/* ── Shared Upload Zone ── */
.btf-upload-zone {
    border: 2px dashed var(--color-border, #e2e8f0);
    border-radius: 12px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    background: var(--color-bg-secondary, #f8fafc);
    position: relative;
}
.btf-upload-zone:hover,
.btf-upload-zone.drag-over { border-color: #10b981; background: rgba(16,185,129,.05); }
.btf-upload-zone input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.btf-upload-icon { font-size: 2.2rem; display: block; margin-bottom: .5rem; }
.btf-upload-label { font-size: .9rem; color: var(--color-text-muted, #64748b); line-height: 1.5; }
.btf-upload-label strong { color: #10b981; }

/* ── Shared Buttons ── */
.btf-btn-primary {
    padding: .7rem 1.75rem; background: #10b981; color: #fff;
    border: none; border-radius: 8px; font-size: .95rem; font-weight: 600;
    cursor: pointer; transition: background .2s;
}
.btf-btn-primary:hover   { background: #059669; }
.btf-btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }
.btf-btn-secondary {
    padding: .7rem 1.25rem; background: transparent; color: var(--color-text, #1e293b);
    border: 1.5px solid var(--color-border, #e2e8f0); border-radius: 8px;
    font-size: .9rem; font-weight: 500; cursor: pointer; transition: background .2s;
}
.btf-btn-secondary:hover { background: var(--color-bg-secondary, #f8fafc); }
.btf-dl-btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .75rem 1.75rem; background: #15803d; color: #fff;
    border-radius: 8px; text-decoration: none; font-weight: 600; transition: background .2s;
}
.btf-dl-btn:hover { background: #166534; color: #fff; }

/* ── Shared Error & Result ── */
.btf-err {
    background: #fef2f2; border: 1.5px solid #fecaca;
    color: #dc2626; border-radius: 8px; padding: .75rem 1rem;
    font-size: .9rem; margin-top: .75rem;
}
.btf-result-panel {
    background: #f0fdf4; border: 1.5px solid #bbf7d0;
    border-radius: 12px; padding: 1.5rem; text-align: center; margin-top: .5rem;
}
.btf-result-panel h3 { color: #15803d; margin: 0 0 .5rem; }
.btf-res-meta { color: var(--color-text-muted, #64748b); font-size: .85rem; margin-bottom: 1rem; }


/* ══════════════════════════════════════════
   IMAGE CROPPER
══════════════════════════════════════════ */
.btf-crop-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    padding: .6rem .75rem;
    background: var(--color-bg-secondary, #f1f5f9);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 8px;
    margin-bottom: .75rem;
    font-size: .82rem;
}
.btf-toolbar-label { font-weight: 500; color: var(--color-text-muted, #64748b); }
.btf-toolbar-sep   { flex: 1; }
.btf-ratio-btn {
    padding: .25rem .6rem;
    border: 1.5px solid var(--color-border, #d1d5db);
    border-radius: 6px; background: transparent;
    font-size: .8rem; cursor: pointer; font-weight: 500;
    transition: all .15s;
}
.btf-ratio-btn:hover  { border-color: #10b981; color: #10b981; }
.btf-ratio-btn.active { border-color: #10b981; background: #10b981; color: #fff; }
.btf-dim-input {
    width: 60px; padding: .2rem .4rem;
    border: 1.5px solid var(--color-border, #d1d5db);
    border-radius: 5px; font-size: .8rem; text-align: center;
    background: var(--color-bg, #fff); color: var(--color-text, #1e293b);
}
.btf-apply-dim {
    padding: .25rem .65rem;
    background: #3b82f6; color: #fff; border: none;
    border-radius: 5px; font-size: .8rem; cursor: pointer;
}
.btf-apply-dim:hover { background: #2563eb; }

/* Canvas area */
.btf-canvas-wrap {
    position: relative;
    display: inline-block;
    cursor: crosshair;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.15);
    max-width: 100%;
}
#btf-canvas { display: block; max-width: 100%; }

.btf-crop-overlay {
    position: absolute;
    top: 0; left: 0;
    pointer-events: none;
}

