.bbs-container { max-width: 720px; margin: 20px auto; }
.bbs-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.10);
    border: 1px solid #e5e7eb;
}

.bbs-title {
    font-size: 22px;
    margin-bottom: 5px;
    font-weight: 700;
}

.bbs-subtitle {
    margin: 0 0 15px;
    font-size: 13px;
    color: #6b7280;
}

.bbs-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.bbs-btn {
    padding: 10px 18px;
    border-radius: 12px;
    cursor: pointer;
    border: none;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-size: 14px;
}

.bbs-btn span { line-height: 1.2; }
.bbs-btn small { font-size: 11px; opacity: 0.7; }

.bbs-btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
}

.bbs-btn-outline {
    background: #ffffff;
    border: 2px solid #d1d5db;
    color: #111827;
}

.bbs-scanner-area { text-align: center; margin-top: 10px; }

.bbs-scanner-box {
    width: 100%;
    height: 300px;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.bbs-section-title {
    margin: 10px 0;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 4px;
}

.bbs-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.bbs-form label {
    font-size: 13px;
    font-weight: 500;
    color: #374151;
}

.bbs-form input {
    padding: 9px 10px;
    border-radius: 9px;
    border: 1px solid #d1d5db;
    font-size: 14px;
}

.bbs-message {
    margin-top: 15px;
    padding: 10px 12px;
    border-radius: 8px;
    display: none;
    font-size: 13px;
}

.bbs-msg-success {
    background: #d1fae5;
    border-left: 4px solid #10b981;
}

.bbs-msg-error {
    background: #fee2e2;
    border-left: 4px solid #ef4444;
}

.bbs-result-card {
    background: #eff6ff;
    padding: 15px;
    border-radius: 10px;
    margin-top: 15px;
    border: 1px solid #dbeafe;
    font-size: 14px;
}

.bbs-result-card h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.bbs-no-record {
    background: #fff7ed;
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
    border: 1px solid #fed7aa;
    font-size: 14px;
}

@media (max-width: 600px) {
    .bbs-scanner-box { height: 230px; }
    .bbs-btn { flex: 1 1 100%; align-items: center; text-align: center; }
}

/* html5-qrcode defaults */
#qr-reader {
    width: 100% !important;
    max-width: 500px;
    margin: 0 auto;
}

#qr-reader__scan_region video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
}