.settings-container {
    position: relative;
    z-index: 2;
    width: min(900px, 92%);
    margin: 2rem auto;
    padding: 2rem;
    animation: fadeInUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.settings-container h1 {
    text-align: center;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.settings-section {
    background:
      linear-gradient(180deg,
        rgba(var(--secondary-bg-color-rgb), 0.9),
        rgba(var(--main-bg-color-rgb), 0.9));
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    border-radius: 18px;
    padding: 1.75rem;
    box-shadow:
      0 12px 36px rgba(0, 0, 0, 0.4),
      0 0 20px rgba(var(--accent-color-rgb), 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: box-shadow 0.3s ease,
                border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.settings-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--accent-color),
        transparent);
    opacity: 0.5;
}

.settings-section:hover {
    border-color: rgba(var(--accent-color-rgb), 0.3);
    box-shadow:
      0 12px 36px rgba(0, 0, 0, 0.4),
      0 0 20px rgba(var(--accent-color-rgb), 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.settings-section h2 {
    color: var(--accent-color);
    font-size: 1.35rem;
    margin: 0 0 1.25rem 0;
    text-shadow: 0 0 8px rgba(var(--accent-color-rgb), 0.4);
    font-weight: 700;
    letter-spacing: 0.3px;
}

.setting-item {
    margin-bottom: 1.25rem;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--text-color);
    font-size: 0.95rem;
    opacity: 0.9;
}

.setting-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.setting-label-row label {
    margin-bottom: 0;
}

.setting-value-pill {
    min-width: 4.25rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    background: linear-gradient(135deg,
        rgba(var(--accent-color-rgb), 0.18),
        rgba(var(--secondary-bg-color-rgb), 0.85));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.15),
      0 10px 20px rgba(0, 0, 0, 0.2);
    color: var(--accent-color);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
}

.setting-input {
    width: 100%;
    padding: 0.7rem 1.2rem;
    border: 1.5px solid rgba(var(--accent-color-rgb), 0.5);
    border-radius: 10px;
    background: linear-gradient(135deg,
        rgba(var(--secondary-bg-color-rgb), 0.9),
        rgba(var(--main-bg-color-rgb), 0.9));
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    font-family: inherit;
}

.setting-input:hover {
    border-color: rgba(var(--accent-color-rgb), 0.5);
    box-shadow: none;
}

.setting-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.25),
                0 0 20px rgba(var(--accent-color-rgb), 0.3);
}

.setting-input option {
    background: var(--main-bg-color);
    color: var(--accent-color);
    padding: 0.8rem 1.5rem;
    font-weight: 600;
}

.slider-shell {
    position: relative;
    padding: 0.9rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(var(--accent-color-rgb), 0.18);
    background:
      radial-gradient(circle at top, rgba(var(--accent-color-rgb), 0.16), transparent 58%),
      linear-gradient(180deg,
        rgba(var(--secondary-bg-color-rgb), 0.82),
        rgba(var(--main-bg-color-rgb), 0.92));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 12px 28px rgba(0, 0, 0, 0.24);
}

.setting-slider {
    --slider-progress: 30%;
    padding: 0;
    border: none;
    border-radius: 999px;
    background:
      linear-gradient(90deg,
        rgba(var(--accent-color-rgb), 0.95) 0%,
        rgba(var(--accent-color-rgb), 0.65) var(--slider-progress),
        rgba(255, 255, 255, 0.08) var(--slider-progress),
        rgba(255, 255, 255, 0.08) 100%);
    box-shadow:
      inset 0 0 0 1px rgba(var(--accent-color-rgb), 0.12),
      0 0 18px rgba(var(--accent-color-rgb), 0.12);
    appearance: none;
    -webkit-appearance: none;
    height: 12px;
    cursor: pointer;
}

.setting-slider:hover {
    border: none;
    box-shadow:
      inset 0 0 0 1px rgba(var(--accent-color-rgb), 0.2),
      0 0 22px rgba(var(--accent-color-rgb), 0.18);
}

.setting-slider:focus {
    border: none;
}

.setting-slider::-webkit-slider-runnable-track {
    height: 12px;
    border-radius: 999px;
    background: transparent;
}

.setting-slider::-moz-range-track {
    height: 12px;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.setting-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    background:
      radial-gradient(circle at 30% 30%, #ffffff, rgba(var(--accent-color-rgb), 0.95) 55%, rgba(var(--accent-color-rgb), 0.82) 100%);
    box-shadow:
      0 0 0 5px rgba(var(--accent-color-rgb), 0.14),
      0 10px 24px rgba(var(--accent-color-rgb), 0.28);
    margin-top: -6px;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.setting-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    background:
      radial-gradient(circle at 30% 30%, #ffffff, rgba(var(--accent-color-rgb), 0.95) 55%, rgba(var(--accent-color-rgb), 0.82) 100%);
    box-shadow:
      0 0 0 5px rgba(var(--accent-color-rgb), 0.14),
      0 10px 24px rgba(var(--accent-color-rgb), 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.setting-slider:hover::-webkit-slider-thumb,
.setting-slider:focus::-webkit-slider-thumb {
    transform: scale(1.08);
    box-shadow:
      0 0 0 7px rgba(var(--accent-color-rgb), 0.18),
      0 12px 28px rgba(var(--accent-color-rgb), 0.34);
}

.setting-slider:hover::-moz-range-thumb,
.setting-slider:focus::-moz-range-thumb {
    transform: scale(1.08);
    box-shadow:
      0 0 0 7px rgba(var(--accent-color-rgb), 0.18),
      0 12px 28px rgba(var(--accent-color-rgb), 0.34);
}

.setting-help {
    margin: 0.8rem 0 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.82rem;
    line-height: 1.45;
}

.setting-button {
    padding: 0.75rem 1.4rem;
    background: linear-gradient(135deg,
        rgba(var(--secondary-bg-color-rgb), 0.9),
        rgba(var(--main-bg-color-rgb), 0.9));
    border: 1.5px solid rgba(var(--accent-color-rgb), 0.5);
    border-radius: 12px;
    color: var(--accent-color);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: inherit;
}

.setting-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(var(--accent-color-rgb), 0.25),
        transparent);
    transition: left 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: -1;
}

.setting-button:hover {
    background: var(--accent-color);
    color: var(--main-bg-color);
    border-color: var(--accent-color);
    box-shadow: 0 6px 24px rgba(var(--accent-color-rgb), 0.4);
    transform: translateY(-2px);
}

.setting-button:hover::before { left: 100%; }

.setting-button:active {
    transform: translateY(0);
    transition-duration: 0.08s;
}

@media (max-width: 480px) {
    .settings-container { padding: 1rem; }
    .settings-grid { grid-template-columns: 1fr; gap: 1rem; }
    .settings-section { padding: 1.25rem; }
}