.bcs-app {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1f2328;
    box-sizing: border-box;
}
.bcs-app * { box-sizing: border-box; }

.bcs-title {
    font-size: 1.4rem;
    margin: 0 0 16px;
    text-align: center;
}

.bcs-capture-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
@media (max-width: 400px) {
    .bcs-capture-row { grid-template-columns: 1fr; }
}

.bcs-capture-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
}
.bcs-capture-card:active { background: #eef1f4; }

.bcs-capture-label {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
    text-align: center;
}

.bcs-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 10;
    background: #fff;
    border: 1px dashed #b1bac4;
    border-radius: 8px;
    overflow: hidden;
    min-height: 110px;
}
.bcs-preview img { max-width: 100%; max-height: 100%; display: block; }
.bcs-placeholder { color: #6b7280; font-size: 0.9rem; }

.bcs-btn {
    appearance: none;
    border: 1px solid #d0d7de;
    background: #f6f8fa;
    color: #1f2328;
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
}
.bcs-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.bcs-btn-primary {
    background: #1f6feb;
    border-color: #1f6feb;
    color: #fff;
    font-weight: 600;
}
.bcs-btn-primary:active { background: #1858c2; }

.bcs-status {
    margin-top: 12px;
    font-size: 0.9rem;
    min-height: 1.2em;
    text-align: center;
}
.bcs-info  { color: #1f6feb; }
.bcs-error { color: #cf222e; }

.bcs-hint {
    background: #fff8c5;
    border: 1px solid #d4a72c;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin: 0 0 12px;
}

#bcs-form label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4b5563;
}
#bcs-form input,
#bcs-form textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 10px 12px;
    font-size: 1rem;
    font-weight: 400;
    color: #1f2328;
    background: #fff;
    border: 1px solid #d0d7de;
    border-radius: 6px;
}
#bcs-form input:focus,
#bcs-form textarea:focus {
    outline: none;
    border-color: #1f6feb;
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.2);
}

.bcs-raw { margin: 8px 0 14px; font-size: 0.85rem; }
.bcs-raw summary { cursor: pointer; color: #57606a; }
.bcs-raw textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; }

.bcs-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 10px;
    margin-top: 8px;
}

.bcs-done {
    text-align: center;
    padding: 24px 8px;
}
.bcs-ok {
    color: #1a7f37;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 6px;
}
#bcs-done-sr { color: #57606a; margin: 0 0 18px; }