color: #3b82f6 !important;
    background: #eff6ff !important;
    font-weight: 500;
    position: relative;
}
.language-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.lang-btn:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
}

.lang-btn.active {
    border-color: #3b82f6;
    background: #eff6ff;
    font-weight: 500;
}
.lang-btn.active::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: #3b82f6;
    border-radius: 2px;
}