/* Crop box */
.btf-crop-box {
    position: absolute;
    border: 2px solid #3b82f6;
    box-shadow: 0 0 0 9999px rgba(0,0,0,.45);
    cursor: move;
    pointer-events: all;
    box-sizing: border-box;
}
/* Rule-of-thirds grid lines */
.btf-crop-rule {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px);
    background-size: 33.33% 33.33%;
    pointer-events: none;
}
/* Crop info badge */
.btf-crop-info {
    position: absolute; bottom: -26px; left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,.75); color: #fff;
    font-size: .72rem; padding: 2px 8px; border-radius: 10px;
    white-space: nowrap; pointer-events: none;
}
/* Corner handles */
.btf-handle {
    position: absolute;
    width: 14px; height: 14px;
    background: #fff;
    border: 2px solid #3b82f6;
    border-radius: 3px;
    pointer-events: all;
}
.btf-handle-nw { top: -7px; left: -7px; cursor: nw-resize; }
.btf-handle-ne { top: -7px; right: -7px; cursor: ne-resize; }
.btf-handle-sw { bottom: -7px; left: -7px; cursor: sw-resize; }
.btf-handle-se { bottom: -7px; right: -7px; cursor: se-resize; }

.btf-crop-actions {
    display: flex; gap: .75rem; justify-content: flex-end;
    margin-top: 1rem; flex-wrap: wrap;
}


/* ══════════════════════════════════════════
   WATERMARK EDITOR
══════════════════════════════════════════ */
.btf-wm-layout {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
.btf-wm-canvas-col  { flex: 1; min-width: 240px; }
.btf-wm-controls-col {
    width: 260px;
    background: var(--color-bg-secondary, #f8fafc);
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.btf-wm-canvas-wrap { border-radius: 8px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.12); }
#btf-wm-canvas { display: block; max-width: 100%; }

.btf-ctrl-title { margin: 0 0 .25rem; font-size: 1rem; font-weight: 700; }
.btf-ctrl-label {
    display: flex; flex-direction: column; gap: .25rem;
    font-size: .82rem; font-weight: 500;
    color: var(--color-text, #1e293b);
}
.btf-ctrl-input {
    padding: .35rem .6rem;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 6px;
    background: var(--color-bg, #fff);
    color: var(--color-text, #1e293b);
    font-size: .875rem;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}
.btf-ctrl-color {
    width: 100%; height: 36px;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 6px; cursor: pointer; padding: 2px;
}
.btf-ctrl-range { width: 100%; accent-color: #10b981; margin-top: 2px; }
.btf-ctrl-row { display: flex; gap: .6rem; }

/* Position grid */
.btf-pos-grid {
    display: grid;
    grid-template-columns: repeat(3, 36px);
    gap: 4px;
    margin-top: 4px;
}
.btf-pos-btn {
    width: 36px; height: 36px;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 6px; background: var(--color-bg, #fff);
    font-size: 1rem; cursor: pointer; transition: all .15s;
}
.btf-pos-btn:hover  { border-color: #10b981; }
.btf-pos-btn.active { border-color: #10b981; background: #10b981; color: #fff; }

/* Toggles */
.btf-toggle { display: flex; align-items: center; gap: .4rem; cursor: pointer; }
.btf-toggle input { accent-color: #10b981; }
.btf-toggle-label { font-size: .82rem; }

.btf-wm-actions {
    display: flex; gap: .6rem; flex-direction: column; margin-top: .5rem;
}

@media (max-width: 600px) {
    .btf-wm-layout { flex-direction: column; }
    .btf-wm-controls-col { width: 100%; }
}


/* ── Cropper.js ── */
.btf-crop-wrap { border-radius: 8px; overflow: hidden; }

/* Fix: remove Cropper.js background checkerboard */
.cropper-bg { background-image: none !important; background-color: #111 !important; }

/* Ensure cropper fills container height properly */
.cropper-container { max-height: 460px !important; }

.btf-size-badge {
    background: rgba(37,99,235,.1);
    border: 1px solid rgba(37,99,235,.25);
    color: #2563eb;
    border-radius: 20px;
    padding: .2rem .75rem;
    font-size: .8rem;
    font-weight: 600;
    white-space: nowrap;
}

.btf-crop-actions {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    align-items: center;
    margin-top: .75rem;
}

/* ── Generic tool UI ── */
.btf-file-chip {
    display: flex;
    align-items: center;
    gap: .75rem;
    background: var(--color-bg-secondary, #f8fafc);
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 8px;
    padding: .6rem 1rem;
    margin-top: .75rem;
    font-size: .875rem;
}
.btf-chip-remove {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted, #94a3b8);
    font-size: 1rem;
    padding: 0 .25rem;
}
.btf-chip-remove:hover { color: #ef4444; }

