/* ═══════ Background Remover Tool Styles ═══════ */

.br-main-card {
    max-width: 780px;
    margin: 0 auto;
    position: relative;
}

/* ─── Drop Zone ─── */
.br-dropzone {
    position: relative;
    border: 2px dashed var(--border-color, #444);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
    background: var(--card-bg, #1a1a2e);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.br-dropzone:hover,
.br-dropzone.dragover {
    border-color: var(--accent, #FF6B4A);
    background: rgba(255, 107, 74, 0.05);
}
.br-input-file {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}
.br-drop-icon {
    font-size: 2.5rem;
    display: block;
}
.br-drop-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary, #eee);
    margin: 0;
}
.br-drop-sub {
    font-size: 0.85rem;
    color: var(--text-tertiary, #888);
    margin: 0;
}
.br-drop-formats {
    font-size: 0.75rem;
    color: var(--text-tertiary, #666);
    margin: 0.25rem 0 0;
}

/* ─── Privacy Badge ─── */
.br-privacy-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    margin-top: 1rem;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.25);
    border-radius: 8px;
    font-size: 0.8rem;
    color: #4CAF50;
    text-align: center;
}

/* ─── Error Bar ─── */
.br-error-bar {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    border-radius: 8px;
    margin-bottom: 1rem;
    color: #f44336;
    font-size: 0.85rem;
}
.br-error-bar.show { display: flex; }

/* ─── Processing Bar (progress + spinner + cancel) ─── */
.br-processing {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}
.br-processing.show { display: flex; }

.br-progress-bar-wrap {
    width: 100%;
    height: 6px;
    background: var(--border-color, #444);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.br-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent, #FF6B4A);
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
}
/* Indeterminate mode */
.br-progress-bar.indeterminate {
    width: 30% !important;
    animation: brProgressIndeterminate 1.5s ease-in-out infinite;
}
@keyframes brProgressIndeterminate {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

.br-processing-inner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
    color: var(--text-secondary, #aaa);
    font-size: 0.9rem;
}
.br-spinner {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    border: 2px solid var(--border-color, #444);
    border-top-color: var(--accent, #FF6B4A);
    border-radius: 50%;
    animation: brSpin 0.8s linear infinite;
}
@keyframes brSpin { to { transform: rotate(360deg); } }

.br-cancel-btn {
    padding: 0.35rem 0.85rem !important;
    font-size: 0.78rem !important;
    margin-left: auto;
    background: transparent !important;
    border-color: var(--text-tertiary, #666) !important;
    color: var(--text-secondary, #aaa) !important;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.br-cancel-btn:hover {
    border-color: #f44336 !important;
    color: #f44336 !important;
    background: rgba(244,67,54,0.08) !important;
}

/* ─── Result Bar ─── */
.br-result-bar {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    margin-bottom: 1rem;
    color: #4CAF50;
    font-size: 0.85rem;
    justify-content: center;
}
.br-result-bar.show { display: flex; }

/* ─── Preview Section ─── */
.br-preview-section {
    display: none;
    margin-top: 1.5rem;
}
.br-preview-section.show { display: block; }
.br-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}
.br-preview-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary, #aaa);
}
.br-preview-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.br-preview-card {
    background: var(--card-bg-alt, #16162a);
    border: 1px solid var(--border-color, #333);
    border-radius: 10px;
    overflow: hidden;
}
.br-preview-card-header {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary, #888);
    border-bottom: 1px solid var(--border-color, #333);
    background: rgba(0,0,0,0.3);
}
.br-preview-img-wrap {
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: repeating-conic-gradient(rgba(128,128,128,0.15) 0% 25%, transparent 0% 50%) 0 0 / 20px 20px;
}
.br-preview-img-wrap img,
.br-result-canvas {
    max-width: 100%;
    max-height: 320px;
    border-radius: 4px;
    object-fit: contain;
    display: block;
}

/* ─── Actions ─── */
.br-actions {
    display: none;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.br-actions.show {
    display: flex;
}
.br-action-btn {
    padding: 0.65rem 1.5rem;
    border: 1px solid var(--border-color, #444);
    border-radius: 8px;
    background: var(--card-bg, #1a1a2e);
    color: var(--text-primary, #eee);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.br-action-btn:hover:not(:disabled) {
    border-color: var(--accent, #FF6B4A);
    background: rgba(255, 107, 74, 0.1);
}
.br-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.br-action-btn.primary {
    background: var(--accent, #FF6B4A);
    border-color: var(--accent, #FF6B4A);
    color: #fff;
}
.br-action-btn.primary:hover:not(:disabled) {
    filter: brightness(1.1);
}

/* ─── Image Area (chosen image, replaces dropzone) ─── */
.br-image-area {
    display: none;
    margin-top: 1rem;
}
.br-image-area.show { display: block; }

.br-image-area-wrap {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: repeating-conic-gradient(rgba(128,128,128,0.15) 0% 25%, transparent 0% 50%) 0 0 / 20px 20px;
    max-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.br-selected-img {
    display: block;
    max-width: 100%;
    max-height: 500px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ─── Shimmer / Pulse Overlay ─── */
.br-shimmer-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.br-shimmer-overlay.active {
    opacity: 1;
    background: linear-gradient(
        110deg,
        transparent 30%,
        rgba(255,255,255,0.06) 50%,
        transparent 70%
    );
    background-size: 200% 100%;
    animation: brShimmer 1.8s ease-in-out infinite;
}
@keyframes brShimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ─── Result fade in ─── */
.br-result-canvas {
    opacity: 0;
    transition: opacity 0.5s ease;
}
.br-result-canvas.show {
    opacity: 1;
}
.br-result-img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* ─── Hide dropzone & privacy badge when image is selected ─── */
.br-hide-dropzone .br-dropzone,
.br-hide-dropzone .br-privacy-badge {
    display: none;
}

/* ─── prefers-reduced-motion ─── */
@media (prefers-reduced-motion: reduce) {
    .br-spinner {
        animation: none;
        border-color: var(--accent, #FF6B4A);
        border-width: 2px;
    }
    .br-progress-bar.indeterminate {
        animation: none !important;
        width: 50% !important;
        transform: none !important;
    }
    .br-shimmer-overlay.active {
        animation: none;
        background: rgba(255,255,255,0.03);
    }
    @keyframes brProgressIndeterminate {}
    @keyframes brSpin {}
    @keyframes brShimmer {}
    .br-result-canvas {
        transition: none;
    }
    .br-shimmer-overlay {
        transition: none;
    }
    .br-progress-bar {
        transition: none;
    }
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
    .br-dropzone { padding: 2rem 1rem; }
    .br-preview-wrap { grid-template-columns: 1fr; }
    .br-actions { flex-direction: column; }
    .br-action-btn { width: 100%; justify-content: center; }
    .br-privacy-badge { font-size: 0.75rem; padding: 0.5rem 0.75rem; }
}