.settings-container {
    width: 100%;
    max-width: 800px;
    overflow-y: auto;
    max-height: calc(100vh - 160px);
    padding: 10px 4px 24px;
}

.settings-section {
    margin-bottom: 32px;
}

.settings-section h3 {
    color: var(--sub);
    font-size: 11px;
    font-weight: 500;
    text-transform: lowercase;
    margin-bottom: 14px;
    letter-spacing: 0.1em;
    font-family: var(--font);
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
    gap: 10px;
}

.theme-card {
    padding: 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--bg-secondary);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.theme-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}

.theme-card.active {
    border-color: var(--accent);
    box-shadow:
        0 0 0 1px var(--accent-glow),
        0 4px 20px rgba(0, 0, 0, 0.2);
}

.theme-card.active:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow:
        0 0 0 3px var(--accent-glow),
        0 8px 28px rgba(0, 0, 0, 0.28);
}

.theme-preview {
    display: flex;
    gap: 4px;
    height: 20px;
    border-radius: 4px;
    overflow: hidden;
}

.theme-preview-color {
    flex: 1;
    border-radius: 3px;
}

.theme-name {
    font-size: 12px;
    color: inherit;
    letter-spacing: 0.02em;
    font-family: var(--font);
}

.font-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}

.font-card {
    padding: 13px 18px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--bg-secondary);
    transition: var(--transition-smooth);
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    font-size: 14px;
}

.font-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
}

.font-card.active {
    border-color: var(--accent);
    box-shadow:
        0 0 0 1px var(--accent-glow),
        0 4px 16px rgba(0, 0, 0, 0.2);
}

.font-card.active:hover {
    box-shadow:
        0 0 0 3px var(--accent-glow),
        0 6px 20px rgba(0, 0, 0, 0.22);
}

.font-size-control {
    display: flex;
    align-items: center;
    gap: 20px;
}

.font-size-control input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.font-size-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 0 3px var(--accent-glow);
    transition: var(--transition-smooth);
}

.font-size-control input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 6px var(--accent-glow);
    transform: scale(1.15);
}

.font-size-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#font-size-value {
    color: var(--accent);
    font-size: 14px;
    min-width: 44px;
    font-weight: 600;
    text-shadow: 0 0 16px var(--accent-glow);
    transition: var(--transition-smooth);
}

.caret-options,
.toggle-group,
.lang-options {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.sound-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px;
}

.sound-type-card {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--bg-secondary);
    transition: var(--transition-smooth);
    color: var(--sub);
    font-family: var(--font);
    font-size: 13px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    letter-spacing: 0.02em;
}

.sound-type-card:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.sound-type-card.active {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-bg);
    box-shadow:
        0 0 0 1px var(--accent-glow),
        0 4px 16px rgba(0, 0, 0, 0.2);
}