.thumb-inspector-host {
    position: relative;
    isolation: isolate;
}

.thumb-inspector-grid,
.thumb-inspector-heat,
.thumb-inspector-legend {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.thumb-inspector-grid,
.thumb-inspector-heat {
    opacity: 0;
    transition: opacity 180ms ease;
}

.thumb-inspector-grid.visible,
.thumb-inspector-heat.visible {
    opacity: 1;
}

.thumb-inspector-grid::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.12);
}

.thumb-inspector-grid.mode-thirds {
    background-image:
        linear-gradient(to right, transparent calc(33.33% - 1px), rgba(255, 255, 255, 0.7) calc(33.33% - 1px), rgba(255, 255, 255, 0.7) calc(33.33% + 1px), transparent calc(33.33% + 1px)),
        linear-gradient(to right, transparent calc(66.66% - 1px), rgba(255, 255, 255, 0.7) calc(66.66% - 1px), rgba(255, 255, 255, 0.7) calc(66.66% + 1px), transparent calc(66.66% + 1px)),
        linear-gradient(to bottom, transparent calc(33.33% - 1px), rgba(255, 255, 255, 0.7) calc(33.33% - 1px), rgba(255, 255, 255, 0.7) calc(33.33% + 1px), transparent calc(33.33% + 1px)),
        linear-gradient(to bottom, transparent calc(66.66% - 1px), rgba(255, 255, 255, 0.7) calc(66.66% - 1px), rgba(255, 255, 255, 0.7) calc(66.66% + 1px), transparent calc(66.66% + 1px));
}

.thumb-inspector-grid.mode-thirds::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle 5px at 33.33% 33.33%, rgba(255, 255, 255, 0.95) 0 3px, transparent 3.4px),
        radial-gradient(circle 5px at 66.66% 33.33%, rgba(255, 255, 255, 0.95) 0 3px, transparent 3.4px),
        radial-gradient(circle 5px at 33.33% 66.66%, rgba(255, 255, 255, 0.95) 0 3px, transparent 3.4px),
        radial-gradient(circle 5px at 66.66% 66.66%, rgba(255, 255, 255, 0.95) 0 3px, transparent 3.4px);
}

.thumb-inspector-grid.mode-golden {
    background-image:
        linear-gradient(to right, transparent calc(38.2% - 1px), rgba(255, 214, 10, 0.76) calc(38.2% - 1px), rgba(255, 214, 10, 0.76) calc(38.2% + 1px), transparent calc(38.2% + 1px)),
        linear-gradient(to right, transparent calc(61.8% - 1px), rgba(255, 214, 10, 0.76) calc(61.8% - 1px), rgba(255, 214, 10, 0.76) calc(61.8% + 1px), transparent calc(61.8% + 1px)),
        linear-gradient(to bottom, transparent calc(38.2% - 1px), rgba(255, 214, 10, 0.76) calc(38.2% - 1px), rgba(255, 214, 10, 0.76) calc(38.2% + 1px), transparent calc(38.2% + 1px)),
        linear-gradient(to bottom, transparent calc(61.8% - 1px), rgba(255, 214, 10, 0.76) calc(61.8% - 1px), rgba(255, 214, 10, 0.76) calc(61.8% + 1px), transparent calc(61.8% + 1px));
}

.thumb-inspector-grid.mode-center {
    background-image:
        linear-gradient(to right, transparent calc(50% - 1px), rgba(255, 255, 255, 0.56) calc(50% - 1px), rgba(255, 255, 255, 0.56) calc(50% + 1px), transparent calc(50% + 1px)),
        linear-gradient(to bottom, transparent calc(50% - 1px), rgba(255, 255, 255, 0.56) calc(50% - 1px), rgba(255, 255, 255, 0.56) calc(50% + 1px), transparent calc(50% + 1px));
}

.thumb-inspector-heat {
    overflow: hidden;
}

.thumb-inspector-heat-backdrop,
.thumb-inspector-heat-spots {
    position: absolute;
    inset: 0;
}

.thumb-inspector-heat-backdrop {
    background:
        radial-gradient(circle at 14% 20%, rgba(78, 120, 255, 0.18) 0%, rgba(78, 120, 255, 0) 28%),
        radial-gradient(circle at 86% 16%, rgba(78, 120, 255, 0.16) 0%, rgba(78, 120, 255, 0) 24%),
        radial-gradient(circle at 8% 88%, rgba(92, 124, 255, 0.14) 0%, rgba(92, 124, 255, 0) 26%),
        radial-gradient(circle at 92% 84%, rgba(92, 124, 255, 0.12) 0%, rgba(92, 124, 255, 0) 22%),
        linear-gradient(rgba(55, 58, 116, 0.22), rgba(55, 58, 116, 0.22));
    opacity: calc(0.7 * var(--thumb-inspector-intensity, 0.7));
}

