/* ===== SETTINGS PANEL - Syndicate Control ===== */
#settings-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 8, 0.92);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

#settings-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Scanline effect on overlay */
#settings-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(168, 85, 247, 0.02) 2px,
        rgba(168, 85, 247, 0.02) 4px
    );
    pointer-events: none;
}

#settings-panel {
    width: 90%;
    max-width: 320px;
    background:
        linear-gradient(180deg,
            rgba(24, 24, 42, 0.98) 0%,
            rgba(16, 16, 24, 0.98) 100%
        );
    border: 1px solid var(--steel);
    border-top: 2px solid var(--violet-dim);
    border-radius: 4px;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.7),
        0 0 40px rgba(168, 85, 247, 0.1),
        inset 0 1px 0 var(--inner-light);
}

#settings-overlay.visible #settings-panel {
    transform: scale(1) translateY(0);
}

.settings-header {
    padding: 14px 18px;
    background:
        linear-gradient(180deg,
            var(--graphite) 0%,
            var(--slate) 100%
        );
    border-bottom: 1px solid var(--steel);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.settings-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--violet);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.settings-close {
    width: 26px;
    height: 26px;
    background: var(--steel);
    border: 1px solid var(--iron);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.settings-close:hover {
    background: var(--crimson);
    border-color: var(--crimson);
    color: white;
}

.settings-body {
    padding: 16px 18px;
}

.settings-option {
    padding: 12px 0;
    border-bottom: 1px solid rgba(37, 37, 56, 0.8);
}

.settings-option:last-child {
    border-bottom: none;
}

.settings-btn {
    width: 100%;
    padding: 12px 16px;
    background:
        linear-gradient(180deg,
            var(--graphite) 0%,
            var(--slate) 100%
        );
    border: 1px solid var(--steel);
    border-left: 3px solid var(--violet-dim);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
    text-transform: uppercase;
}

.settings-btn:hover {
    border-color: var(--violet-dim);
    border-left-color: var(--violet);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.settings-btn:hover {
    color: var(--violet-bright);
}

.settings-btn.danger {
    border-left-color: rgba(239, 68, 68, 0.5);
}

.settings-btn.danger:hover {
    background:
        linear-gradient(180deg,
            rgba(239, 68, 68, 0.1) 0%,
            rgba(239, 68, 68, 0.05) 100%
        );
    border-color: rgba(239, 68, 68, 0.5);
    border-left-color: var(--crimson);
    color: var(--crimson);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

.settings-btn-icon {
    font-size: 1rem;
}

.settings-section {
    margin: 16px 0;
    padding: 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--steel);
    border-left: 2px solid var(--violet-dim);
    border-radius: 4px;
}

.settings-section-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--violet);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
    font-weight: 600;
}

.settings-label {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.settings-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--steel);
    border-radius: 2px;
    outline: none;
}

.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--violet);
    border-radius: 2px;
    cursor: pointer;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.4),
        0 0 10px var(--violet-glow);
}

.settings-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--violet);
    border-radius: 2px;
    cursor: pointer;
    border: none;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.4),
        0 0 10px var(--violet-glow);
}