.tecz-gbp-container {
    max-width: 900px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tecz-gbp-header {
    background: #f8fafc;
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.tecz-gbp-header h3 {
    margin: 0 0 5px 0;
    font-size: 1.25rem;
    color: #1e293b;
}

.tecz-gbp-header p {
    margin: 0;
    font-size: 0.9rem;
    color: #64748b;
}

.tecz-gbp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.tecz-gbp-inputs {
    padding: 20px;
    border-right: 1px solid #e2e8f0;
    background: #ffffff;
}

.tecz-form-group {
    margin-bottom: 18px;
}

.tecz-form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #334155;
}

.tecz-req {
    color: #ef4444;
}

.tecz-form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.95rem;
    color: #0f172a;
    box-sizing: border-box;
}

.tecz-form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.tecz-help-text {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: #64748b;
}

.tecz-gbp-output {
    padding: 20px;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tecz-qr-panel, .tecz-link-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
}

.tecz-gbp-output h4 {
    margin: 0 0 15px 0;
    font-size: 1rem;
    color: #1e293b;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 8px;
}

.tecz-qr-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f1f5f9;
    width: 200px;
    height: 200px;
    margin: 0 auto 15px auto;
    border-radius: 8px;
    border: 1px dashed #cbd5e1;
    overflow: hidden;
}

.tecz-qr-placeholder {
    font-size: 0.85rem;
    color: #94a3b8;
    text-align: center;
    padding: 20px;
}

#tecz-tracked-url {
    width: 100%;
    background: #f8fafc;
    color: #0f172a;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 12px;
    font-family: monospace;
    font-size: 0.85rem;
    resize: none;
    box-sizing: border-box;
    word-break: break-all;
    min-height: 80px;
    margin-bottom: 10px;
}

#tecz-tracked-url:focus {
    outline: none;
    border-color: #3b82f6;
}

.tecz-action-row {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: flex-start;
}

.tecz-btn {
    background: #3b82f6;
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.tecz-btn:hover:not(:disabled) {
    background: #2563eb;
}

.tecz-btn:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

.tecz-btn-primary {
    width: 100%;
    padding: 10px;
    font-size: 0.95rem;
}

.tecz-copy-msg {
    color: #10b981;
    font-size: 0.85rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .tecz-gbp-grid {
        grid-template-columns: 1fr;
    }
    .tecz-gbp-inputs {
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
}