.background-remover-page {
    --br-accent: var(--accent);
    --br-accent-strong: var(--accent-strong);
    --br-accent-soft: var(--accent-soft);
    --br-panel: var(--panel);
    --br-panel-soft: var(--panel-soft);
    --br-panel-hover: var(--panel-hover);
    --br-border: var(--header-border);
    --br-text: var(--text-strong);
    --br-soft: var(--text-soft);
    --br-muted: var(--text-muted);
    background: var(--page-bg);
    color: var(--br-text);
}

.br-wrap {
    min-height: 80vh;
    padding: 42px 18px 64px;
}

.br-inner {
    max-width: 1080px;
    margin: 0 auto;
}

.br-heading {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 30px;
}

.br-kicker {
    display: inline-flex;
    padding: 7px 14px;
    border-radius: 999px;
    background: var(--br-accent-soft);
    color: var(--br-accent-strong);
    font-size: 0.82rem;
    font-weight: 900;
    margin-bottom: 14px;
}

.br-heading h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    line-height: 1;
    margin: 0 0 14px;
    letter-spacing: 0;
}

.br-heading h1 span {
    color: var(--br-accent-strong);
}

.br-heading p {
    color: var(--br-soft);
    font-size: 1.02rem;
    line-height: 1.7;
    margin: 0;
}

.br-card {
    background: var(--br-panel);
    border: 1px solid var(--br-border);
    border-radius: 8px;
    padding: clamp(18px, 3vw, 28px);
    box-shadow: var(--shadow);
}

.br-file-input {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
    pointer-events: none;
}

.drop-zone {
    width: 100%;
    min-height: 230px;
    border: 2px dashed color-mix(in srgb, var(--br-accent) 45%, var(--br-border));
    border-radius: 8px;
    background: var(--br-panel-soft);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--br-text);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.drop-zone:hover,
.drop-zone.is-dragging {
    border-color: var(--br-accent);
    background: var(--br-accent-soft);
    transform: translateY(-1px);
}

.drop-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 8px;
    background: var(--br-accent);
    color: var(--accent-contrast);
    font-family: var(--font-display);
    font-weight: 900;
}

.drop-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 900;
}

.drop-sub,
.picked-info {
    color: var(--br-muted);
}

.br-preview-area {
    margin-top: 22px;
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.panel-title {
    color: var(--br-text);
    font-weight: 900;
    margin-bottom: 8px;
}

.preview-box {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--br-border);
    background: var(--br-panel-soft);
    position: relative;
}

.preview-box img,
.preview-box canvas {
    display: block;
    width: 100%;
    height: auto;
    cursor: crosshair;
}

.checkerboard {
    background: linear-gradient(45deg, #f1f5f9 25%, #e2e8f0 25%, #e2e8f0 50%, #f1f5f9 50%, #f1f5f9 75%, #e2e8f0 75%);
    background-size: 28px 28px;
}

.picked-info {
    margin-top: 10px;
    font-size: 0.92rem;
}

.swatches {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.swatch {
    width: 34px;
    height: 34px;
    border: 3px solid var(--br-panel);
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.18);
    cursor: pointer;
}

.br-actions,
.download-actions,
.new-image-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.br-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border: 0;
    border-radius: 8px;
    padding: 11px 18px;
    background: var(--br-accent);
    color: var(--accent-contrast);
    font-family: var(--font-display);
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.br-btn:disabled {
    opacity: 0.62;
    cursor: not-allowed;
    transform: none;
}

.br-btn-green {
    background: #10b981;
    color: #fff;
}

.br-btn-blue {
    background: #3b82f6;
    color: #fff;
}

.br-btn-muted {
    background: var(--br-panel-hover);
    color: var(--br-text);
    border: 1px solid var(--br-border);
}

.tolerance-panel {
    max-width: 460px;
    margin: 24px auto 0;
    text-align: center;
}

.tolerance-panel label {
    display: flex;
    justify-content: center;
    gap: 8px;
    color: var(--br-text);
    font-weight: 900;
    margin-bottom: 10px;
}

.tolerance-panel input {
    width: 100%;
    accent-color: var(--br-accent);
}

.spinner {
    display: inline-block;
    width: 17px;
    height: 17px;
    border: 3px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: br-spin 1s linear infinite;
    margin-right: 8px;
}

.is-hidden {
    display: none !important;
}

@keyframes br-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 780px) {
    .br-wrap {
        padding-inline: 14px;
    }

    .preview-grid {
        grid-template-columns: 1fr;
    }

    .br-btn {
        width: 100%;
    }
}