.btf-generic-opts {
    margin-top: .875rem;
    display: flex;
    flex-direction: column;
    gap: .65rem;
}
.btf-opt-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}
.btf-opt-label {
    font-size: .85rem;
    font-weight: 500;
    min-width: 130px;
    color: var(--color-text, #1e293b);
}
.btf-opt-range {
    flex: 1;
    accent-color: #10b981;
    min-width: 140px;
}
.btf-opt-number {
    width: 110px;
    padding: .35rem .6rem;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 6px;
    font-size: .875rem;
    background: var(--color-bg, #fff);
    color: var(--color-text, #1e293b);
}
.btf-opt-check {
    font-size: .875rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    cursor: pointer;
}
.btf-opt-check input { accent-color: #10b981; width: 16px; height: 16px; }

.btf-process-btn {
    margin-top: 1rem;
    width: 100%;
    padding: .8rem;
    font-size: 1rem;
}

/* ── Image Resizer UI ── */
.btf-resize-tabs {
    display: flex;
    gap: .5rem;
    margin: .875rem 0 .75rem;
}
.btf-tab {
    flex: 1;
    padding: .6rem 1rem;
    border: 2px solid var(--color-border, #e2e8f0);
    border-radius: 8px;
    background: var(--color-bg, #fff);
    color: var(--color-text, #1e293b);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    text-align: center;
}
.btf-tab:hover   { border-color: #10b981; }
.btf-tab.active  { border-color: #10b981; background: #10b981; color: #fff; }

.btf-resize-panel { padding: .5rem 0; }

.btf-resize-row {
    display: flex;
    align-items: flex-end;
    gap: .5rem;
    margin-bottom: .75rem;
    flex-wrap: wrap;
}
.btf-resize-label {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    font-size: .82rem;
    font-weight: 500;
    color: var(--color-text, #1e293b);
    flex: 1;
    min-width: 120px;
}
.btf-resize-input {
    padding: .45rem .65rem;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 7px;
    font-size: .9rem;
    background: var(--color-bg, #fff);
    color: var(--color-text, #1e293b);
    width: 100%;
    box-sizing: border-box;
}
.btf-resize-input:focus { border-color: #10b981; outline: none; }

.btf-resize-link-icon {
    font-size: 1.3rem;
    padding-bottom: .35rem;
    color: #10b981;
    cursor: default;
    user-select: none;
    flex-shrink: 0;
}

/* Percentage buttons */
.btf-pct-btns {
    display: flex;
    flex-direction: column;
    gap: .4rem;
}
.btf-pct-btn {
    width: 100%;
    padding: .65rem 1rem;
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: 8px;
    background: var(--color-bg, #fff);
    color: var(--color-text, #1e293b);
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: all .15s;
}
.btf-pct-btn:hover  { border-color: #10b981; background: rgba(16,185,129,.04); }
.btf-pct-btn.active { border-color: #10b981; color: #059669; font-weight: 600; }

/* ── Remove Background: before/after slider ── */
.btf-rmbg-wrap { display: flex; flex-direction: column; gap: 1rem; }

.btf-slider-container {
    position: relative;
    width: 100%;
    height: 460px;
    overflow: hidden;
    border-radius: 10px;
    cursor: col-resize;
    user-select: none;
    -webkit-user-select: none;
    /* Checkerboard shows through transparent PNG */
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #d0d0d0 25%, transparent 25%),
        linear-gradient(-45deg, #d0d0d0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d0d0d0 75%),
        linear-gradient(-45deg, transparent 75%, #d0d0d0 75%);
    background-size: 18px 18px;
    background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

/* Both images fill the container identically */
.btf-slider-img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* After = transparent result — sits on the checkerboard */
#btf-after-img { z-index: 1; }

/* Before = original — clipped to left portion by clip-path */
#btf-before-img {
    z-index: 2;
    /* clip-path is set via JS */
    clip-path: inset(0 50% 0 0);
}

/* Divider line */
.btf-slider-divider {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: #fff;
    box-shadow: 0 0 8px rgba(0,0,0,.5);
    z-index: 3;
    transform: translateX(-50%);
    pointer-events: none;
}

/* Handle circle */
.btf-slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: .7rem;
    color: #334155;
    cursor: col-resize;
    pointer-events: all;
}

/* Before/After labels */
.btf-slider-label {
    position: absolute;
    top: 12px;
    background: rgba(0,0,0,.6);
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    z-index: 4;
    pointer-events: none;
    letter-spacing: .05em;
}
.btf-label-before { left: 12px; }
.btf-label-after  { right: 12px; }

.btf-rmbg-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}
.btf-rmbg-actions .btf-res-meta { flex: 1; font-size: .85rem; color: #64748b; }