.thumb-inspector-heat.mode-attention .thumb-inspector-heat-backdrop {
    background:
        radial-gradient(circle at 18% 24%, rgba(78, 120, 255, 0.16) 0%, rgba(78, 120, 255, 0) 28%),
        radial-gradient(circle at 88% 22%, rgba(78, 120, 255, 0.14) 0%, rgba(78, 120, 255, 0) 24%),
        radial-gradient(circle at 10% 86%, rgba(78, 120, 255, 0.12) 0%, rgba(78, 120, 255, 0) 24%),
        radial-gradient(circle at 90% 80%, rgba(78, 120, 255, 0.12) 0%, rgba(78, 120, 255, 0) 22%),
        linear-gradient(rgba(45, 52, 108, 0.2), rgba(45, 52, 108, 0.2));
}

.thumb-inspector-spot {
    position: absolute;
    transform: translate(-50%, -50%) rotate(var(--spot-rotate, 0deg));
    border-radius: 999px;
    filter: blur(var(--spot-blur));
    opacity: calc(var(--spot-opacity) * var(--thumb-inspector-intensity, 0.7));
    mix-blend-mode: screen;
}

.thumb-inspector-legend {
    inset: auto 12px 12px auto;
    width: auto;
    height: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(16, 16, 16, 0.58);
    backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.thumb-inspector-legend.visible {
    opacity: 1;
    transform: translateY(0);
}

.thumb-inspector-legend-bar {
    width: 72px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(to right, rgba(76, 110, 245, 0.85), rgba(255, 205, 84, 0.9), rgba(255, 63, 52, 0.92));
}

.thumb-inspector-legend-text {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.88);
    letter-spacing: 0.01em;
}

.thumb-inspector-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    margin-top: 12px;
}

.thumb-inspector-group {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.thumb-inspector-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.thumb-inspector-pills {
    display: inline-flex;
    gap: 4px;
    flex-wrap: wrap;
}

.thumb-inspector-btn {
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 5px 11px;
    background: transparent;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.thumb-inspector-btn:hover {
    transform: translateY(-1px);
}

.thumb-inspector-btn.active {
    transform: none;
}

.thumb-inspector-slider-group {
    min-width: 164px;
}

.thumb-inspector-slider {
    width: 92px;
    cursor: pointer;
}

.thumb-inspector-controls.is-dark .thumb-inspector-label {
    color: #91a4c2;
}

.thumb-inspector-controls.is-dark .thumb-inspector-btn {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 163, 184, 0.18);
    color: #cdd7e5;
}

.thumb-inspector-controls.is-dark .thumb-inspector-btn:hover {
    border-color: rgba(96, 165, 250, 0.45);
    color: #ffffff;
}

.thumb-inspector-controls.is-dark .thumb-inspector-btn.active {
    background: rgba(37, 99, 235, 0.18);
    border-color: #3b82f6;
    color: #dbeafe;
}

.thumb-inspector-controls.is-dark .thumb-inspector-slider {
    accent-color: #60a5fa;
}

.thumb-inspector-controls.is-light .thumb-inspector-label {
    color: #7b7b7b;
}

.thumb-inspector-controls.is-light .thumb-inspector-btn {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    color: #707070;
}

.thumb-inspector-controls.is-light .thumb-inspector-btn:hover {
    border-color: rgba(0, 0, 0, 0.18);
    color: #111111;
}

.thumb-inspector-controls.is-light .thumb-inspector-btn.active {
    background: #111111;
    border-color: #111111;
    color: #ffffff;
}

.thumb-inspector-controls.is-light .thumb-inspector-slider {
    accent-color: #111111;
}

.thumb-inspector-controls-host-public {
    padding: 2px 4px 0;
}

.thumb-inspector-controls-host-admin {
    padding-top: 10px;
}

@media (max-width: 640px) {
    .thumb-inspector-controls {
        gap: 10px;
    }

    .thumb-inspector-group {
        width: 100%;
        justify-content: space-between;
    }

    .thumb-inspector-slider-group {
        min-width: 0;
    }
}