.bkbg-iph-wrap {
    padding: 24px;
    border-radius: 12px;
    font-family: system-ui, -apple-system, sans-serif;
    box-sizing: border-box;
}

.bkbg-iph-title {
    font-family:      var(--bkbg-iph-tt-font-family, inherit);
    font-size:        var(--bkbg-iph-tt-font-size-d, 24px);
    font-weight:      var(--bkbg-iph-tt-font-weight, 700);
    font-style:       var(--bkbg-iph-tt-font-style, normal);
    text-decoration:  var(--bkbg-iph-tt-text-decoration, none);
    text-transform:   var(--bkbg-iph-tt-text-transform, none);
    line-height:      var(--bkbg-iph-tt-line-height-d, 1.2);
    letter-spacing:   var(--bkbg-iph-tt-letter-spacing-d, normal);
    word-spacing:     var(--bkbg-iph-tt-word-spacing-d, normal);
    margin: 0 0 18px;
}

/* Controls panel */
.bkbg-iph-controls {
    border-radius: 10px;
    border: 1px solid;
    padding: 18px;
    margin-bottom: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: flex-end;
}

.bkbg-iph-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 110px;
}

.bkbg-iph-label {
    font-size: 12px;
    font-weight: 600;
}

.bkbg-iph-input,
.bkbg-iph-select {
    padding: 7px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.bkbg-iph-input:focus,
.bkbg-iph-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99,102,241,0.12);
}

.bkbg-iph-color-field {
    min-width: 80px;
    flex: 0 0 auto;
}

.bkbg-iph-color-input {
    width: 44px;
    height: 36px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 2px;
    cursor: pointer;
    background: none;
}

/* Presets */
.bkbg-iph-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
}

.bkbg-iph-preset-btn {
    padding: 5px 13px;
    border-radius: 20px;
    border: 2px solid;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

/* Preview area */
.bkbg-iph-preview-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
    min-height: 120px;
    align-items: center;
}

.bkbg-iph-canvas-wrap {
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
    border-radius: 8px;
    overflow: hidden;
    max-width: 100%;
}

.bkbg-iph-canvas-wrap canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Dimensions display */
.bkbg-iph-dims {
    text-align: center;
    font-size: 13px;
    margin-bottom: 14px;
}

/* Theme selector */
.bkbg-iph-theme-row {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.bkbg-iph-theme-btn {
    flex: 1;
    min-width: 80px;
    padding: 8px 10px;
    border-radius: 8px;
    border: 2px solid;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}

/* Actions */
.bkbg-iph-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.bkbg-iph-btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
    border: 2px solid transparent;
    color: #fff;
}

.bkbg-iph-btn:hover { opacity: 0.85; }

.bkbg-iph-btn-outline {
    background: transparent !important;
    color: inherit !important;
}

/* URL display */
.bkbg-iph-url-box {
    margin-top: 14px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 14px;
    display: none;
}

.bkbg-iph-url-box.bkbg-iph-show { display: block; }

.bkbg-iph-url-label {
    font-size: 11px;
    font-weight: 700;
    color: #6b7280;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bkbg-iph-url-text {
    font-family: 'Fira Mono', 'Consolas', monospace;
    font-size: 11px;
    color: #374151;
    word-break: break-all;
    max-height: 60px;
    overflow: auto;
}

@media (max-width: 1024px) {
    .bkbg-iph-title {
        font-size:       var(--bkbg-iph-tt-font-size-t, var(--bkbg-iph-tt-font-size-d, 24px));
        line-height:     var(--bkbg-iph-tt-line-height-t, var(--bkbg-iph-tt-line-height-d, 1.2));
        letter-spacing:  var(--bkbg-iph-tt-letter-spacing-t, var(--bkbg-iph-tt-letter-spacing-d, normal));
        word-spacing:    var(--bkbg-iph-tt-word-spacing-t, var(--bkbg-iph-tt-word-spacing-d, normal));
    }
}

@media (max-width: 767px) {
    .bkbg-iph-title {
        font-size:       var(--bkbg-iph-tt-font-size-m, var(--bkbg-iph-tt-font-size-t, var(--bkbg-iph-tt-font-size-d, 24px)));
        line-height:     var(--bkbg-iph-tt-line-height-m, var(--bkbg-iph-tt-line-height-t, var(--bkbg-iph-tt-line-height-d, 1.2)));
        letter-spacing:  var(--bkbg-iph-tt-letter-spacing-m, var(--bkbg-iph-tt-letter-spacing-t, var(--bkbg-iph-tt-letter-spacing-d, normal)));
        word-spacing:    var(--bkbg-iph-tt-word-spacing-m, var(--bkbg-iph-tt-word-spacing-t, var(--bkbg-iph-tt-word-spacing-d, normal)));
    }
}

@media (max-width: 520px) {
    .bkbg-iph-wrap { padding: 14px; }
    .bkbg-iph-controls { gap: 10px; }
    .bkbg-iph-field { min-width: 100%; }
    .bkbg-iph-actions { flex-direction: column; }
    .bkbg-iph-btn { width: 100%; }
}