.settings-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background: #6b7280;
    color: #fff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 49;
    box-shadow: 0 10px 25px rgba(107, 114, 128, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

.settings-toggle.settings-ready {
    opacity: 1;
    visibility: visible;
}

.settings-toggle.has-suggestion {
    bottom: 6.5rem;
}

.settings-toggle:hover {
    background: #9ca3af;
}

.settings-toggle:hover svg {
    animation: settingsRotate 0.6s ease-in-out 1;
}

@keyframes settingsRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(180deg); }
}

.settings-toggle.is-hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.settings-panel {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 360px;
    background: rgba(12, 12, 20, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(251, 251, 251, 0.1);
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    z-index: 50;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-panel.is-hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    visibility: hidden;
    animation: none;
}

.settings-panel:not(.is-hidden) {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    visibility: visible;
    animation: settingsPanelSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes settingsPanelSlideIn {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes settingsPanelSlideOut {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
}

.settings-panel__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.settings-panel__close:hover {
    color: #FBFBFB;
}

.settings-panel__header h3 {
    font-family: 'Raleway', sans-serif;
    font-size: 1.1rem;
    font-weight: 900;
    font-variant-numeric: lining-nums;
    color: #FBFBFB;
    margin: 0 0 0.25rem 0;
}

.settings-panel__header p {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 400;
    color: #94a3b8;
    margin: 0 0 1.25rem 0;
}

.settings-panel__content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.settings-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: rgba(251, 251, 251, 0.05);
    border: 1px solid rgba(251, 251, 251, 0.1);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.settings-option:hover {
    background: rgba(251, 251, 251, 0.08);
    border-color: rgba(251, 251, 251, 0.15);
}

.settings-option__info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.settings-option__label {
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: #FBFBFB;
}

.settings-option__description {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    color: #94a3b8;
    line-height: 1.4;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: rgba(251, 251, 251, 0.1);
    border-radius: 13px;
    cursor: pointer;
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.toggle-switch.active {
    background: #6b7280;
}

.toggle-switch__slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #FBFBFB;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.toggle-switch.active .toggle-switch__slider {
    transform: translateX(22px);
}

@media (max-width: 768px) {
    .settings-panel {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        width: auto;
    }
    
    .settings-toggle {
        bottom: 1rem;
        right: 1rem;
    }
    
    .settings-toggle.has-suggestion {
        bottom: 6rem;
    }
}

body.performance-mode * {
    animation: none !important;
    transition: none !important;
}

body.performance-mode .stars-1,
body.performance-mode .stars-2,
body.performance-mode .shooting-stars {
    display: none !important;
}

body.performance-mode .bg-glow {
    display: none !important;
}

body.performance-mode .dev-banner__content {
    animation: none !important;
    transform: translateX(0) !important;
}

body.performance-mode .loading-overlay,
body.performance-mode .loading-spinner,
body.performance-mode .loading-dots,
body.performance-mode .loading-dot {
    animation: none !important;
}

body.performance-mode .loading-dot {
    opacity: 0.5 !important;
}